15mm (½”) to 50mm (2”)
|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).
Standard-Soft seat PTFE backed by EPDM. Optional-VITON/EPDM/ Buna Nitrile.
Standard-SS AISI 304, Optional-SS AISI 316
On-Off, Normally Open
On steam-continuous 155°C, Intermittent 180°C, EPDM 135°C, VITON 180°C.
3.5 to 6 bar (refer to graph)
|Operating Cycles per hour|
15mm, 20mm, 25mm upto 600 cy/hr., 35mm and 50mm upto 300cy/hr.(tested on air, on other fluids this figure may vary).
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’.
6822M-NO-Flow over the seat. 6844M-NO-Flow under the seat.
|Pressure Temp. rating|
As per ANSI Class 300
Standard- BSP(F), Optional- NPT(F), Socket weld, Flange end, Spigot end ,TC end.
As per ANSI B16.104-1976 PTFE seating class IV Drop Tight/Bubble Tight.
Self adjusting, Spring loaded PTFE packing
|Working Fluid Press|
Refer to table below
IS 4454 Grade III, duly painted
Valve has built in Namur mounting Solenoid Valve can be fitted
Refer to graph. Pressure differential
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.
6822M / 6844M
2/2-Way Angled Metal Body Valve with Engineering Plastic-Piston Actuator. For On-Off Application (Rust Free Design),Normally Open Type.6822M For Flow Over The Seat,6844M For Flow Under The Seat
R Star Series
Pneumatic On/Off Valves
Pharma & Diaphragm Seated Valves
Angle Seated Valve