Swing Check Valves
Indian/Glando Swing
check valves are ideally suitable for vertical and
horizontal application. A range of Check Valves (Non-Return
Valves) suitable for oil, gas, water, refining, power and
chemical applications where the prevention of flow reversal is
mandatory. Indian/Glando Check Valves are Bolted cover design up to
600# and above pressure seal design.
Stellited trims
are provided for all above 600# as a manufacturing standard of
“Indian/Glando” valves and in lower rating also on
request.
Indian/Glando Swing
Check valves are available under any Third party inspection
including IBR (Indian Boiler Regulation). Swing Check valves
can be supplied with Titling disc design, Counter weight or
Dash pot arrangement.
Swing Check Valve
| Stnadards: |
|
| Design Standard |
BS 1868/API 6D |
| Inspection & Testing
Standard |
BS 6755/API 6D |
| Face To Face |
As Per ANSI B 16.10 |
| End Connection |
Flanged End To ANSI B 16.5/BS 10
Table
Buttweld End To ANSI B 16.25 |
| Size Range |
1" To 24" |
| Pressure Rating |
150# To 1500# |
| Material Specification: |
| Body / Cover / Hinge |
ASTM A 216 GR. WCB
ASTM A 217 GR.
WC1/WC6/WC9/WC11
ASTM A 352 GR. LCB/LC3
ASTM A 351
GR. CF 8 /CF 8M/CF 3/CF 3M/CN 7M
IS 210 GR. FG
200/220/250/260 |
| Disc |
AISI 410 (13% Cr.) /AISI 304/316/304L/316L/Alloy
20 |
| Seat |
AISI 410 (13% Cr.) /AISI 304/316/304L/316L/Alloy
20 |
| Hinge Pin |
AISI 410 (13% Cr.) /AISI 304/316/304L/316L/Alloy
20 |
| Gasket |
CAF/Grafoil/S.S. Spiral Wound With
CAF/Grafoil/P.T.F.E. |
| Disc Lock Nut |
A 194 GR. 2H/S.S. 304/316 |
| Stud & Nut |
ASTM A 193 GR. B7/ A 194 GR. 2H/S.S.
304/316 |
Dual Plate Check Valve (NRV)
Indian/Glando Dual
Plate, Wafer Check Valve has One Piece cast heavy stronger
Body configuration provides reduced weight and size compare to
a swing check valve or lift check valve. This results savings
in Initial cost, space and pipe support element installation.
The Dual Plate,
Wafer Check Valve employs two-spring-loaded plates hinged on a
central hinge pin. When the flow decreases, the plates close
by the action of torsion spring before flow reversal takes
place. All features put together make the Dual Plate Check
Valve as the most efficient & versatile design. It is also
referred to as SILENT CHECK VALVE
It is much easier
to install between standard gaskets and line flanges, and
therefore is more cost effective to install and to maintain.
Its design
complies with API 594 and API 6D, testing with API 598.
Features:
-
Light Weight,
Versatile Design, and 80 to 90% lighter then conventional
full body check valve.
-
Reduces pipe
supports, simplifies piping, easier, less costly
installation.
-
Spring Loaded
double door design has low cracking pressure.
-
Disc open 80% to
ensure positive closing
-
Materials and
trims available for all services within temperature range.
-
Rubber To Metal
or Metal To Metal Seat available
-
Neoprene,
Buna-N, EPDM, Viton®, Silicon etc.
| Standard: |
| Design
Standard |
API 6D / API 594 |
| Testing
Standard |
API 598 |
| Pressure Class |
150# to 300# |
| End Connection |
Wafer Type,
Flangeless
Suitable To Mount Between
ANSI B
16.5/BS 10 Table/DIN/JIS/IS Flange |
| Nomeclature: |
| Body |
IS 210 GR. FG
200/220
ASTM A 216 GR. WCB
ASTM A 217 GR. WC 1 /
WC 6 /WC 9 / WC 11
ASTM A 352 GR. LCB / LC 3
ASTM
A 351 GR. CF 8 / CF 8M / CF 3/CF 3M |
| Disc |
ASTM A 216 GR.
WCB
ASTM A 217 GR. WC 1 / WC 6 /WC 9 / WC 11
ASTM
A 352 GR. LCB / LC 3
ASTM A 351 GR. CF 8 / CF 8M / CF
3/CF 3M |
| Hinge/Stop Pin |
AISI 410 / 304 / 316 /
304L / 316L |
| Seat (Moulded) |
Neoprene / Nitrile /
Buna-N/ NBR / EPDM /Silicon / Viton
Spring : S.S. 304
/ 316 / 304L / 316 L
Lifting Hook : C.S. / S.S 304 /
316 |
|
