Wafer Double Door Check Valve
PN16/Class125

Fig. 5304
Working Pressure and Temperature
Working pressure PN16/Class125.
Temperature from -10℃ to 120℃ for EPDM seat.
Temperature from -10℃ to 82℃ for NBR seat.
Temperature from -10℃ to 150℃ for Viton seat.
Flange Types
EN1092-2 PN10/PN16, ANSI B16.1 Class125,
BS10 Table D/E.
Materials Specifications

Part Name

Material

EN Spec.

ASTM Spec.

Body

Cast Iron

EN-JL1040

A126 Class B

Disc

Stainless Steel

BS970 304S15

A351 CF8

Seat

EPDM/NBR/Viton

Commercial

Commercial

Hinge Pin

Stainless Steel

BS970 420S37

AISI 420

Stop Pin

Stainless Steel

BS970 420S37

AISI 420

Pin Retainer

Stainless Steel

BS970 304S15

AISI 304

Spring

Stainless Steel

BS970 304S15

AISI 304

Washer

PTFE

Commercial

Commercial

Gasket

EPDM/NBR/Viton

Commercial

Commercial
 
Dimensions (mm)

Size

A

B

C

Table D/E Flange

ANSI 125# Flange

EN1092-2 PN16 Flange

50/2"

96

102

106

54

66

65/2.5"

109

121

126

54

78

80/3"

126

134

141

57

90

100/4"

158

172

161

64

115

125/5"

190

194

191

70

141

150/6"

210

220

217

76

170

200/8"

267

277

272

95

210

250/10"

331

337

327

108

273

300/12"

379

407

382

143

324

350/14"

446

447

442

184

356

400/16"

493

511

494

191

406

450/18"

560

546

554

203

457

500/20"

616

602

616

213

508

600/24"

724

715

733

222

600