Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: hsbcn
  • Content: Threads
  • Order by date
  1. hsbcn

    Comparing 2.4660 (Alloy 20) vs 1.4361 (Uranus S1) for 98% Nitric Acid HNO3

    This is for the wetted parts of a swing check valve to be used in 98% Nitric Acid. We're looking to compare the performance of Alloy 20 vs Uranus S1 at different temperatures of 98% nitric acid. Can someone shed some light on this issue? Screenshots/PDFs and the like would be really...
  2. hsbcn

    Wetted parts for check valve 80%-98% nitric acid application: alloy 20.

    Our customer is looking to substitute the wetted parts of some swing check valves, currently in 316L. For obvious reasons, the 80%-98% nitric acid solution at 20ºC is making the 316L is melt away like butter on toasted bread. We're looking to substitute these parts with UNS N08020 (Alloy 20)...
  3. hsbcn

    Knife gate valve 4" to MSS-SP-81 -- leakage issue

    Hi there, team: We're having some issues with a metal seated knife gate valve 4" 150# made to MSS-SP-81 standards. Our customer indicates that the valve is leaking; they're operating the valve with steam. Please see the attached video. The valve has been tested successfully at 3.75bar...
  4. hsbcn

    Looking for a Chinese valve manufacturer, short deliveries

    Hi everyone: I'm looking for a Chinese valve manufacturer that can make gate, globe, check, ball and butterfly valves from bar stock on truly short deliveries, like 10 days. To make it a tad bit more difficult, only interested in duplex, super duplex, inconel, monel, incoloy, hastelloy...
  5. hsbcn

    Incoloy butterfly valves

    Hi everyone: We're looking for a Western manufacturer to purchase the following: 2 units, DN50 Butterfly valves, flangeless 18barg, Incoloy 800 body and disc Operating tempr. 530 to 800 degree Centigrade Pressure Rating : ANSI CLASS 300 F to F Dimension : 45.5 mm The face-to-face...
  6. hsbcn

    Silicon content 0,2% instead of 0,1% in Hastelloy B3 (N10675) material

    Hi everyone: We ordered some globe valves in Hastelloy B3 material that is supposed to conform to the N10675 norm. We had an independent lab check the material. The chemical analysis of the required elements came back fine, except for silicon content. Allowed silicon content is 0,1% and the...

Part and Inventory Search

Back
Top