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Standard Material Specifications

Valve Type: Components Materials Conforms To
BW 3,5,7&9 Bolt

Body Casting/Forging

Spectacle Plate

Bolting

Sealing

Carbon Steel

Cadmium Plated Carbon Steel

Carbon Steel

Nitrile

ASTM A216-WCC/ASTM A105

ASTM A516-70/ASTM A514-B

AISI 1040/AISI 4140-45

SG

Sliding Gate

Body

Gate

Sealing

Carbon Steel

Molybdenum Coated Carbon Steel

Nitrile/Bronze

ASTM A516-70/ASTM A36/ASTM A 105

ASTM A516-70

VW

Visible Wedge

Body Casting

Wedges

Sealing Rings

Carbon Steel

Carbon Steel

Nitrile

ASTM A216-WCC

ASTM A216-WCC

Other materials specifications can be supplied on request.  Thraco offers line blind valves in stainless steels, special alloys or surface treatments.

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