Forged Steel Check Valve

Forged steel check valves, with piston, ball, or swing check type in full or standard port. T-Pattern or Y-Pattern with bolts or welded body. An integral body seat is designed for a piston or ball check valve. A separate seat ring is built for a swing check valve.

BODY: The body is forged steel and designed to the basic dimensional requirements of the applicable specifications such as API 602 and ASME B16.34. The body is available in either the full or standard port design. It is also available in either T-Pattern or Y-Pattern configurations.

COVER: The cover is forged steel and designed to the basic dimensional requirements of the applicable specifications such as API 602 and ASME B16.34.

BODY-COVER JOINT: Bolted cover, pressure-sealed or welded cover.

SEAT: The body seat for the piston and ball check valves is an integral weld overlay and is part of the valve trim. The swing check valve is supplied with a separate seat ring which is pressed into the valve body and wedged into place, forming a seal with the body.

PISTON, BALL OR DISC: The piston, ball, or disc is made of forged steel and is part of the valve trim. The seating surface of the piston and ball check is of the tapered or plug type design. The seating surface of the swing check is of the flat seat design.

forged steel check valve NPT ends
forged steel check valve NPT ends forged steel swing check valve forged steel piston check valve forged steel flanged check valve forged steel welded cover check valve

Size

1/2" - 2"

Pressure Rating

Class 150 - 2500

End Connections

Flanged, Welded, Threaded

Body Material

Carbon steel, stainless steel, alloy steel, duplex steel in forged type

Standard Specifications

Design ASME B16.34 - BS 5352 Test API 598
Socket Weld ASME B16.11 Screw End ASME B1.20.1
Butt Weld Ends ASME B16.25 End Flanges ASME B16.5

Forged Steel Check Valve Drawings

forged steel piston check valve

forged steel swing check valve drawingball check valve

 

Material Specifications

No. Part Name Material
Standard Hight Temperature Stainless Steel Sour Service Low Temperature
1 Body ASTM A105N ASTM A182 F11/F22 ASTM A182 F304 ASTM A105 ASTM A350 LF2
2 Cover ASTM A105N ASTM A182 F11/F22 ASTM A182 F304 ASTM A105 ASTM A350 LF2
4 Gasket 304SS+Graphite 316SS+Graphite 316SS+Graphite 316SS+Graphite 316SS+Graphite
5 Bolt A193 B7 A193 B16 A193 B8 A193 B7M A320 L7M
6 Seat STL Overlay STL Overlay STL Overlay STL Overlay STL Overlay
7 Disc A182 F6a A182 F6a A182 F316 A182 F6a Nace A182 F316
8 Spring A276 316 A276 316 A276 316 A276 316 A276 316

Dimensions & Weight

forged steel check valve dimensions & weight

Forged Steel Check Valve, Class 800, Full Port

Size 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
A 80 80 90 110 127 150 180 210
B 55 55 60 78 88 92 108 145
F,Piston 7 9 13 17.5 22.5 29.5 35 45
F,Swing 8 9.6 14 18 24 30 36.6 48
G 32 32 38 48 56 64 78 85
Weight 1.4 1.4 1.6 3 4.3 5.6 10 16

Forged Steel Check Valve, Class 800, Reduced Port

Size 1/2" 3/4" 1" 1-1/2" 2"
A 80 90 110 150 180
B 55 60 78 92 108
F,Piston 9 13 17.5 29.5 35
F,Swing 9.6 14 18 30 36.6
G 32 38 48 64 78
Weight 1.3 1.6 2.8 5.6 9

Forged Steel Check Valve, Class 1500, Full Port

Size 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
A 90 90 110 127 150 180 210 210
B 60 60 78 88 92 108 145 150
F,Piston 7 9 12 15 20 27 32 40
F,Swing     14 18 24 30 36.6 48
G 38 38 48 56 64 78 85 95
Weight 1.7 1.7 3.1 4.6 6.5 10.6 19 19

Forged Steel Check Valve, Class 1500, Reduced Port

Size 1/2" 3/4" 1" 1-1/2" 2"
A 90 110 127 180 210
B 60 78 88 108 145
F,Piston 9 12 15 27 32
F,Swing 9.6 14 18 30 36.6
G 38 48 56 78 85
Weight 1.7 3 4.4 10 18

Other Features:

GASKET - The bolted cover check valve uses a contained,controlled compression, spiral wound type gasket.

COVER BOLTING - The cover bolting is manufactured of alloy steel in accordance with the requirements of the applicable specifications such as API 602 and ASME B16.34.

SPRING - The spring is optional and supplied only upon request.

Online Inquiry

WhatsApp
8613634229454
Email
info@reliavalve.com
Phone
0086-577-86373155
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