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 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.
Cast Iron Triple Duty Valve
Cast Iron Triple Duty Valve - Dimensions
Unit of Measure
1 

Item Number

Size

A

B

C

D (NPT)

E (NPT)

Flow Coefficient Cv

125TDFI-2 N/A 50 mm2 in N/A 213 mm8 3/8 in N/A 244 mm9 5/8 in N/A 159 mm6 1/4 in N/A 15 mm1/2 in N/A 8 mm1/4 in N/A 82
125TDFI-2 1/2 N/A 65 mm2 1/2 in N/A 248 mm9 7/8 in N/A 250 mm10 in N/A 159 mm6 1/4 in N/A 15 mm1/2 in N/A 8 mm1/4 in N/A 128
125TDFI-3 N/A 80 mm3 in N/A 250 mm10 in N/A 257 mm10 1/8 in N/A 238 mm9 3/8 in N/A 15 mm1/2 in N/A 8 mm1/4 in N/A 188
125TDFI-4 N/A 100 mm4 in N/A 368 mm14 1/2 in N/A 321 mm12 5/8 in N/A 238 mm9 3/8 in N/A 15 mm1/2 in N/A 8 mm1/4 in N/A 334
125TDFI-5 N/A 125 mm5 in N/A 406 mm16 in N/A 416 mm16 3/8 in N/A 279 mm11 in N/A 15 mm1/2 in N/A 8 mm1/4 in N/A 528
125TDFI-6 N/A 150 mm6 in N/A 457 mm18 in N/A 444 mm17 1/2 in N/A 279 mm11 in N/A 20 mm3/4 in N/A 8 mm1/4 in N/A 765
125TDFI-8 N/A 200 mm8 in N/A 546 mm21 1/2 in N/A 470 mm18 1/2 in N/A 317 mm12 1/2 in N/A 20 mm3/4 in N/A 8 mm1/4 in N/A 1371
125TDFI-10 N/A 250 mm10 in N/A 648 mm25 1/2 in N/A 552 mm21 3/4 in N/A 317 mm12 1/2 in N/A 25 mm1.00 in N/A 8 mm1/4 in N/A 2153
125TDFI-12 N/A 300 mm12 in N/A 762 mm30 in N/A 622 mm24 1/2 in N/A 317 mm12 1/2 in N/A 25 mm1.00 in N/A 8 mm1/4 in N/A 3105
Unit of Measure
1