Twin-Disc Silent Wafer Check Valve / T-312

Valve Category:

Specialty Products

Manufacturer

Legend Valve


  • ANSI B16.1
  • API 594

Dual spring-loaded discs assure quick, silent closure
Elastomer seats create a positive seal against backflow
Can be installed vertically or horizontally, in any orientation
Durable cast iron body is designed to install easily between Class 125/150 companion flanges
The compact body design is lighter and requires less installation space as compared to traditional flanged swing check valves
The split-disc, center-torsional spring design minimizes pressure drop

Working Pressure, Non-Shock (PSI)
Cold Water, Oil, Gas: 200CWP
Max temp: 200° F

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T-312 Wafer Check Valve Material Specifications and Dimensions

MATERIAL SPECIFICATIONS
NO. PART MATERIAL SPECIFICATION
1 Body Cast Iron ASTM A126 Class B
2 Discs (2) Aluminum Bronze ASTM B148 UNS C95800
3 Seat EPDM Rubber Commercial Grade
4 Disc and Spring Shafts (2) Stainless Steel ASTM A182
5 Disc Springs (2) Stainless Steel ASTM A182
6 Shaft Plugs (4) Stainless Steel ASTM A216
7 Plug Seals (4) EPDM Rubber Commercial Grade
8 Anti-Friction Thrust Washers (4) PTFE PTFE
DIMENSIONS IN INCHES
Size A B C D E
2" 4.02 1.69 2.56 2.13 1.26
2-1/2" 4.76 2.24 3.07 2.13 1.26
3" 5.28 2.76 3.7 2.24 1.38
4" 6.77 3.47 4.61 2.50 1.71
5" 7.64 4.53 5.71 2.76 1.81
6" 8.62 5.28 6.73 2.99 1.89
8" 10.91 7.17 8.74 3.74 2.40
10" 13.27 8.54 10.87 4.25 2.84
12" 16.02 10.24 12.87 5.63 3.58
Twin-Disc Silent Wafer Check Valve / T-312
   WARNING: Cancer and
   Reproductive Harm -
   www.P65Warnings.ca.gov

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