Dual plate check valve is engineered using finest quality components including WCB, CF8, CF8M, haste alloy, super duplex, alloy 20, LCB etc. These are engineered under the firm direction of experienced quality controllers and following international industrial standard. These are designed as per API 6D design standard and following international industrial standard. These can be availed in all standard sizes including 50 mm to 600 mm. these are acclaimed for its maximum durability, robustness, sturdiness and consistent performance. Besides, these are available with flange end and wafer end. These are available in various technical specifications and range as per the exact demands. These are engineered under the strict supervision of experienced quality controllers, who quality checks these on well defined parameters to ensure flawlessness. These products are available with us at very affordable prices.
 
ANSI CLASS
125
150
300
 
PRODUCT No.- 4
A Aluminium Bronze     ASTM B148, Alloy 952
B Bronze                    ASTM B548, Alloy 836
C Carbon Steel            ASTM A216, Gr. WCB
D Ductile Iron             ASTM A536, Gr. 65-45-12
G Cast Iron                ASTM A216, Class B
S Stainless Steel        ASTM A351, Gr. CF8/8M
X Other to be specified
FLANGED END
ANSI B16.5/Class-150, 300,
400, 600
BS:4504, PN-6,10,16
BS:10, Table-D, E
IS: 1538 Table-IV & VI
IS: 6392 Table15, 11, 17
Other to be specified
       ANSI CLASS
     MM          SIZE
      50             2”
      65            2½”
      80             3”
     100            4”
     125            5”
     150            6”
     200            8”
     250           10”
     300           12”
     350           14”
     400           16”
     450           18”
     500           20”
     600           24”
     700           28”
     750           30”
     800           32”
     900           36”
    1000          40”
    1050          42”
    1100          44”
    1200          48”
DISC MATERIAL
A Aluminium Bronze     ASTM B148, Alloy 952
B Bronze                    ASTM B548, Alloy 836
C Carbon Steel            ASTM A216, Gr. WCB
D Ductile Iron             ASTM A536, Gr. 65-45-12
G Cast Iron                ASTM A216, Class B
S Stainless Steel        ASTM A351, Gr. CF8/8M
X Other to be specified
WAFER END
ANSI B16.5, CLASS
BS:4504, PN
BS: 10, Table-
IS: 1538, Table-
IS: 6392, Table-
Other to be specified
 
SEAL MATERIAL
N Buna—N (NBR)        ASTM D2000-BG
V Viton (FPM)            ASTM D2000-HK
M Metal to Metal        ASTM B548, Alloy 836/
                               13Cr/18Cr-8Ni/18Cr-8Ni-MO
X Other to be specified
NATURE OF ENDS
F Flat Face
R Raised Face
J Ring Joint
X Other to be specified
TRIM MATERIAL
S Stainless Steel         ASTM A276,
                                Type—410, 321
X Other to be specified

SPRING MATERIAL
S Stainless Steel         ASTM A316
Y Inconel 600/ x700     ASTM A166
X Other to be specified