6616E / 6619E

6616E / 6619E

3/2 Way Pneumatic Piston Operated Mixing or Diverting Valves With Cylinder Actuator, For On-Off Application (Rust Free Design)

Product Specifications

Size15 mm (1/2″) to 50 mm (2″)
Body & Bonnet MaterialInvestment casted ASTM-A, 351CF8 (St.St. 304) CF8M (St.St. 316).
Pressure Temp. ratingAs per ANSI class 300.
End ConnectionStandard BSP(F)/ NPT(F).
SeatingSoft seated Teflon backed by EPDM. Optional-VITON /EPDM, Buna Nitrile.
LeakageAs per ANSI B16.104 – 1976 Teflon seating class IV. For other soft seating class VI Drop Tight/ Bubble Tight.
TrimS.S. AISI 304/316.
Stem PackingSelf adjusting, Spring loaded Teflon packing.
Working Fluid PressRefer to table below.
Working TemperatureOn steam-continuous 155°C Intermittent 180°C. with Teflon seating, Buna Nitrile 80°C., ]EPDM 135°C., VITON 180°C
CharacteristicOn-Off, normally closed/normally open.
Cylinder CoverS.S. AISI 304 (deep drawn).
Cylinder FlangePressure die casted, aluminium silicon alloy, solution treated and hard anodised.
PistonSteel (deep drawn).
Piston PackingBuna Nitrile.
Actuator SpringIS 4454 Grade III, duly painted.
Act. Working Signal Pressure3.5 to 6 bar, (refer to graph).
Operating Cycles per hour15mm, 20mm, 25mm upto 600 cy/hr. 35mm and 50mm upto300 cy/hr. (tested on air, on other fluids, this figure may vary).
Life ExpectancyOver one million cycles (lab tested in ideal condition).
Air QualityLubricated /Non-lubricated.
Max. OperatingRefer to graph.
AccessoryPosition indicating limit switch box, solenoid valve, filter regulator gauge. Other accessories available on application.
ApplicationFor 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 PressureRefer to table below or 2.5 bar.
Instruction Manual:Refer to IM 6616E/6619E.

Material Diagram