.

double disc check valve

Acid and Alkali Resistance

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

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''

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

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