6816M / 6819M
ABOUT PRODUCT
3/2-Way Pneumatic Piston Operated Valve for Mixing or Diverting Application with Linear Pneumatic Actuator
For On-Off Application (Rust Free Design).
| Size | 15mm (½”) to 50mm (2”) |
|---|---|
| Body & Bonnet Material | Investment casted ASTM-A, 351CF8 (St.St. 304) CF8M (St.St. 316). |
| Pressure Temp. rating | As per ANSI Class 300 |
| End Connection | Standard BSP(F) Optional-NPT(F) |
| Seating | Soft seated Teflon backed by EPDM. Optional-VITON /EPDM, Buna Nitrile. |
| Leakage Class | As per ANSI FCI 70-2, Teflon seating class IV. For other soft seating class VI Drop Tight/Bubble Tight. |
| Trim | S.S. AISI 304/316. |
| Stem Packing | Self adjusting, Spring loaded PTFE packing |
| Characteristic | On-Off, normally closed / normally open |
| Working Fluid Press | Refer to table below |
| Working Temperature | On steam- continuous :155°C, Intermittent 180°C, with PTFE seating, Buna Nitrile 80°C, EPDM 135°C, VITON 180°C |
| Cylinder, Cover, Body & Piston: | Glass filled polyamide., S.S. investment casted |
| Piston Packing | Buna Nitrile |
| Actuator Spring | IS 4454 Grade III, duly painted |
| Act. Working Signal Pressure | 3.5 to 6 bar (refer to graph) |
| Operating Cycles per hour | 15mm, 20mm, 25mm upto 600 cy/hr.,(tested on air, on other fluids this figure may vary). |
| Life Expectancy | Over one million cycles (lab tested in ideal condition) |
| Air Quality | Lubricated /Non-lubricated. |
| Accessory | Air lock, position indicating limit switch box, solenoid valve, filter regulator gauge. Other accessories available on application |
| Application | 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 and in process plants. |
| 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’. |
Technical Data
6816-6819M.pdf
Diagrams
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