| Size | 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). |
| Seating | Standard-Soft seat PTFE backed by EPDM. Optional-VITON/EPDM/ Buna Nitrile. |
| Trim | Standard-SS AISI 304, Optional-SS AISI 316 |
| Characteristic | On-Off, Normally Open |
| Working Temperature | On steam-continuous 155°C, Intermittent 180°C, EPDM 135°C, VITON 180°C. |
| Pilot Pressure | 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). |
| Accessory | Air lock, position indicating limit switch box, solenoid valve, filter regulator gauge. Other accessories available on application |
| Back Pressure | 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’. |
| Construction | 6822M-NO-Flow over the seat. 6844M-NO-Flow under the seat. |
| Pressure Temp. rating | As per ANSI Class 300 |
| End Connection | Standard- BSP(F), Optional- NPT(F)[1], Socket weld[2], Flange end[5], Spigot end [6],TC end[7]. |
| Leakage | As per ANSI B16.104-1976 PTFE seating class IV Drop Tight/Bubble Tight. |
| Stem Packing | Self adjusting, Spring loaded PTFE packing |
| Working Fluid Press | Refer to table below |
| Piston Packing | Buna Nitrile |
| Actuator Spring | IS 4454 Grade III, duly painted |
| Solenoid Mounting | Valve has built in Namur mounting Solenoid Valve can be fitted |
| Air Quality | Lubricated/Non-lubricated |
| Max. Operating | Refer to graph. Pressure differential |
| 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. |
6822M / 6844M
ABOUT PRODUCT
Plastic-Piston Actuator
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
Technical Data
6822M-and-6844M.pdf
Diagrams
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