Iron Check Valve / Model T-311

Iron Check Valve / Model T-311

Vendor: Legend Valve

Valve Type(s):
Cast Iron Valves

Valve Description:

Valve Category:

Cast Iron Valves

Valve Subcategory

Flanged Ends

ISO-9002

LEGEND MODEL T-311 IBBM check valves are made of ASTM A-126, Class B cast iron with bronze trim. They have a bolted bonnet with replaceable seat rings and hanger pin. They have a solid wedge design with ANSI Class 125 flanged ends and meet MSS-SP71, Type 1 specifications. They are designed for use in commercial and industrial applications for backflow prevention. Can be installed vertically or horizontally.

PRESSURE RATING
200 W.O.G. NON-SHOCK
125 W.S.P. TO 450°F

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T-311 Material Specifications and Dimensions

MATERIAL SPECIFICATIONS
NO. PART MATERIAL ASTM
1 COVER BOLT & NUT STEEL A307
2 COVER CAST IRON A126 CLASS B
3 GASKET NON-ASBESTOS
4 HANGER PIN STAINLESS STEEL  
5 HANGER CAST IRON A126 CLASS B
6 DISC RING BRONZE B62
7 DISC CAST IRON A126 CLASS B
8 DISC WASHER STEEL A307
9 DISC BOLT STEEL A307
10 SEAT RING BRONZE B62
11 BODY CAST IRON A126 CLASS B
DIMENSIONS IN INCHES
SIZE A B C D
2" 8.0 4.0 6.0 .625
2-1/2" 8.5 4.5 7.0 .6875
3" 9.5 5.125 7.5 .75
4" 11.5 6.125 9.0 .9375
5" 13.0 6.8125 10.0 .9375
6" 14.0 8.0 11.0 1.0
8" 19.5 9.4375 13.5 1.125
   WARNING: Cancer and
   Reproductive Harm -
   www.P65Warnings.ca.gov