MSS SP-71 Class 125 Cast Iron Swing Check Valve

CHV101-125

1.Conforms to MSS SP-71

2.Face to face dimensions conform

to ANSI B 16.10(125Lb).

3.Flanges drilled to ANSI B 16.1(125Lb).

4.Working pressure:125S,200WOG.

5.Suitable Media:Water,Oil,Gas.

6.Body material: cast iron, ductile iron

7.Seat material: bronze, brass, stainless steel


Product Detail

Product Tags

Product Description

MSS SP-71 Class 125 Cast Iron Swing Check Valve is a cast iron swing check valve that complies with the American Standard Manufacturing Society (MSS) standard SP-71 and is rated Class 125.

Introduce: MSS SP-71 Class 125 Cast Iron Swing Check Valve is commonly used in piping systems to prevent backflow of media in the pipeline while allowing one-way flow. It is made of cast iron and has a swing-type valve cover to ensure the correct direction of fluid flow.

Advantage:

Prevent backflow: Prevent the backflow of media in the pipeline by automatically closing the valve to protect the pipeline system and related equipment.
Reduce water hammer: Effectively reduce water hammer caused by medium backflow and protect the stability and safety of the pipeline system.
Economical and affordable: Valves made of cast iron are lower in cost and are an economical choice for general industrial applications.

Usage: MSS SP-71 Class 125 Cast Iron Swing Check Valve is mainly used in industrial piping systems, including water supply systems, cooling water systems, chemical plants and pharmaceutical industries. By preventing backflow and water hammer, the valve plays an important role in industrial piping systems, ensuring the safe, stable and reliable operation of the piping system.

Features

Product Overview

Cast iron material: The valve body is usually made of cast iron, which has good strength and corrosion resistance.
Swing-Type Valve Cover: Featuring a swing-type design that opens easily and holds the valve open to allow one-way flow.
Class 125 standard: Complies with the Class 125 requirements in the MSS SP-71 standard and is suitable for general industrial applications.

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Technical Requirement

· Design and Manufacture Conform to MSS SP-71
· Flange dimensions Conform to ASME B16.1
· Face to Face dimensions Conform to ASME B16.10
· Testing Conform to MSS SP-71

Specification

PART NAME MATERIAL
BODY ASTM A126 B
SEAT RING ASTM B62 C83600
DISC ASTM A126 B
DISC RING ASTM B62 C83600
HINGE ASTM A536 65-45-12
STEM ASTM A276 410
BONNET ASTM A126 B

Product wireframe

Dimensions Data

NPS 2 2 3 4 5 6 8 10 12 14 16 18 20 24
Dn 51 63.5 76 102 127 152 203 254 305 356 406 457 508 610
L 203.2 215.9 241.3 292.1 330.2 355.6 495.3 622.3 698.5 787.4 914.4 965 1016 1219
D 152 178 191 229 254 279 343 406 483 533 597 635 699 813
D1 120.7 139.7 152.4 190.5 215.9 241.3 298.5 362 431.8 476.3 539.8 577.9 635 749.3
b 15.8 17.5 19 23.9 23.9 25.4 28.5 30.2 31.8 35 36.6 39.6 42.9 47.8
n-d 4-19 4-19 4-19 8-19 8-22 8-22 8-22 12-25 12-25 12-29 16-29 16-32 20-32 20-35
H 124 129 153 170 196 259 332 383 425 450 512 702 755 856

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