Dual Plate Lug 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
R
f
D3
D2
D1
d
50
60
92
2
51
58
121
M16
65
67
105
2
65
73
140
M16
80
73
127
2
80
88
152
M16
100
73
157
2
102
108
191
M16
125
86
186
2
127
132
216
M16
150
98
216
2
152
160
241
M20
200
127
270
2
203
210
299
M20
250
146
324
2
254
265
362
M24
300
181
381
2
305
310
432
M24
350
184
413
2
350
360
476
M27
400
191
470
2
400
410
540
M27
450
203
533
2
450
460
578
M30
500
219
584
2
500
510
635
M30
600
222
692
2
600
610
749
M33
700
318
692
2
600
610
813
M33
750
305
800
2
685
690
864
M33
800
305
857
2
735
750
914
M39X3
900
305
914
2
785
790
978
M39X3
