The Valvair II valve is a robust, versatile valve that is well suited for general to harsh industrial applications, such as concrete aggregate plants and steel mills. It offers flow factors up to 12 Cv. The valve can be installed as a single inline or subbase valve for point-of-use applications, or mounted on segmented manifolds for centralized applications. A variety of operators are available from air piloted to solenoid air piloted, with direct conduit or junction box electrical connection. The valves are field converted from standard internal to external pilot operated service, and are suitable for non-lube operation. Dynamic urethane o-rings with an off-center parting line, coupled with Nituf coated and hardened aluminum spools, create a valve with improved lubrication retention and low friction operation. Sandwich pressure regulators can also be added to the valve stack to control air pressure at each valve application.

• Function(s): 5/2 , 5/3
• Operations: Solenoid Air & Remote Pilot Operated
• Manual Operator: Non-Locking and Locking Manual Overrides
• Mounting Type: Inline, Manifold, Single Subbase
• Port Sizes (inch): 3/8, 1/2, 3/4, 1, 1-1/4
• Port Type: NPT
• Flow Min (Cv): 4.5
• Flow Max (Cv): 12
• Voltage Range: 12VDC to 240AC
• Solenoid Connection Type(s): Conduit, JIC
• Certifications/Approvals: General Purpose CSA, Hazardous Duty : UL & CSA,  NEMA 4 options
• Pressure Range (psig):  0 to 250
• Pressure Range (bar): 0 to 17
• Solenoid Minimum Operating Pressure (psig): 35
• Temperature Range (c): 0 to 93
• Temperature Range (F): 0 to 200
• Media: Air 
• Lubrication: Non Lube
• Body Material: Aluminum Alloy
• Seal Material: Nitrile
• Coil Rating: Class B
• Unique Feature: Sandwich Regulators  

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Item #

Operator

Size

Duty Cycle

Voltage

Nominal Cv

L66 43121145 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 12 VDC N/A 4.8
L66 43121149 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 24 VDC N/A 4.8
L66 43121153 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 120 VAC, 60 Hz N/A 4.8
L66 43121157 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 110 VAC, 50 Hz N/A 4.8
L66 43121545 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 12 VDC N/A 4.8
L66 43121549 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 24 VDC N/A 4.8
L66 43121553 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 120 VAC, 60 Hz N/A 4.8
L66 43121557 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 110 VAC, 50 Hz N/A 4.8
L66 43122145 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 12 VDC N/A 4.8
L66 43122149 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 24 VDC N/A 4.8
L66 43122153 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 120 VAC, 60 Hz N/A 4.8
L66 43122157 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 110 VAC, 50 Hz N/A 4.8
L66 43122545 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 12 VDC N/A 4.8
L66 43122549 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 24 VDC N/A 4.8
L66 43122553 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 120 VAC, 60 Hz N/A 4.8
L66 43122557 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 110 VAC, 50 Hz N/A 4.8
L66 43123145 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 12 VDC N/A 4.8
L66 43123149 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 24 VDC N/A 4.8
L66 43123153 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 120 VAC, 60 Hz N/A 4.8
L66 43123157 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 110 VAC, 50 Hz N/A 4.8
L66 43123545 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 12 VDC N/A 4.8
L66 43123549 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 24 VDC N/A 4.8
L66 43123553 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 120 VAC, 60 Hz N/A 4.8
L66 43123557 N/A Remote N/A 3/8" Basic N/A Continuous Service Solenoid N/A 110 VAC, 50 Hz N/A 4.8
L66 43321145 N/A Remote N/A 3/8" Basic N/A Standard Service Solenoid or Remote N/A 12 VDC N/A 4.8
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