Bronze Dual Plate Check Valve
1. Body: Bronze, Aluminium Bronze(C95800, C95500, C95200)
2. Plate: Bronze, Aluminium Bronze(C95800, C95500, C95200)
3. Stop Pin: Bronze, Aluminium Bronze(C95800, C95500, C95200)
4. Back Spring: Inconel
5. Hinge Pin: Bronze, Aluminium Bronze(C95800, C95500, C95200)
6. Eyebolt: Bronze, Aluminium Bronze(C95800, C95500, C95200)
Nominal Size: DN50 to DN600
Nominal Pressure: Class150 to Class900
Design and Manufacture Standard: API 6D, API 608, BS5351
Face to Face Dimension: ANSI B16.10, API 6D
Flanged End Connection: ANSI B16.5
Buttweld End: ANSI B16.25
Inspection and Test: API 598, API 6D
Dimensions Unit: mm
Class150
DN
L
D
d
D1
50
60
103
51
56
65
67
122
65
73
80
73
135
80
88
100
73
173
102
108
150
98
220
152
160
200
127
277
203
210
250
146
337
254
266
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
