| Size |
15 mm (1/2″) to 50 mm (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)/ NPT(F). |
| Seating |
Soft seated Teflon backed by EPDM. Optional-VITON /EPDM, Buna Nitrile. |
| Leakage |
As per ANSI B16.104 – 1976 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 Teflon packing. |
| Working Fluid Press |
Refer to table below. |
| Working Temperature |
On steam-continuous 155°C Intermittent 180°C. with Teflon seating, Buna Nitrile 80°C., ]EPDM 135°C., VITON 180°C |
| Characteristic |
On-Off, normally closed/normally open. |
| Cylinder Cover |
S.S. AISI 304 (deep drawn). |
| Cylinder Flange |
Pressure die casted, aluminium silicon alloy, solution treated and hard anodised. |
| Piston |
Steel (deep drawn). |
| 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. 35mm and 50mm upto300 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. |
| Max. Operating |
Refer to graph. |
| Accessory |
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 |
Refer to table below or 2.5 bar. |
| Instruction Manual: |
Refer to IM 6616E/6619E. |
