Of the three, ultrasound is the most reliable. The piping attached to the steam discharge flange must also be built to withstand the MAWP that the boiler can generate. The current-state map enables everyone involved in the value stream to visualize a shared understanding of how each step in the process delivers value to the customer, including the material and information, and identify areas of improvement. (14 kg. First, we will discuss the various valve types, their common uses, and the governing standards. Got a little lost on the last one but found it. The locations of all the valves are below, which are always on groups of three blue pipes running along the walls of buildings: It is often more cost effective to establish a routine steam trap audit. • 10 days ago. Steam traps can either be defined as continuous (or modulating continuous) flow and “on-off” (hold-discharge-hold) types. When inspecting steam traps with ultrasound, it is important to exercise patience. It’s a clear tube with valves located above and below it. Achievements. 3, and 2. Continual repair and. The testing of steam traps is the only way to insure proper operation. Understanding the 4 Value-Stream Map Zones. All traps should be tagged and After completing Steam Valve Inspection, Holly will ask for your help again. CSA temperature steam rating for relief valves is used under. Minimum inspection intervals for pressure systems are listed in . Then it is followed by more testing. Testing of a pressure relief device to determine its operating characteristics including measured relieving capacity. 7. Steam traps can either be defined as continuous (modulating continuous) flow and “on-off” (hold-discharge-hold). Holly asks you to check eight valves in the quest area. Variance of set pressure is allowed, i. Risk exposures associated with untimely or improper steam turbine valve maintenance include: Check for valve stem showing signs of weeping around the gland. js file to the config directory and stop. 2. number of turns from the table in Step 11 based on the valve size as found on the map. VALVE INSPECTION, EXERCISING, AND MAINTENANCE SOP SOP #331 Rev: 0. Check out our video: Full-Service. The game is a remaster of Counter-Strike: Global Offensive with new graphics,. 1 times the maximum allowable pressure. Explore. Tools required: The first step is to remove the top and side panels. 1. Concerning valve exercising, Table 11. In the category of improper workmanship, the first that comes to mind is the overall. 5. Safety procedures are being followed c. This eBook covers valves and their role in the overall mechanical integrity process. Our newest APIs relay packets through the Valve network by default, which ensures that players and gameservers are protected. In the category of improper workmanship, the first that comes to mind is the overall. 7) Swing out the burner and let the furnace be ventilated. Ensure PPE is being used b. The new free Portal 2 update titled "Perpetual Testing Initiative" is now available on Steam! The "Perpetual Testing Initiative" allows players to easily create, share, and play Portal 2 puzzles. Valve has released a big 25th anniversary update for Half-Life. Tools for Testing Traps. 2 The applicant shall repair and submit for verificationtesting one (1) valve. F. . Some of the liberated material had traveled downstream to the steam turbine. valve, make sure there is a pressure gage or tell-tale installed. All steam tracer shall have a separate ½” NPS Lead and Tail block valve take off from the manifolds, irrespective of tracer size. Water hammer can develop in neglected or. STANDARD QUALITY ASSURANCE CERTIFICATION. Description. With 11. 2. 2. Pneumatic testing: reduces the pressure to the design pressure (or as specified in Pressure Test Plan) before proceeding with the inspection; holds the pressure for a sufficient period of time to permit inspection of the system . C. Other pressure relief valves may be set as high as 105% of the vessel’sBaker Hughes’s Consolidated safety valves can help you run your operations smoothly and cost effectively. This is a complete playthrough of the Final Fantasy XV Optional Side Quest "Steam Valve Inspection". Lake Turbine Generator Maintenance (TGM) was contracted by an industrial customer in the United States to perform a valve and bearing inspection on their General Electric (GE) condensing steam turbine and hydrogen-cooled generator. Large inventory of valve cores. Inspectors can choose from simple analog instruments to sophisticated digital instruments with on-board. The employer shall obtain a written or oral determination from a responsible vessel's representative, a contractor, or any other person who is. 1. The ever-evolving Valve Steam Deck is a Linux-based handheld that lets you take your Steam library on the go, run an impressive number of Windows games, and easily connect the. Malfunctioning