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Forged steel gate valves
Catalogue cutaway · One configuration within the family
FORGED STEEL VALVES

Forged steel gate valves

Explore bolted / welded and pressure-seal designs, with construction, ends and pressure class reviewed for the duty.

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Configurations & sizes

Sizes are organized from the company’s historical catalogues for preliminary selection. Current availability, pressure–temperature limits, materials and dimensions are subject to approved data sheets and drawings. Conv., Full and Std. retain the catalogue’s separate port-column labels; the end sizes are not interchangeable.

Forged Steel Gate Valves

Bolted or welded bonnet · Outside screw and yoke · Rising stem · Threaded or socket-weld ends · Rolled seat ring

Pressure classPort designationNPS (in)Reference
Class 800Conv.3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 5, 6
Class 800Full3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 5, 6
View material example
Body
ASTM A105N
Seat
ASTM A276 420
Wedge
ASTM A276 420
Stem
ASTM A182 F6a
Packing
Graphite

Forged Steel Gate Valves

Bolted or welded bonnet · OS&Y, rising stem · Threaded or socket-weld ends · Rolled seat ring

Pressure classPort designationNPS (in)Reference
Class 900Conv.3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 5, 6
Class 900Full3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 5, 6
Class 1500Conv.3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 5, 6
Class 1500Full3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 5, 6
View material example
Body
ASTM A105N
Seat
ASTM A276 420
Wedge
ASTM A276 420
Stem
ASTM A182 F6a
Packing
Graphite

Forged Steel Pressure Seal Gate Valves

Pressure seal bonnet · OS&Y, rising stem · Socket-weld or butt-weld ends

Pressure classPort designationNPS (in)Reference
Class 900Conv.1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 7, 8
Class 1500Conv.1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 7, 8
Class 2500Conv.1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 7, 8
View material example
Body
ASTM A105N
Seat
ASTM A276 420
Wedge
ASTM A276 420
Stem
ASTM A182 F6a
Packing
Graphite
Pressure seal ring
Soft iron

Forged Steel Cryogenic Gate Valves

Bolted or welded bonnet · Extended stem · Threaded or socket-weld ends

Pressure classPort designationNPS (in)Reference
Class 800Conv.3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 17, 18
Class 800Full3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 17, 18
View material example
Seat
ASTM A276 304
Wedge
ASTM A276 304
Stem
ASTM A182 F304
Bonnet
ASTM A182 F304

Flange Ends Gate Valves

Bolted bonnet · OS&Y, rising stem · Flanged or butt-weld ends

Pressure classPort designationNPS (in)Reference
Class 150Conv.1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 19, 20
Class 300Conv.1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 19, 20
Class 600Conv.1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2Catalogue pp. 19, 20
View material example
Body
ASTM A105N
Seat
ASTM A276 420
Wedge
ASTM A276 420
Stem
ASTM A182 F6a
Packing
Graphite

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