6622E/6623E/ 6624E/ 6625EXX FLG

ABOUT PRODUCT

2/2 Way Pneumatic Piston Operated Normally Closed, Angle Seated Valves,
With Cylinder Actuator for On-Off Application FLANGED DESIGN.

Size

15 mm (1/2") to 80 mm (3")

Body & Bonnet Material

Investment casted ASTM-A, 351CF8 (St.St. 304) CF8M (St.St. 316) & CF3M (St.St.316L).

Pressure Temp. rating

As per ANSI Class 150

End Connection

Flanged to ANSI Class 150.

Seating

Soft seated Teflon

Optional

Viton / EPDM Buna Nitrile.

Leakage

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 Teflon packing

Characteristic

On-Off, normally closed.

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 drawm)

Piston Packing

Buna Nitrile

Actuator Spring

IS 4454 Grade III, duly painted

Act. Working Signal Pressure

3.5 to 5.5 bar, (Refer to Graph).

Operating Cycles per hour

15mm, 20mm, 25mm upto 600 hour cy/hr. 30mm to 80mm upto 500 cy/hr. (tested on Air, on other fluids, this figure may vary). For 65mm and 80mm upto 300 cy/hr.

Life Expectancy

Over one million cycles (lab tested in ideal condition)

Air Quality

Dry, Filtered instrument grade.

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

All models Max. back pressure 2.5 bar.

Instruction Manual:

Refer 6622E/6623E/6625E.

Technical Data

6622E-6623E-6624E-6625E-XX5-FLG.pdf

Diagrams

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