Forged Steel Swing Check Valve, ASTM A105N, 1 IN, CL 800 LB

Key Specifications / Features

Model No.: JSC-240327-SCV-01

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Crafted from high-quality forged steel ASTM A105N and designed to meet API 602 standards, our swing check valve offers reliable performance in demanding applications. With a compact 1-inch size and a robust Class 800 LB rating, it ensures efficient flow control and system integrity. Featuring NPT end connections, this valve is easy to install and provides a secure fit in various piping systems.
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Detail Information

Forged Steel Swing Check Valve

Body material: ASTM A105N
Nominal diameter: 1 Inch (DN25)
Nominal class: Class 800 LB (PN150)
End connection: NPT
Metal seat: 13Cr
Design standard: API 602
Face to face: MFR, API602
Test and inspection: API 598

The Forged steel check valve operates by utilizing the flow of the medium itself to automatically open and close the valve disc. It serves the purpose of preventing the reverse flow of the medium and is commonly referred to as a check valve, one-way valve, reverse flow valve, or back pressure valve. Additionally, the body guide ensures alignment of the seat and disc. When the piston check valve closes, the flow pressure will force the disc to lift off the seat, allowing fluid to pass through the valve.

Forged Steel Swing Check Valve – Features

The body is forged steel and available in reduced and full bore design
Bolted bonnet, Welded Bonnet or Pressure Seal Bonnet
Spring loaded piston
Integral seat

Forged Steel Swing Check Valve - Specifications and Standards

Design standard: API 602, ASME 16.34
Pressure temperature standard: ASME 16.34
Face to face dimension: MFR Standard
Testing and inspection standard: API 598
Flanged Ends: ASME B16.5
Butt Welded Ends: ASME B16.25
Screwed Ends: ASME B1.20.1
Socket Welded Ends: ASME B16.11
Ends: Flanged ends, Socket Weld End, Screwed End, Butt-weld end
Size range: 1/2 Inch - 3 Inch (DN15-DN80)
Pressure Range: Class 150 LB, 300 LB, 600 LB, 900 LB, 1500 LB, 2500 LB, 4500 LB
Body material: ASTM A105N, ASTM A350 LF2, ASTM A182 F5, ASTM A182 F22, ASTM A182 F304, ASTM A182 F304L, ASTM A182 F316, ASTM A182 F316L, ASTM A182 F347, ASTM A182 F321, ASTM A182 F51, ASTM A182 F55, Inconel Alloy, Monel Alloy, Hastelloy Alloy.
Trim material: ASTM A182 F6a, F316, F304, F316L, F321, F51, F55, Inconel, Stellied or Hardfaced

Forged Steel Swing Check Valve Design Drawing

Swing Check Valve Class 800 LB, 900 - 1500 LB - Standard Material Specifications

NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304 (L) Type F316 (L)
1 Body A105 A182 F22 A182 F304 (L) A182 F316 (L)
2 Seat A276 410 A276 304 A276 304 (L) A276 316 (L)
3 Swing Disc A276 420 A276 304 A276 304 (L) A276 316 (L)
4 Nut A194 2H A194 4 A194 8 A194 8M
5 Hinge A105 A182 F22 A182 F304 L A182 F316(L)
6 Pin A276 420 A182 F304 A182 F316
7 Pontlevis A105 A182 F22 A182 F304 L A182 F316(L)
8 Gasket Corrugated SS + graphite SS + PTFE
9 Bonnet A105 A182 F22 A182 F304 L A182 F316(L)
10 Bolt A193 B7 A193 B16 A193 B8M A193 B8M
Suitable Medium W.O.G.etc W.O.G.etc HNO3, CH3OOH etc
Suitable Temperature -29 425 -29 550 -29 180

Note: Other materials are available upon request.

Dimensions (mm) and Weights (Kg)
NPS 3/8 1/2 3/4 1 1-1/4 1-1/2 2
L 80 LB 79 79 92 111 120 120 140
900 - 1500 LB 92 111 111 120 120 140 178
H 800 LB 61 61 78 84 101 120 133
900 - 1500 LB 79 79 79 97 105 120 140
Weights 800 LB 1.1 1.0 1.9 3.9 4.5 7.3 10.0
900 - 1500 LB 3.1 3.0 3.6 4.3 6.1 8.8 12.6


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