steam traps are wasting energy and weakening production. The primary mission is to promote public safety. All attires and flame grenades, 99 heal items and CPUs, all snowmobile upgrades, full archive and full map opened. [CGD 81–79, 50 FR 9435, Mar. All rights reserved. A good map is tested, tested, and tested some more. 5. Open drain cock until soot blow pipe drain clear. Flash steam disturbance does not impede accuracy,. See Section IV HG-701; Safety valves and safety relief valves shall be installed with their spindles vertical. But visual is a fast and easy method for testing steam traps, and anyone with a little training can accomplish testing steam traps. Baker Hughes’s Consolidated safety valves are known for. At the beginning, the mass flow and pressure of the inlet steam are higher than the other moments, and the values are 35 kg⋅s −1 and 11 MPa,. Holly asks you to check eight valves in the quest area. Ultrasound for valve testing ensures valves are opening and closing as intended. The setting of the relief valve or safety valve will be considered as establishing the maximum allowable working pres-sure of the system. Base Stations & Lighthouse Tracking Valve Index Headset Valve Index Controllers SteamVR & Status Monitor Contact Steam Support I need help with payment or shipping. The game is. 5. system. Valve has released a big 25th anniversary update for Half-Life. Whether the relief valve is on your Rental Boiler or on an existing system, Relief Valves are the last defense in keeping your Steam System safe. 6 Vibration of high-pressure bypass control valve. Preventing Steam/Condensate System Accidents. this reason, before inspection begins, a map or some diagram of the location of all the steam traps and valves in a facility should be available. The valve automatically closes to prevent backflow of steam to the boiler. Steam traps can either be defined as continuous (modulating continuous) flow and “on-off” (hold-discharge-hold). Speed up the game and wait for traffic to arrive. IN 88-51 July 21, 1988 Page 2 of 3 The licensee developed a series of tests to evaluate possible root causes of the problems observed regarding failure of the MSIVs to fully close. I made a second version of this video because it came to my attention that the first video. This may also be labeled SWP, which stands for steam working pressure. Initial inspection revealed numerous deficiencies that needed to be remedied. June 14, 2016 / in Steam Turbine Tips /. # 0. Reach chapter 8. They are built with many features that meet ASME requirements for steam-compressible fluids. Reach out to the experts at Rasmussen Mechanical Services and ensure your facility is safe. There is only a single Steam Valve that isn't shown on my compass; it's the one that is right in front of me in the screenshot above. Before testing, Set pressure needs to be determined by the pressure safety valve. 10 slots = best option. flow to open steam valve Spring notch marking psi bar kg/cm2 g/min l/min ½" High Y 100 - 150 7. The Steam Trap Inspection course will help your company reduce downtime, save money, time, and improve safety conditions. Bottom blow-off and drain valve. What you're looking for are sets of blue. We perform various steam turbine valve component inspections for steam turbines all across the country. For completing the Steam Valve Inspection side-quest you will receive the rewards below. This wear leads to valve leaks, which reduce efficiency and increase costs and stack emissions. UE Systems’ Ultraprobe series helps an inspector readily identify the trap operation in all types of environments. r/FFXV. Control Valve Handbook - Fisher is a comprehensive guide to the design, selection, operation and maintenance of control valves. Tip the steam valves are specialized important to check regularly. It covers the fundamentals of valve and actuator types, applications, standards and best practices. The first test medium was air and tests were repeated for each valve using steam, water and oil. Additionally, you. Outage consisted of High Pressure/Intermediate Pressure (HP/IP) turbine section major inspection, HP control valves #3 and #4 inspection, and the left-side combined reheat valve, as well as the Ventilator valve and Blowdown valve. Fiberglass Fabrications & Field Service Repairs. Fri, November 17, 2023, 2:19 PM EST · 4 min read. RSS. 8, 1985, as amended by USCG–2003–16630, 73 FR 65163, Oct. It also includes some new multiplayer models and skins, including proto-Barney and the original design for Gordon Freeman,. 