Product description
Body & Bonnet Material: | Investment casted ASTM-A, 351CF8 (St.St. 304) CF8MSt.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. |
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 Teflon seating, Buna Nitrile 80°C., ]EPDM 135°C., VITON 180°C |
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. |
Acuator Working: | 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. |
Accessories : | 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. |