Grooved End Butterfly Valve
PN20/Class150
Fig. 2902
Valve Standards: Complies with EN593/BS5155/MSS SP-67.
Complies with EN593/BS5155/MSS SP-67
Working Pressure and Temperature
Working pressure PN20/Class150.
Temperature from -10℃ to 120℃ for EPDM coated disc.
Temperature from -10℃ to 82℃ for NBR coated disc.
Temperature from -10℃ to 150℃ for Viton coated disc.
Top Flange: Complies with ISO5211/1.
Flange Types
Grooved dimensions comply with Metric or ANSI Pipe standards
Operator:Handle or gear operator.



Materials Specifications

Part Name

Material

EN Spec.

ASTM Spec.

Body

Ductile Iron

EN-JS1050

A536 65-45-12

Shaft

Stainless Steel

BS970 420S37

AISI 420

Disc

DI EPDM Coated

EN-JS1050

A536 65-45-12

DI NBR Coated

EN-JS1050

A536 65-45-12

DI Viton Coated

EN-JS1050

A536 65-45-12

Bushing

PTFE

Commercial

Commercial

O-Ring

EPDM/NBR/Viton

Commercial

Commercial

Dimensions (mm)

Size

50/2"

65/2.5"

80/3"

100/4"

125/5"

150/6"

200/8"

250/10"

300/12"

Pipe OD

60.3

73.0/76.1

88.9

114.3

139.7/141.3

165.1/168.3

219.1

273.0

323.9

A

122

140

147

177

204

215

245

295

320

B

77

85

90

108

120

145

180

230

260

C

30

30

30

30

30

30

30

30

30

D

90

90

90

90

90

90

125

125

125

E

84

97

97

116

148

148

133

159

165