15 mm (1/2") to 50 mm (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) (SS-304). Optional-Investment casted CF8M(SS-316) (DIN1.4408) (GX6 Cr. Ni MO1810).
|Pressure Temp. rating|
As per ANSI Class 300
Flanged End 
Standard-Soft seat PTFE backed by EPDM. Optional-VITON/EPDM/ Buna Nitrile.
As per ANSI B16.104-1976 PTFE Seating class VI
Standard-SS AISI 304, Optional-SS AISI 316
Self adjusting, Spring loaded PTFE packing
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. 35mm and 50mm upto300 cy/hr. (tested on air, on other fluids, this figure may vary).
Lubricated / Non-lubricated moisture free.
|Max. Oper. Press. Differencial|
Refer to graph.
For control of air, water, oil, gas, steam in textile, power generation, paper & pulp, chemical, petro chemical industries, PSA nitrogen system, air dryer, gas generator etc
Air lock, position indicating limit switch box, solenoid valve, filter regulator gauge. Other accessories available on application
Generally all models are suitable for back pressure upto 2.5 bar. However for specific application where higher back pressure is expected, refer to ‘AVCON’.
R Star Series
Pneumatic On/Off Valves
Pharma & Diaphragm Seated Valves
Angle Seated Valve