©Johnstone Supply eCatalog 216
COMMERCIAL CONTROLS Pneumatics
Pneumatic Thermostat • Designed to maintain space comfort in accordance with temperature of air returning to a terminal air conditioning unit • Includes external setpoint adjusting dial • Features tabs for the pointer that permit restricting temperature adjustment range
• Mounts in a variety of positions with the attached bracket • Direct Acting: 15 PSIG • Reverse Acting: 20 PSIG WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Each
Order #
Mfg. #
L39-513
T-3300-1
1899.00
Valve Actuators • For use with VG1000 series ball valves • Single screw, direct mounting • Reversible mounting design simplifies set-up of valve spring return position
• Compact design to accommodate limited space applications
Order # Mfg. #
Type
Torque
Control Signal
L41-790 L46-279
VA9104-GGA-2S Non-Spring Return 35 lb-in Proportional 0(2) to 10VDC, 0(4) to 20mA
VA9203-GGA-2Z Spring Return
27 lb 70 lb
0-10VDC/4-20mA 0-10VDC/4-20mA
L46-280 VA9208-GGA-3 Spring Return
Valve Actuators • Direct coupled, no linkage required • Controls hot water, chilled water, glycol solutions and steam • Long life replaceable ring packing provides highest reliability and longest life • Fluid temperature range: 35 to 284°F (2 to 140°C) • Voltage: 24VAC, 50/60 Hz
• L46-602 and L46-603 include selector switches that allow field conversion from proportional control to floating or on/off control • Control signal for On/Off • Floating models are 24VAC/VDC • Proportional models are 0(2) to 10VDC, 0(4) to 20mA Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
A
Fig. Order #
Mfg. #
Type
Torque Control Signal
L46-597 L46-598 L46-599 L46-600 L46-601 L46-602 L46-603
A A A B B C C
VA-4233-AGA-2 VA-4233-BGA-2 VA-4233-GGA-2 VA7810-AGA-2 VA7810-HGA-2 VA7820-HGA-2 VA7830-HGA-2
Spring Return Spring Return Spring Return Non-Spring Non-Spring
61lb Floating 61lb On/Off
61lb Proportional 180lb On/Off (Floating) 180lb Proportional
Spring Return (Spring Up)
180lb On/Off (Floating) and Proportional
B
C
Spring Return (Spring Down) 180lb On/Off (Floating) and Proportional
Valve Actuator • For use with VG7000 series globe valves • Provides floating/incremental control of valves with up to 5/16" stroke • Compact assembly size fits most unit vent, baseboard, and other small coil applications
• Reversible synchronous motor accurately positions valve • Includes stem retainer, clip kit and wire nuts WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Order #
Mfg. #
Type
Torque
Control Signal
L41-791
VA-8020-1
Non-Spring Return
22 lb-in
Floating/Incremental 24VAC
399
JohnstoneSupply.com
Made with FlippingBook Annual report maker