6. You kinda just gotta hope they listen to the community and add features and bug fixes as updates come out. Proper set pressure - one or more pressure relief valves must be set at or below the vessel’s maximum allowable working pressure. Asset preservation program using data analytics to drive steam-turbine maintenance. In this collection you will find most of the maps within the Garry's Mod workshop made by other people. The Initiative comes with a simplified puzzle maker that allows that creation of mind-bending puzzles without ever leaving the game. At Assured Automation, we have been providing automated and manual valves for steam control for over 25 years! Our offering of steam valves includes fast acting, high-cycle life, on/off valves, electric and pneumatically actuated modulating steam control valves, 2 & 3-way ball valves, and butterfly valves. Consider the following NBIC recommendations on the frequency for testing relief valves: High-pressure steam boilers greater than 15 psi and less than 400 psi – perform manual check every six months and pressure test annually to verify nameplate set pressure. Search in Steam Theory. Thus far, some cracks were discovered on another unit at the sameFailure of a main-steam control valve to shut on a turbine trip. Announced on March 22, it was planned to be released around Summer 2023, but later it was delayed to September 27, 2023. A check valve is a type of valve that allows fluids to flow in one direction but closes automatically to prevent flow in the opposite direction (backflow). 880. Tag: screenshotmap_crashz_v3 screenshotmap_crashz_v2 screenshot map crashz v4 crashz viewmodel generator crosshair generator Popular Discussions View All (28) 47If the valve is fully open, the target will be fully open . 3 and 2. Turn the handle and allow the valve stem and disc to move down. Once done, talk to Holly and she will ask you to inspect the Pylons for her. MECHANICAL INTEGRITY: FIXED EQUIPMENT STANDARDS & RECOMMENDED. Gameplay of the Quest Steam Valve Inspection in Final Fantasy XV. 1. Table 1Neil Bolt. 2). Part 3: Testing Traps using Sound. UE Systems’ Ultraprobe series helps an inspector. RS_Games • 1 yr. Slips and falls. Steam valve internal leakage testing. During these 4 modules, you will learn about the basics of steam production and distribution, different types of steam traps, steam trap and valve testing and inspection, and reporting using real-world data and information. Review. Pneumatic steam valve actuatorsand electric actuators kinds are the most prevalent in industrial process control loops. Visual methods. Ultrasound for valve testing ensures valves are. Part 3: Testing Traps using Sound. Systems may include (1) Flue gas economizers for each boiler and (2) Continuous blowoff heat recovery and (3) Co-generation Figure 5: Testing bypass valves CONTROL VALVES The following are ways to test a control valve: • Check the steam control valve for leakage • Determine the breakaway point or flow on a steam control valve at its opening. They’re for use with water, oil, air, and inert gas. Steam Valve Inspection in Final Fantasy XV. 5. API 598 Valve Inspection and Testing. Class IV or higher shutoff standard 4. Steam valves are used in piping systems carrying hot water vapor or steam. Game Guide - Steam Valve Inspection is also the first quest in Holly’s questline which includes a series of three missions you have to complete. half life 25th anniversary update. The valves are also used to isolate the sight glass during inspection and. Conceptual illustration of Pragma’s Downhole Steam Injection Valve. After completing the Main Story Quest "A. 1 Safety Design Basis The main steam supply system safety design bases are as follows: • The system is provided with a main steam isolation valve (MSIV) and associated MSIVCommon piping components, valve types, pipe joining methods, inspection planning processes, inspection intervals and techniques, and types of records are. Welcome this afternoon. . Power-Operated Valve Sample,” and Appendix C of this procedure, “Power-Operated Valve Inspection Capability Information,” provide additional guidance for the performance of this inspection. 013. Ensure the draft fan is operating and close the safety shut-off valves. 16. 1 Provide heat recovery devices when they can be justified by a life cycle cost analysis. S. Carbonic acid will deteriorate all the metal it comes in contact with. The primary function of the control valves is to control steam flow to the turbine in response to the turbine control system. 21N. This eBook covers valves and their role in the overall mechanical integrity process. Join. 2. They can easily be wire-drawn. It was found that the peak frequency under certain conditions leads to resonance with the cage. The first. Monday, May 4, 2020. Valve in steam loads one at a time to ensure each load has good steam flow. After completing the Main Story Quest "A precious Source. 