Grooved End Double Door Check Valve
PN20/Class150
Fig. 5905-SS Disc.
Fig. 5906-Bronze Disc.
Working Pressure and Temperature
Working pressure PN16/Class125.
Temperature from -10℃ to 120℃
for EPDM coated disc.
Temperature from -10℃ to 82℃ - NBR coated disc.
Temperature from -10℃ to 150℃ -Viton coated disc.
Flange Types
EN1092-2 PN10/PN16, ANSI B16.1 Class125,
BS10 Table D/E, JIS10K/16K.


Materials Specifications

Part Name

Material

EN Spec.

ASTM Spec.

Body

Cast Iron
for DN50 to DN300

EN-JL1040

A126 Class B

Ductile Iron
for DN350 and Above

EN-JS1050

A536 65-45-12

Cover

Cast Iron
for DN50 to DN300

EN-JL1040

A126 Class B

Ductile Iron
for DN350 and Above

EN-JS1050

A536 65-45-12

Disc

Ductile Iron
EPDM/NBR/Viton Coated

EN-JS1050

A536 65-45-12

Gasket

NBR/EPDM/Viton

Commercial

Commercial

Plug

Malleable Iron

Commercial

Commercial




 
Dimensions (mm)

Size

50/2"

65/2.5"

80/3"

100/4"

125/5"

150/6"

200/8"

250/10"

300/12"

350/14"

400/16"

450/18"

500/20"

600/24"

A

203

216

243

292

349

381

495

622

699

787

813

914

1016

1219

B

95

95

110

121

147

147

222

260

292

333

391

435

486

578