Item Number 125TDFI-5, Cast Iron Triple Duty Valve On Colton Industries

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,

Unit of Measure

Specifications

Size	N/A 125 mm5 in
A	N/A 406 mm16 in
B	N/A 416 mm16 3/8 in
C	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 528
Weight	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.

Specifications

Size

A

B

C

D (NPT)

E (NPT)

Weight

Maximum Allowable Working Pressure

Maximum Allowable Working Temperature at EPDM Seal

Maximum Allowable Working Temperature at Viton Seal

Valve Body Material

Valve Disc Material

Valve Stem Material

Valve Stem Guide Material

Packing Material

Packing Gland Material

Spring Material

Valve Seat Ring Material

Valve Seat Seal Material

Valve Disc Seat Material