TOBO STEEL GROUP CHINA

TOBO STEEL GROUP CHINA

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Body SS304 Wafer Check Valve 2'' PN10 Seat EPDM High Safety And Reliability

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TOBO STEEL GROUP CHINA
City:shanghai
Province/State:shanghai
Country/Region:china
Contact Person:MsTOBO
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Body SS304 Wafer Check Valve 2'' PN10 Seat EPDM High Safety And Reliability

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Brand Name :TOBO
Model Number :SS304
Certification :ISO 9001/ API 6D
Place of Origin :China
MOQ :1Pcs
Price :Negotiation
Payment Terms :L/C, T/T, Western Union
Supply Ability :10000 Pcs Per Month
Delivery Time :10 working days
Packaging Details :Usually packing by plywood case suit for sea delivery
Product Name :Wafer Check Valve
Material :SS304
Application :Oil, Gas, Water, Steam Etc
Advantage :Quiet
Temperature :-10~80 C
Design :Wafer
Body :Stainless Steel
Seat :Stainless Steel
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View Product Description

Body SS304 Wafer Check Valve 2'' PN10 Seat EPDM High Safety And Reliability

Product introduction

The wafer flange clamped butterfly check valve is a energy-save product.It is manufactured based the foreign advanced technology and in accordance with relative international standards.This product is featured by excellent retaining per-formance,high safety and reliability and low flow resistance.It is suitable for systems in the industries of petrochemical food processing,medicine,textile,paper-making.Water,supply,drainage,metallurgy,energy,and light industry,etc,used as a check valve in one way.

Quick Details

Product Name

CHECK VALVE

Material

stainless steel

Color

nickel white

Standard

DIN GB JIS ANSI

Class

150LB(16)~600LB(2500)

Body and Ball Material

CF8 CF3 CF8M CF3M WCB PVC UPVC PP

Thread

-29~150(PTFE), -29~200( PTFE+GLASS), -29~300(J2 PPL)

Steam Seat and Gasket

PTFE

Technical Specifications

>P.T Ratings to ASME B16.34
>Face to Face Dimensions to ASME B16.10
>Flanged Ends to ASME B16.5
>Butt-weld Ends to ASME B16.25
>Valves Marking to MSS SP-25
>Inspect & Tested to API 598
>Size Ranges from 1/2″ thru 60″.
>Structured in One Piece Union Body
>Pressure Ratings from Class 150 to Class 2500, PN16 to PN420
>Ends Connections in Flanged R.F or RTJ, Wafer, Fully Lugged and Grooved
>A variety of body and trim material is offered, including carbon steel ASTM A216 WCB, WCC; Cast or Ductile iron A126, GG25, A536 or GGG50, Low Carbon Steel LCB, LCC, Alloy Steel WC6, WC9, C5, Stainless Steel CF8, CF8M, CF3, CF3M, Duplex & Super Duplex Steel A890 GR. 4A,5Aor F51, Special Materials in Monel, Alu. Bronze C95800, 95600 etc. Coatings may be provided for added corrosion or wear resistance. Hard-facing and weld overlays may also be supplied. Seats Options with metal-to-metal or bubble-tight resilient. Optional Bypass system & Counter-weight Assembly.

Stainless Steel Check Valve Application:

Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.

When the medium is back-going, valve disc will automaticaly closed to avoid accidents.

Stainless Steel Check Valve Test Pressure

Test Item

Shell Test

Seal Test

Back Seal Test

Air Seal Test

Medium

Water

Air

Unit

MPa

lbf/in2

MPa

lbf/in2

MPa

lbf/in2

MPa

lbf/in2

Pressure (Class)

150

3.1

450

2.2

315

2.2

315

0.5-0.7

60-100

300

7.8

1125

5.6

815

5.6

815

400

10.3

1500

7.6

1100

7.6

1100

600

15.3

2225

11.2

1630

11.2

1630

900

23.1

3350

16.8

2440

16.8

2440

1500

38.4

5575

28.1

4080

28.1

4080

Types of Valves

The type of disk will decide the type of valve. Most common types of Check valves are

  • Swing Type.

    • Top Hinged

    • Tilting disk

  • Lift Type

    • Piston Type

    • Ball type

  • Dual Plate Type

  • Stop Check Valve

Swing Check Valve

Body SS304 Wafer Check Valve 2'' PN10 Seat EPDM High Safety And Reliability

The disc in a swing type valve is unguided as it fully opens or closes. This Valve operates when there is flow in the line and get fully closed when there is no flow. Turbulence and pressure drop in the valve is very low.

Disk and seat designs can be of metal to metal or metal to composite.

The angle between the seat and the vertical plane is known as the seating angle and varies from 0 to 45 degrees.

Usually, the seat angles are in the range of 5 to 7 degrees. Larger seat angles reduce the disc travel, resulting in quick closing, thus minimizing the possibility of water hammer. A vertical seat has a 0-degree angle.


The swing type valve allows full, unobstructed flow and automatically closes as pressure decreases. Usually installed in combination with gate valves because they provide relatively free flow combinations.

A basic swing type valve consists of a valve body, a bonnet, and a disk that is connected to a hinge.

Parts of Non-Return Valve

It is consists of body, cover, disk, hinge pin, and seat ring. In the image below you can see the parts of the valve.

Body SS304 Wafer Check Valve 2'' PN10 Seat EPDM High Safety And Reliability

Valve main parts and material

No Parts Name

Materials

Body

304

LCB

LCC

WC6

WC9

CF8

CF8M

CF3

CF3M

Stem

304

LCB

LCC

WC6

WC9

CF8

CF8M

CF3

CF3M

Spring

304

LCB

LCC

WC6

WC9

CF8

Gasket

150~600LB, STAINLESS STEEL WINDING GASKET

Bolt

B7

L7M

L7M

B16

B16

B8

B8

B8

B8

Nut

2H

7M

7M

4

4

8

8

8

8

Standard

Standard

Design&Manufacture

API 594

API6D

JB/TB937

Face to face

API594

DIN3202

JB/T8937

Pressre-Temperature

ASME B16.34

DIN2401

GB/T9124

Pipe Flange

JB/71-90

JB/T9112-9124

PN Mpa

SIZE(mm)

L

D

D3

D2

1.6Mpa

40

60

96

46

41

50

60

109

56

51

65

67

129

73

65

80

73

144

88

80

100

73

164

108

102

125

86

194

132

127

150

98

220

160

152

200

127

275

210

203

250

146

332

266

254

300

181

387

310

305

350

184

447

355

350

400

191

498

405

400

450

203

558

455

450

500

219

618

505

500

600

222

732

605

600

700

305

802

700

695

800

305

912

800

796

900

368

1012

903

898

1000

432

1124

1055

1050

1200

524

1340

1200

1400

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