Description
TRIPLE DUTY VALVES
Model ‘125TDFI’
Available in sizes 2″ to 12″ with ANSI 125# FF flanged ends
RATINGS
Maximum Allowable Working Pressure: 200 PSIG @ 150°F
Maximum Allowable Working Temperature:
250°F (EPDM seal)
400°F (Viton seal)
Materials of Construction:
Valve Body: A126-B Cast Iron
Valve Disc: A536 Nickel Plated Ductile Iron
Valve Stem: 410 Stainless Steel
Valve Stem Guide: A536 Ductile Iron
Packing: Non-Asbestos Fiber
Packing Gland: A126-B Cast Iron
Spring: 300 series Stainless Steel
Valve Seat Ring: A536 Nickel Plated Ductile Iron
Valve Seat Seal: EPDM O-Ring (Viton Optional)
Valve Disc Seat: EPDM O-Ring (Viton Optional)
FEATURES
● Acts as three valves in one. On a pump discharge, a triple duty valve replaces the need for a balancing valve, shut-off valve and a check valve
● 125# ANSI flat face flanged ends in accordance with ASME B16.1
● To prevent water hammer, the triple duty valve is spring loaded to ensure that the disc closes as the line flow approaches zero
● 1/4 psi cracking pressure
● The rising stem allows for adjustment from zero to full flow
● EPDM seat seal supplied as standard
● Bubble-tight shut-off
● Valve position indicator
● All sizes supplied with valve hand-wheel operator
● Tapped and plugged drain and differential connections