FORGED STEEL VALVES

Forged steel globe valves

Name: Forged steel globe valves
Brand: NTK

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 Globe Valves

Bolted or welded bonnet · OS&Y, rising stem · Threaded or socket-weld ends · Integral hard-faced seat

Pressure class	Port designation	NPS (in)	Reference
Class 800	Conv.	3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 7, 8
Class 800	Std.	3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2	Catalogue pp. 7, 8

View material example

Body: ASTM A105N + 13Cr
Disc: ASTM A276 420
Stem: ASTM A276 410
Packing: Graphite

Forged Steel Globe Valves

Bolted or welded bonnet · OS&Y, rising stem · Threaded or socket-weld ends · Integral hard-faced seat

Pressure class	Port designation	NPS (in)	Reference
Class 900	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 9, 10
Class 900	Std.	3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2	Catalogue pp. 9, 10
Class 1500	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 9, 10
Class 1500	Std.	3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2	Catalogue pp. 9, 10

View material example

Body: ASTM A105N + 13Cr
Disc: ASTM A276 420
Stem: ASTM A182 F6a
Packing: Graphite

Forged Steel Pressure Seal Globe Valves

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

Pressure class	Port designation	NPS (in)	Reference
Class 900	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 9, 10
Class 1500	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 9, 10
Class 2500	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 9, 10

View material example

Body: ASTM A105N + 13Cr
Disc: ASTM A276 420
Stem: ASTM A182 F6a
Packing: Graphite
Pressure seal ring: Soft iron

Forged Steel Y-Pattern Globe Valves

Y-pattern · Bolted or welded bonnet · OS&Y, rising stem · Threaded or socket-weld ends · Integral hard-faced seat

Pressure class	Port designation	NPS (in)	Reference
Class 800	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 13, 14

View material example

Body: ASTM A105N + 13Cr
Disc: ASTM A276 420
Stem: ASTM A182 F6a
Packing: Graphite

Forged Steel Pressure Seal Y-Pattern Globe Valves

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

Pressure class	Port designation	NPS (in)	Reference
Class 900	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 15, 16
Class 1500	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 15, 16
Class 2500	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 15, 16

View material example

Body: ASTM A105N + 13Cr
Disc: ASTM A276 420
Stem: ASTM A182 F6a
Packing: Graphite
Pressure seal ring: Soft iron

Forged Steel Cryogenic Globe Valves

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

Pressure class	Port designation	NPS (in)	Reference
Class 800	Conv.	3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 17, 18
Class 800	Std.	3/8 · 1/2 · 3/4 · 1 · 1-1/4 · 1-1/2	Catalogue pp. 17, 18

View material example

Body: ASTM A182 F304
Bonnet: ASTM A182 F304

Flange Ends Globe Valves

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

Pressure class	Port designation	NPS (in)	Reference
Class 150	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 19, 20
Class 300	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 19, 20
Class 600	Conv.	1/2 · 3/4 · 1 · 1-1/4 · 1-1/2 · 2	Catalogue pp. 19, 20

View material example

Body: ASTM A105N + 13Cr
Disc: ASTM A276 420
Stem: ASTM A182 F6a
Packing: Graphite

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