6616E / 6619E

ABOUT PRODUCT

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

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.

Technical Data

6616E-6619E.pdf

Diagrams

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