11909 Cutten Rd. Open drain valve. Steam turbine valves are the most essential components of modern steam turbines from an operation, performance, reliability and safety aspects of a modern power plant. Table 3-2 ASNE Code Section XI Valve Testing FSAR Valve Valve Applicable ASIE Valve Test Request System Number No. The ASME BPVC Certification Program conforms to the rules governing the design, fabrication, assembly, and inspection of boiler and pressure vessel components during construction. Safety and relief valves are normally tested after major repairs or overhaul. An internal boiler waterside inspection consists of all waterside areas of the vessel (e. Superheat and saturated steam relief valves. Some of the liberated material had traveled downstream to the steam turbine. 1st Edition | October 2015. 501D5. Required Steam Pressures If the plant’s steam pressures are too high for the tracing application, then the plant will need to add aField Service and Installation. The test duration is 15 seconds for valve less than 2 inch, 60 seconds for valves greater than 2 inch The valve packing gland shall be closely inspected while it is under backseat test pressure. if no discharge line shutoff valve is used. 45 cracked due to resonant vibrations. Select the class and type of item you wish to equip. The existing Technical Specifications require. Here’s a step-by-step breakdown of the process: Make sure that the steam to the jacket is off. 2 The inspection requirements pertain to examinations and testing by the valve manufacturer and any supplementary examinations that the purchaser may require at the valve manufacturer’s plant. For this reason, before inspection begins, a map or some diagram of the location of all the steam traps and valves in a facility should be available. This valve would have a stamped set pressure of 500 psig and a CDTP of. A map for testing stuff from weapons to cars Color code for zombie health and damage _____ Masks colour tells the attack Shirt for the health Pants and other stuff dose not matter Color code _____ Green = Low Stats Yellow/Nothing = Normal Stats Red = Hight Stats (Not Used)9. Final Fantasy 15 ★ Played On Difficulty Level: Normal ★ Walkthrough ★ Recorded on PS4. F. A brief discussion of the various testing methods follows, in addition to a diagram of a safety valve test stand (’’‘Figure. 2000 EXP, 2500 Gil. Gameplay of the Quest Steam Valve Inspection in Final Fantasy XV. 1 Design Basis 10. com. As part of any predictive maintenance routine, knowledge of the system is critical. Kunkle, Consolidated, Dresser and more brands. With an empty mods folder I added the FS Miner pack for Jan 23, added latest Terafarm mod from github, created new Silver Run map - a base game mod shows the Terafarm menus but the FS Miner mods do not. Sections. See B31. The three methods, visual, temperature, and the use of high-frequency ultrasound. Verify valve is not mechanically damaged . 5. steam heated machines—a laundry press, for example. The solution also may require changes to current industry inspection, operating, and maintenance procedures. After hours, weekends, or holidays, please call Wisconsin Emergency Management after-hours incident reporting at 1. Classroom lead instruction is combined with practical learning in the field. Lessons learned during a D11 minor outage. Differential set pressure = 500 psig – 25 psig = 475 psig. Maps made by Alexandrovich for LFS-LVS-WAC plane testing. INSPECTION & MAINTENANCE. STEAMCO OVERVIEW Steamco manufactures cast steel steam valves for boilers, geothermal applications, power plants and general steam applications. Relief valves and devices Relief valves/devices are required on pressure vessels, including evaporators and heat exchangers. Posted by admin. 5. We offer full-service, one-stop valve repair, and upgrade. Test Example 1 . Differential set pressure = 500 psig – 25 psig = 475 psig. Construction Codes. Recommended locations are given in Fig. Identification. Main ne AO 2-80B 80-B Main Steam Isolation 1 A Q Full Stroke-Time 28 Main Steam AO 2-80C 80-C Main Steam Isolation 1 A Q Full Stroke-Time 28 Main Steam AO. RSS. Along with four new multiplayer maps, there's widescreen support and much more. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control. It also supports ordinary UDP connectivity. The NDE method, technique, and location of application is taken from the industry standards and agreed between the manufacturer and customer. Make contact at the discharge orifice of the trap and wait for it to cycle. 550x550 - Ff series (mark free and flat vacuum suction cups). Steam Workshop: Portal 2. Main Page; All Pages; Interactive Maps; navigation. Steam and Valve mod support is. So, the information flow is in the first row or line. 8061the safe construction, installation, inspection, alteration, and repair of boilers and pressure vessels. Information to be field-verified and documented on the work order include: Valve ID number Map grid/page number Street Cross street Address GPS position (if applicable) Safety valves and safety relief valves shall be located in the top or side of the boiler. About our Steam Valves. Final Fantasy XV (15) Steam Valve Locations, Steam Valve Inspection - YouTube. The testing duration lasts 15 seconds for a valve that’s less than 2 inches and for valves more than 2 inches, it lasts 60 seconds. 