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ASCO


2 WAY
Cryogenic Service & Liquid CO2
Brass Body - ¹/8" to 1½" N.P.T.
Cryo/LCO2
Series
Cryo/LCO2 Series Valve
Gneral Description
These solenoid valves withstand the severe service encountered in controlling cryogenic fluids such as liquid oxygen (-297°F), liuquid argon (-303&def;F) and liquid nitrogen (-320°F).
All suffix "LT" valves are degreased, cleaned and tested to keep them free of moisture. In addition, these valves are "black light" tested for hydrocarbons.
Series 8264 Liquid CO2 valves are suitable for remote mounting of for direct mounting to the refrigerated component by using the four-hole bracket provided.
Important Install tubing with an inside diameter no larger than the valve orifice in the outlet port to locate the refrigeration point ddownstream of the the valve and to prevent freezing of the expanding CO2 inside the valve body.

Specifications
Standard Solenoid Enclosures: Valves listed in this series have Red-Hat II molded epoxy solenoids with Types 1, 2, 3, 3S 4 and 4X protection.

Optional Enclosures:
Types 3, 3S, 4, 4X, 6, 6P, 7 and 9 Combination Explosionproof and Watertight. To order, add prefix "EF" to catalog number.


Electrical: Standard Voltages: 24, 120, 240, 480 volts, AC, 60 Hz (or 110, 220 volts, AC, 50 Hz)

6, 12, 24, 120, 240 volts, DC

Other voltages are available when required.

Coil: Continuous duty molded Class F or H, as listed.

Nominal Ambient Temperature Ranges: AC Construction: 32°F to 125°F.

DC Construction: 32°F to 104°F

Nominal Fluid Temperature Ranges:
AC Cryogenic Valves: -320°F to +150°F
DC Cryogenic Valves: -320°F to +120°F
All Lquid CO2 Valves: -75°F to +120°F


Valve Parts in Contact with Fluids:
Body -- Cryogenic Valves: Brass; Liuquid CO2 Valves: nickel-plated brass
Seals -- PTFE adn/or lead-free copper
Disc -- PTFE
Core and Plugnut -- 430F stainless steel or 49 FM alloy
Core Spring -- 302 stainless steel
Shading Coil -- Copper
Seats (8264 Series) -- stainless steel
Liquid CO2 Valve Seals and Discs -- Urethane

Approvals: CSA certified.

Ordering Information: Important: We must have catalog number, voltage and Hertz, operating pressure and fluid handled.

Pipe
Size
(ins.)
Orifice
Size
(ins.)
CV
Flow
Factor
Operating Pressure Differential (psi) Standard Solenoid Enclosures
Red-Hat II - Types 1, 2, 3, 3S, 4 and 4X
Watt Rating/
Class of Coil
Insulation
Min. Max
AC DC Catalog
Number
AC DC
Cyrogenic Service - Normally Closed (Closed when de-energized)
¹/8 ¹/8 0.35 0 130 75 8263G240LT 12.1/F 11.6/F
¼ ¹/8 0.35 0 130 -- 8262G22LT 12.1/F --
¼ 7/32 0.56 0 100 30 8263G205LT 17.1/F 11.6/F
¼ 9/32 0.70 0 40 18 8263G209LT 12.1/F 11.6/F
³/8 ¹/8 0.35 0 130 75 8263G232LT 17.1/F 11.6/F
³/8 7/32 0.56 0 100 30 8263G206LT 17.1/F 11.6/F
³/8 9/32 0.70 0 40 18 8263G210LT 12.1/F 11.6/F
½ 5/8 3.8 0 90 50 8222G2LT 17.1/F 40.6/H
¾ ¾ 5.8 0 90 50 8222G3LT 17.1/F 40.6/H
1 1 13.5 5 200 100 8210G78LT 17.1/F 40.6/H
1 ¼ 1 ¹/8 15 5 200 100 8210G80LT 17.1/F 40.6/H
1 ½ 1 ¼ 22.5 5 200 100 8210G82LT 17.1/F 40.6/H
Liquid CO2 Service - Normally Closed (Closed when de-energized)
¹/8 ³/64 0.06 0 1000 1000 8264G9 9.8/F 18.6/F
¹/8 ³/32 0.20 0 300 300 8264G10 9.8/F 18.6/F

 

 

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