Damper Valve
Wafer Type Damper Valve
Size Range: 1½” to 20” (40 MM to 500 MM)
Standard
Butterfly Valve Specification
Valve Type
Wafer Type Damper Valve with Metal to Metal
Body Type
Short Wafer Type (Sandwiched Between Flanges) Damper
Seat Type
Metal to Metal
End Connection
Wafer Sandwiched (Lug Type On Request)
Pressure Rating
PN 6 (Maximum)
Oper. Temp. Range
-25 °C to 400°C (Depending on MOC) (Upto 600°C On Request)
Seat Leakage
5% Leakage of Full Flow (Class 1 available on Request)
Test Pressure Hydraulic
Body 10 Kg/Cm² & Seat 5 Kg/Cm²
Operation
Hand Lever / Worm Gear Operated
Sr. Noes
Description
Material
1
Body
ASTM A 126 Gr. B (Gray Iron)
ASTM A 216 Gr. WCB (Cast Steel)
ASTM A 536 Gr. 65-45-12 (Ductile Iron)
ASTM A 351 Gr. CF8 / CF8M CF3M / CD4MCuN
2
Disc
IS 2062 Gr. B (M.S.) /AISI 304 / AISI 316
3
Shaft
AISI 410 / AISI 304 / AISI 316 / AISI 316L
4
Bush
PTFE
5
Graphoile Ring
Graphite
6
Bering Bush
Metal Bush PTFE Coated
7
Nut & Bolt
S.S. 202 / S.S. 304
8
Bottom Shaft
AISI 410 / AISI 304 / AISI 316 / AISI 316L
9
Graphoile Ring
Graphite
10
Bottom Cover
EN 8
Fabricated Double Flange Damper Valve
Size Range: 8” to 80” (200 MM to 2000 MM)
Standard
Butterfly Valve Specification
Valve Type
Centric Disc Damper Valve
Body Type
Double Flange (Wafer Type On Requ.)
Seat Type
Metal to Metal
End Connection
PN 6, EN 1092 -1 (ASME B 16.47 Series B)
Pressure Rating
5 Kg / Cm²
Oper. Temp. Range
400°C (Depending on MOC) (Upto 850°C On Request)
Seat Leakage
5% Leakage of Full Flow (Class 1 available on Request)
Operation
Gear Operated
Sr. Noes
Description
Material
1
Body
IS 2062 Gr. B (M.S.) /AISI 304 (Fabricated)
2
Disc
IS 2062 Gr. B (M.S.) /AISI 304 (Fabricated)
3
Shaft
AISI 410 / AISI 304
4
Bearing
Standard
5
Gland Pata
Graphite
6
Bush
PTFE
7
Graphite Ring
Graphite
8
Hex Bolt
S.S. 304
9
Seat Ring
IS 2062 Gr. B (M.S.) /AISI 304
10
Bottom Shaft
AISI 410 / AISI 304