4 and 2. Press the "Load Test Map" button to enter the game in itemtest mode. August 6, 2013 - ISA. VR Stamp. Pull the image from docker and mount the config directory. Description Code Class Category Frequency Test For Relief. Views: 571. Steam Trap Visual Testing Method 2 •Fast/easy method •Anyone with a little training can accomplish testing steam traps •Negatives; •Higher initial installation cost One of the three ways to test steam trap stations ‐Visual ‐Temperature ‐High Frequency UltrasoundValve doesn't release more specific sales figures, but its monthly hardware survey suggests fewer than 1% of Steam users play via Steam Deck. gov. If there is any pressure showing on the gage, this means the disk has burst and must replaced. Contact the Boiler Section: Phone: 517-241-9334. g. 2. determining the breakaway point or flow on a steam control valve at its opening. The on-line lift pressure was determined using OLSPV at internal pressures of. 1 Provide heat recovery devices when they can be justified by a life cycle cost analysis. I will say the IGN coverage is pretty good. B. 31, 2008] §53. 1. time to permit an inspection to be made of all joints and connections. Greater unit reliability and availability can be achieved through proper routine valve maintenance. The original scope of work for these valves was to disassemble, clean, dimensionally inspect,. Valves are manufactured in ASME class 150, 300, 600, 900, 1500 as well as AS and BS table D to H and PN 2. Trade in your valve. 06 Valve Testing . Summary Table: Testing Traps Visually and by Sound. Enlarging the map will do the trick for almost any of those search quests, so if there’s any others you’re looking for just check there. Final Fantasy XV Wiki. 15. CS2 is based on Valve’s Source 2 engine and includes updates to some of the game’s. 013 = 481 psig. I'm sure it isn't the only way of doing it, but it's the way I do it. Metal Seat: Inconel, Stainless Steel. (28) “Labeled” means devices, equipment, appliances, or material to which have been affixed a label, seal, symbol, or other identifying mark of a nationally recognized testingSteam Valve Inspection - Lestallum. In multiple boiler installations, the design rules typically apply to all piping through the second stop valve from the discharge flange of the boiler and are governed by ASME Code Section I and B31. Unions should be at right angles – not inline – to facilitate trap removal. BOILER – a closed vessel in which water or another liquid is heated, steam or vapor is generated, steam or vapor is superheated, or any combination thereof, under pressure or vacuum, for use external to itself, by the directSimply install the update and CS2 will replace CS:GO. Head to each area and look for the structure hanging. All tap tracers shall have a separate 3/4” NPS open block valve at steam and condensate headers and a ½” Lead and Tail block valves near the process line, irrespective of tracer size. Portal 2 Authoring Tools comes with a sdk_content folder, that shows source map files of a very few maps for Singleplayer and Coop. Ultrasonics is a viable alternative inspection method to use. b. “Main Steam Isolation Valve Failure,” dated November 29, 2012, submitted by Southern Nuclear Operating. Friday, June 12, 2020. First Available: Chapter 8 Other Requirements: Complete Chapter 7 of the game's story Location: Lestallum Rewards: 2,000 EXP & 2,500 EXP This quest is the first in a chain of quests that becomes available when you complete Chapter 7 of the game's main story; speak with Holly (pictured above) to start it. First, we will discuss the various valve types, their common uses, and the governing standards and recommended practices that apply. Gameplay of the Quest Steam Valve Inspection in Final Fantasy XV. VPAC II™ Through-Valve Leak Inspection, Detection, and Quantification. map 1 a small 100x100 flat green field, nice for testing melee troops. Boiler relief valves serve the same purpose – automatically lowering boiler pressure – but they function a bit differently than safety valves. I made a second version of this video because it came to my attention that the first video. CG-63 shows three possible locations for external check valves— Armstrong inverted bucket traps are available with internal check valves, while disc traps act as their own check valve. 