Search results for query: *

Is there any restriction in using XM-19 as Valve Steam material in Urea contaminated steam service

For a Gate Valve Customer asking A182 F316L Stem material instead of A479 XM-19, I want to know if there is any disadvantage in using XM-19 over 316L in process & power industry please,

When Stem flows thru a 2" Class2500 F22 Globe valve at 550°C, how do i calculate temperature at Stem, Packing & Hand wheel.

thread408-445393 Could anybody advice how B148 UNSC95400 is superior than A582 Grade416 for Yoke Bush please

Stem material used A479Ty.410Cond.2/ A182GrF6aCl.3 due to higher yield strength, but customer wants only F6a Cl.2, what could be the reason please, Gate & Globe Valves

Could anybody share information on Needle valve design please

How to calculate please, 1. Pressure drop if operating pressure 55.2 bara & temperature 600°C, flow rate 1.166 Kg/S, Cv 9.5 USGPM & bore 19mm 2. Pressure drop if operating pressure 259.6 bara & temperature 599°C, flow rate 1.131 Kg/S, Cv 10.5 USGPM & bore 25mm 3. Noise

Inconel X750 & X650, Which is the best out of two material for Spring used in Lift Check Valve, please

Please advice/recommend how to select drain valves, any article/book available there to learn

Customer requirement 1"Cl.2500 T-Globe BWE Sch.XXS, can we reduce valve flow bore from 19.1 to 14mm for achieving BWE ID. Is it acceptable as per ASME B16.34

Class 1500 Example: A182 Gr.F316L 206.8 bar, A351 Gr.CF3M 248.2 bar As per ASME B16.34 at 38°C working pressures are different, Why

Could anybody help me in selecting good Drain Valves for thermal power plant.

Is Aluminum Bronze superior than ASTM A582 Grade416 for high temperature, which is the best material for Yoke Bush, Yoke Bush used in Globe valve to transfer Hand wheel rotary motion to Stem raising during opening. Could anybody share your experience.

Hand wheel operated Rising Stem Globe not rotating, when checked Stem got locked with Yoke Bush. Material Stem ASTM A410 Type 410, Yoke Bush A582 Type 416 Will it be due to dust entry into Stem thread. Will it be due to thread damage due to excess torque Will it be due to differential expansion...

If the fluid medium is molten Lead, which valve should we use, can we suggest Y-Globe F22 Trim-5 valve please

1" Cl.1500 Flanged Globe valve with RTJ bolted cover,due to space constrains Hex cap screw was used,is it ok or should i change to Stud with 2 nut at joint

For IBR screwed[NPT] valves A105N Cl.600,Should we advice customer to change valve ends to Socket/BWE instead of threaded ends please

Customer [Thermal power] had provided Minimum Seismic coefficient 0.28g horizontal & 1.0g vertical & how to check structural integrity of 2” Globe & Check valve when subjected to Seismic force please,

Customer complaint Actuator operated Globe Valve Stem bend, so I had requested customer to provide Service media, Actual & Max operating pressure/ temperature, Photos of valve & actuator from site, could anybody guide me in finding out reason of failure please.

Customer requirement 3.2/2.1 mm Stellite#6 deposition [HF], F22 Body material, Class 1500, application 300 Mw power plant, as per API 600 1.6 mm & API 602 1 mm min.HF thickness, is there any standard for power valve to check minimum HF requirement on integral Seat for Globe valve.