What o-ring materials are available?

Buna comes standard with carbon steel flanges & Viton comes standard with stainless steel. Click here for o-ring size chart. (Requires Acrobat Reader)

What are the standard seats and seals for carbon and stainless steel valves?

High pressure carbon steel valves come with POM seats and Buna-N o-rings standard. High pressure stainless steel valves come with POM seats and Viton o-rings standard. 1000 & 2000 WOG valves have PTFE ball and stem seats.