125TDFI Series - PRODUCT DATA BULLETIN

Model '125TDFI'

Available in sizes 2" to 12" with ANSI 125# FF flanged ends for maximum operating pressures as follows:
PMO: (Maximum Operating Pressure)
200 psi @ 150 deg. F.

Materials of Construction:

  • Body: Cast Iron
  • Disc: Bronze
  • Stem: Stainless Steel
  • Seat Ring: Nickel Plated Ductile Iron
  • Seat Seal: EPDM O-Ring (Viton Optional)
  • Disc Seat: EPDM O-Ring (Viton Optional)
Features:
  • Acts as three valves in one. On a pump discharge, the triple duty valve eliminates the need for a separate balancing valve, shut-off valve and check valve.
  • These valves are designed for vertical upward or horizontal flow patterns.
Unit of Measure
Items
Cast Iron Triple Duty Valve

Cast Iron Triple Duty Valve

Cast Iron Triple Duty Valve

Cast Iron Triple Duty Valve

Cast Iron Triple Duty Valve

Cast Iron Triple Duty Valve

Cast Iron Triple Duty Valve

Cast Iron Triple Duty Valve

Cast Iron Triple Duty Valve

Cast Iron Triple Duty Valve
Size N/A 50 mm2 in N/A 65 mm2 1/2 in N/A 80 mm3 in N/A 100 mm4 in N/A 125 mm5 in
A N/A 213 mm8 3/8 in N/A 248 mm9 7/8 in N/A 250 mm10 in N/A 368 mm14 1/2 in N/A 406 mm16 in
B N/A 244 mm9 5/8 in N/A 250 mm10 in N/A 257 mm10 1/8 in N/A 321 mm12 5/8 in N/A 416 mm16 3/8 in
C N/A 159 mm6 1/4 in N/A 159 mm6 1/4 in N/A 238 mm9 3/8 in N/A 238 mm9 3/8 in N/A 279 mm11 in
D (NPT) N/A 15 mm1/2 in
E (NPT) N/A 8 mm1/4 in
Flow Coefficient Cv1 N/A 82 N/A 128 N/A 188 N/A 334 N/A 528
Weight N/A 75 kg34 lb N/A 88 kg40 lb N/A 110 kg50 lb N/A 200 kg100 lb N/A 342 kg155 lb
Maximum Allowable Working Pressure N/A 200 psig at 150 ºF
Maximum Allowable Working Temperature at EPDM Seal N/A 250 ºF
Maximum Allowable Working Temperature at Viton Seal N/A 400 ºF
Valve Body Material N/A A126-B Cast Iron
Valve Disc Material N/A B62 Bronze
Valve Stem Material N/A 410 Stainless Steel
Valve Stem Guide Material N/A A536 Ductile Iron
Packing Material N/A Non-Asbestos Fiber
Packing Gland Material N/A A126-B Cast Iron
Spring Material N/A 300 series Stainless Steel
Valve Seat Ring Material N/A A536 Nickel Plated Ductile Iron
Valve Seat Seal Material N/A EPDM O-Ring (Viton Optional)
Valve Disc Seat Material N/A EPDM O-Ring (Viton Optional)
  • 1 Cv is defined as the gallon per minute of water that will flow through a given valve opening with a pressure drop of one (1) psi.