Super Duplex Dual Plate Check Valve
Body: Super Duplex Stainless Steel 4A, 5A, 6A, Duplex Stainless Steel, Alloy 20, CN7M, Hastelloy, Carbon Steel,
WC6, WC9, C5, C12, LCB, CF3M
Disc: Super Duplex Stainless Steel, Duplex Stainless Steel, Alloy 20, CN7M, Hastelloy, Carbon Steel, WC6,
WC9, C5, C12, LCB, CF3M, Super Duplex Stainless Steel 4A, 5A, 6A
Trim: SS304, SS316, SS304L, SS316L, 13%Cr.Steel, Stellite, Hastelloy, Alloy 20, Duplex Stainless Steel, Super
Duplex Stainless Steel
Gland Packing: Graphite, PTFE
Nominal Size: DN50 to DN600
Nominal Pressure: PN 1.0 to 25 Mpa, Class 150 to 2500
Design and Manufacture Standard: ANSI B16.34, API 6D, DIN 3840, BS EN 1868
Face to Face Dimensions: ANSI B16.10, API 6D, DIN3202, BS EN558-1
Flange End Dimensions: ANSI B16.5, DIN 2543, BS EN 1092-1
Buttweld End Dimensions: ANSI B16.25
Inspection and Test: API598, API6D, DIN3230, BS EN 12569
Dimensions Unit: mm
Class 150
DN
L
D
D1
D2
n-фd
50
60
103
120.5
92
4-19
65
67
122
139.5
105
4-19
80
73
135
152.5
127
4-19
100
73
173
190.5
157
8-19
125
86
196
216
186
8-22
150
98
222
241.5
216
8-22
200
127
279
298.5
270
8-22
250
146
339
362
324
12-25
300
181
409
432
381
12-25
350
184
450
476
413
12-29
400
191
514
540
470
16-29
450
203
549
578
533
16-32
500
219
606
635
584
20-32
600
222
717
749.5
692
20-35