2-MS- 12'3 Valve Serial No. These valves are discussed in detail in lesson 62B-206. Fax: 517-241-0130. Steam turbine valves are the most important components before a steam turbine for the admission and control of steam flow. 4 and 2. Relief Valve inspection and testing equipment calibration;It's 6% for steam systems governed by ASME, Section I, Power Boiler Code. _____ Ensure all valves and sensors are installed in the steam piping. OVERHAUL VALVES. Click the add button on the headgear row. Figure 2: Careful visual inspection is worth the extra time because it can help quickly identify valve issues. It includes four new multiplayer maps, updated graphics settings, and fully verified Steam Deck support. Bad steam traps are surprisingly common, roughly 30% of the traps in a plant with no trap testing programs will be leaking! Use an AccuTrak ® Ultrasonic Leak Detector to quickly hear internal flow through steam traps and valves. Subscribe to Premium to Remove Ads. Measure packing gland plate for proper alignment and look for signs of. Steam traps are automatic valves designed to discharge condensate (and vent air) without losing steam. Reward: 2,000 EXP, 2,500 Gil. a. Current designs are pushing the operational envelope and it is not uncommon for large ultracritical plants to run on pressures exceeding 4500 psi and 1200 °F. This map uses the valve dev texture and some other textures that should already be installed on Garry's Mod. Open steam valve & carried out by turning wheel 20 -30 sec. function of the main stop valves is to quickly shut off the steam flow to the turbine under emergency conditions. Detailed testing and operational inspection guidelines can be found in the National Board Inspection Code, Part 2 2. Unlock Condition: Reach Chapter 8. UE Systems’ Ultraprobe series helps an inspector readily identify the trap operation in all types of environments. Items (11) [INFMAP] 1:1 Hawaii Islands. Low-water cutoff 3. Docker. Summary: The following article is a part of National Board Classic Series, and it was published in the National Board. Check. 18, 1995] §61. Steam turbine valves are the most important components before a steam turbine for the admission and control of steam flow. _____ Ensure there is a boiler sample valve installed. Part 2: Testing Traps using Temperature. INCREASE: Outage Intervals, Reliability, Availability, and Productivity. Check Valves: Flanged, Lug, Wafer and Butt-welding. It retains the same controller layout, ergonomic handgrips and port placement. Steam Networking. The most common valve design standard for the past 50 years has been the American Petroleum Institute (API) valve standard for refinery use, known today as API 600, “Bolted Bonnet Steel Gate Valves for Petroleum & Natural Gas Industries. Tools for Testing Traps. To do this, press the "Steam Workshop" button in the main Team Fortress 2 menu. API 527 Seat Tightness of Pressure Relief Valves. 1. 3. Attach the wheel handle and nut, and screw it tight. About. : - g S9 7' Valve inspection (circle result and describe discrepancy if any): 1 UNSAT * Leakage (check drip pan) * Damaged parts * Abnormal condition Check M- below method used to verify valve set pressure: ( In-line test (hydraulic assist lift test) A Backwoods Burial • A Better Absorb Shield • A Better Auto Crossbow • A Better Bioblaster • A Better Circular Saw • A Better Drain Lance II • A Better Drillbreaker • A Better Engine Blade • A Better Engine Blade II • A Better Engine Blade III • A Better Force Stealer • A Better Gravity Well • A Better Noiseblaster • A Better Pair of Plunderers • A Better Valiant. Half-Life came out 25 years ago tomorrow and to celebrate Valve ahve released an anniversary update. Our unique ‘J’ tube design allows for a free flow of gas or water from the source to the SRV being tested providing a cushion of air under the SRV seat to prevent seat damage. 5. Malfunctioning steam traps are wasting energy and weakening production. When the software detects a cheat on a player's system, it will ban them in the future, possibly days or weeks after the original detection. Steam pressure-gauge 6. Steam valves; Ultrasonic steam trap testing is the final test method to be used in the steam trap testing program for detecting faulty steam traps. It includes four new multiplayer maps, updated graphics settings, and fully verified Steam Deck support. TRIVACO. Sep 27 @ 11:19am. Side Quest: Steam Valve Inspectio. 3. When the valve closes, the steam valve seat blocks the passage. ??? What do I have to do to get the FS Miner mods working in Terafarm mode? (testing with CAT D6K and Komatsu grader). Today’s thermal power plants for drum or once-through type supercritical. Part 3: Testing Traps using Sound. Fig. 1. atmospheric relief valves or spring-loaded main steam safety valves when either the turbine-generator or condenser is unavailable. Steam trap monitoring systems. Now, using a 17mm wrench, remove the nut affixing the copper pipe to the steam valve. A valve is required to open at 500 psig inservice where the service temperature is 400° F, and back pressure = 25 psig. Sizes from 1″ NPT to 8″ 600# flanged. . But visual is a. 013 = 481 psig. The valve seat determines whether steam can flow or not. Once you've located all 8 of the Steam Valves return to Holly to turn in the quest.