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Iron Gate Valve / Model T-303

Iron Gate Valve / Model T-303

Vendor: Legend Valve

Valve Type(s):
Cast Iron Valves

Valve Description:

ISO-9002

Outside-screw-and-yoke stem design gives visual reference to disc-wedge position and is more durable than non-rising stem designs, as the stem threads are external and are not exposed to the media flow.
Class 125/150 flange-type end connections
IBBM design: Iron-body-bronze-mount, with replaceable bronze seat and wedge sealing rings
Bolted bonnet design permits access to internal components without removing the entire valve from the pipeline
Solid wedge assures a positive drip-tight closure
Durable cast iron construction resists pipeline stresses and distortion
All external surfaces are primed and dual-coat painted for corrosion resistance
Full-flow waterways minimize pressure drop
Available in nominal pipe sizes 2" to 12"

  • In accordance with interchangeability requirements, face-to-face dimensions conform to ANSI / ASME B16.10
  • Flanged end connections conform to ANSI / ASME B16.1 Class 125 / 150
  • Conforms to MSS SP-70
  • Manufactured in an ISO accredited facility

Valve Category:

Cast Iron Valves

Valve Subcategory

OS & Y - Flanged Ends

Working Pressure, Non Shock (PSI)
Cold working pressure (CWP): 200 psi
Saturated steam (WSP): 125 psi to 450° F

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T-303 Material Specification

MATERIAL SPECIFICATIONS
NO. PART MATERIAL ASTM
1 BODY CAST IRON A126 CLASS B
2 SEAT RING BRONZE B62
3 WEDGE FACE RING BRONZE B62
4 WEDGE CAST IRON A126 CLASS B
5 STEM BRASS B16
6 BODY GASKET GRAPHITE
7 BODY BOLT STEEL A307
8 BODY NUT STEEL A307
9 BONNET CAST IRON A126 CLASS B
10 BACKSEAT BUSHING BRASS B16
11 PACKING GRAPHITE
12 PACKING GLAND BRASS B16
13 GLAND FOLLOWER BOLT STEEL A307
14 GLAND FOLLOWER NUT STEEL A307
15 GLAND FOLLOWER DUCTILE IRON A536
16 YOKE BUSHING BRONZE B62
17 YOKE BUSHING NUT CAST IRON A126 CLASS B
18 SCREW STEEL A307
19 HANDWHEEL CAST IRON A126 CLASS B
20 IDENTIFICATION PLATE ALUMINUM
21 HANDWHEEL NUT DUCTILE IRON A536
DIMENSIONS IN INCHES
SIZE A B C D E
2" 7.0 13.75 7.0 6.0 .625
2-1/2" 7.5 15.375 7.0 7.0 .6875
3" 8.0 17.875 8.0 7.5 .75
4" 9.0 22.125 10.0 9.0 .9375
5" 10.0 26.0 10.0 10.0 .9375
6" 10.5 30.75 12.0 11.0 1.0
8" 11.5 36.625 14.0 13.5 1.125
   WARNING: Cancer and
   Reproductive Harm -
   www.P65Warnings.ca.gov