Wafer Swing Check Valve
PN16/Class125

Fig. 5301
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

Clapper

Stainless Steel

BS970 304S15

A351 CF8

Hinge Arm

Stainless Steel

BS970 304S15

A351 CF8

Seat

EPDM/NBR/Viton

Commercial

Commercial

Hinge-Pin

Stainless Steel

BS970 420S37

AISI 420

Spacer

PTFE

Commercial

Commercial

Spring

Stainless Steel

BS970 304S15

AISI 304
 
Dimensions (mm)

Size

A

B

C

D

Table D/E Flange

ANSI 125# Flange

EN1092-2 PN16 Flange

50/2"

98

102

106

44.5

33

29

65/2.5"

111

121

126

48

47

30

80/3"

130

134

141

51

52

56

100/4"

162

172

161

57

76

75

125/5"

194

194

191

63.5

95

95

150/6"

216

220

217

70

121

114

200/8"

273

277

272

73

168

156

250/10"

337

337

337

79

194

187

300/12"

384

407

382

86

241

222

350/14"

444

447

446

108

267

229

400/16"

495

511

515

108

317.5

248

450/18"

558

546

550

108

355.6

298.5

500/20"

615

602

610

140

387.4

324

600/24"

723

715

733

152

482.6

387