15mm (½”) to 50mm (2”)
6812M-NC-Flow over the seat. 6824M-NC-Flow under the seat.
|Body & Bonnet Material|
Standard-Invesment casted SS-ASTM A351 CF8 (DIN1.4301) Optional-Investment casted SS ASTM A351CF8M (DIN1.4408)
|Pressure Temp. rating|
As per ANSI Class 300
Standard- BSP(F), Optional- NPT(F), Socket weld, Flange end, Spigot end ,TC end.
Standard-Soft seat PTFE backed by EPDM. Optional-VITON/EPDM/ Buna Nitrile.
As per ANSI B16.104-1976 PTFE seating class IV Drop Tight/Bubble Tight.
Self adjusting, Spring loaded PTFE packing
Standard-SS AISI 304, Optional-SS AISI 316
On-Off, normally closed.
|Working Fluid Press|
Refer to table below
On steam-continuous 155°C, Intermittent 180°C, EPDM 135°C, VITON 180°C.
|Cylinder, Cover, Body & Piston:|
Glass filled polyamide.
IS 4454 Grade III, duly painted
3.5 to 6 bar (refer to graph)
Valve has built in Namur mounting interface, any standard Namur Solenoid Valve can be fitted.
|Operating Cycles per hour|
15mm, 20mm, 25mm upto 600 cy/hr.,(tested on air, on other fluids this figure may vary).
Refer to graph
Over one million cycles (lab tested in ideal condition)
Air lock, position indicating limit switch box, solenoid valve, filter regulator gauge. Other accessories available on application
For control of air, water, oil, gas, steam in textile, power generation, paper & pulp, chemical, petrochemical industries, PSA nitrogen system, air dryer, gas generator and others.
Generally all models are suitable for back pressure upto 2.5 bar. However for Specific application where higher back pressure is ecpected, refer to 'AVCON'.
R Star Series
Pneumatic On/Off Valves
Pharma & Diaphragm Seated Valves
Angle Seated Valve