Dual Plate Wafer Check Valve
Body Material: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze
Disc: Ductile Iron, Stainless Steel, Aluminium Bronze
Spring: Stainless Steel
Stem: Stainless Steel
Seat: EPDM, NBR, VITON, CF8, CF8M
Nominal Diameter: DN50 to DN900
Nominal Pressure: Class 150 to Class 2500
Face to Face Dimension: API 594, ASME B16.10
Flanged End Dimensions: ASME B16.10
Inspection and Test: API 598
Dimensions Unit: mm
Class 150
DN
L
D
D3
D2
50
60
103
51
58
65
67
122
65
73
80
73
135
80
88
100
73
173
102
108
125
86
195
127
132
150
98
220
152
160
200
127
277
203
210
250
146
337
254
265
300
181
407
305
310
350
184
448
350
355
400
191
512
400
405
450
203
547
450
455
500
219
604
500
505
600
222
715
600
605
700
305
827
685
690
750
305
878
740
740
800
305
935
785
790
900
368
1045
885
890





