Dual Plate Check Valve Dual Plate Check Valve Description

Acid and Alkali Resistance Dual Plate Check Valve

1. The double disc check valve is built with stainless, C954/C958, 1.4469 trim to give years of trouble free operation. 

2. The double disc check valve can be installed in either horizontal or vertical pipelines that carry clean water or air. 

3. The double disc check valve is designed to provide flow in the direction of the arrow marked on the outside nameplate, and instantaneously close upon sensing flow reversal. 

4. The nameplate will also indicate valve size, model number, working pressure and materials of construction. 

Product Description

Design and Manufacture Conform to API 594

End flange dimensions Conform to ANSI B16.5

Face to Face dimensions Conform to API 594

Testing Conform to API 598

Product Dimensions

MATERIALS OF PARTS

Number

Part Name

Material

1

Body

CF8/WCB+F6

2

Disc

CF8/WCB+F6

3

Torsional spring

SS304/SS410

4

Hinge pin

SS304/SS410

5

Plate-lug bearing

SS304/SS410

6

Bolt

Carbon steel

7

Plug gasket

SS304/SS410

8

Plug

Carbon steel

 

SIZE

2''

2.5''

3''

4''

5''

6''

8''

10''

12''

14''

16''

18''

20''

24''

L

60

67

73

73

86

98

127

146

181

184

191

203

219

222

D

103

122

135

175

195

220

277

337

407

448

512

547

604

715

D1

51

65

80

102

127

152

203

254

305

350

400

450

500

600

D2

56

73

88

108

132

160

210

266

310

355

405

455

505

605

Advantage

Why Choose Us?

1. We have been manufacturing and supplying valves and valve parts for more than 12 years.

2. We are the original quality manufacturer,where you can obtain offer with quality assurance.

3. The products have the traceability, which saves time to repalce parts.

4. We also  have a good reputation on customers from all over the world.

5. Our upgrated new products and designed drawings are very popular in marine and industrail fields.

Our company is one of the biggest china check valve Manufacturer.