 |
Diaphragm
Control Valve - Technical Specifications |
 |
|
|
| DESIGN |
Confirm
to BS - 5156 |
|
| BODY
TYPE |
Weir
( Lined or Unlined ) |
|
| VALVE
SIZE |
15mm to
300mm ( 1/ 2” to 12” ) |
|
| END
CONNECTION |
ANSI
B 16.1Class 150 |
|
| BODY
MATERIAL |
Cast Iron
( IS 210 gradeFG 200 )
Cast Steel, Other alloys on request |
|
| LINING
MATERIAL |
Ebonite,
PVDF, PFA,PP,EPDM,Glass etc |
|
| LINING
HARDNESS |
Ebonite-95°
± 5 Shore A
Natural/Neo Rubber-55° ± 5 Shore
A
Teflon-Rockwell/Shore R100 D78 or
D62 Glasslining & FRP-Parcol Parcol
40 Respectively |
|
| LINING
THICKNESS |
15
to 65 mm Valve - 3.0 mm
80 to 100 mm Valve - 3.5 mm
125 to 150 mm Valve - 4.0 mm
200 to 300 mm Valve - 5.0 mm
Teflon Coating Thickness–800 micron,
Glass Lining – 1.5mm |
|
| BODY
DIAPHRAGM |
Neoprene,
Teflon Backed with Neoprene Butyl, Viton,
Hyplon, Nitrile, EPDM |
|
| LEAKAGE
RATE |
As
per ANSI B 16.104 Class VI
(100% Leak tight) |
|
| TEMPERATURE |
- 30°C
to 80°C |
|
| FLOW
CHARACTERISTICS |
On/Off,
Throttling |
|
TESTING
STANDARD
|
BS 6755
Part - I |
|
| ACTUATOR
TYPE |
Diaphragm
or Motorised or Cylinder |
|
| ACTUATOR
ACTION |
Direct
/ Reverse Acting
Normally Open ( Air to Close )
Normally Closed ( Air to Open ) |
|
| SPRING
RANGE |
3
– 15 PSIG ( 0.2 – 1.0 Kg/cm²
)
6 – 30 PSIG ( 0.4 – 2.0 Kg/cm²
) |
|
| AIR
SUPPLY |
20 –
50 PSIG (1.4 – 3.5 Kg/cm² ) |
|
| AIR
CONNECTION |
1/
4” or 1/ 2” NPT |
|
HAND
WHEEL
|
Top or
Side Mounted Handwheel |
|
ACCESSORIES
OPTIONAL |
Pneumatic
Valve Positioner,
Electro Pneumatic Valve Positioner,
Air Filter Pressure Regulator,
Limit Switches,
Proximity Switches etc. |
|
|
|
|
|
