STL 21 & STL 6
STL 21 & STL 6
(OP)
My client requires gate valve with trim 5 (STL 21). Their specs mentions wedge, stem & trim as HARDFACED(STELLITED 21). My supplier is offering wedge in STL 21 but he is offering stem in F6a. Could any one inform if F6a is better than STL 21.





RE: STL 21 & STL 6
Corrosion resistant, exotic alloy valves from The Alloy Valve Stockist in Barcelona, Spain http://alloy-valves.com
RE: STL 21 & STL 6