Double Flanged Butterfly Valve
Body: Wcb, Ductile Iron, CF8, CF8M, CF3M
Disc: WCB, Ductile Iron, CF8, CF8M
Stem: SS420, SS431
Bolt: SS304
Screw: SS304
Retainer: SS201
Seal: NBR
Bearing: RPTFE+Graphite
Nominal Diameter: DN50 to DN350
Nominal Pressure: PN10 to PN16
End Connections: Flanged
Operation: Gear Operated, Electric Actuated, pneumatic Actuated
Design and Manufacture: BS EN593, BS5155
Face to Face Dimensions: EN558, BS5155
Flanged End Dimensions: ANSI B16.1, AWWA C207, EN1092-2
Inspection and Test: API598, EN12226-2
Dimension Unit: mm
DN
L
L1
H1
H2
50
108
153
85
170
65
112
153
95
175
80
114
153
100
180
100
127
153
115
218
125
140
153
125
232
150
140
153
143
258
200
152
250
170
350
250
165
250
200
410
300
178
230
223
470
350
190
230
270
530
