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JOHNSON CONTROLS A-4000-138 Air Regulator, 3/8 in NPT, 25 cfm, 0-30 psi, Knob - Johnson Controls FRL Air Regulators
JOHNSON CONTROLSJohnson Controls FRL Air Regulators

JOHNSON CONTROLS A-4000-138 Air Regulator, 3/8 in NPT, 25 cfm, 0-30 psi, Knob

The JOHNSON CONTROLS Compressed Air Regulator: Plastic (SKU A-4000-138, MPN A-4000-138) is a Johnson Controls FRL Air Regulator from the A-4000 series. It features a 3/8 in NPT connection, a flow capacity of 25 cfm…

SKU 3G-OTH-160042

Also listed as: A4000138 · A 4000 138

Brand
JOHNSON CONTROLS
Item
A-4000-138 Air Regulator, 3/8 in NPT, 25 cfm, 0-30 psi, Knob
Category
Johnson Controls FRL Air Regulators
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A-4000-138
Type
25 cfm, 0 psi to 30 psi, Knob
NPT
3/8 in

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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS Compressed Air Regulator: Plastic (SKU A-4000-138, MPN A-4000-138) is a Johnson Controls FRL Air Regulator from the A-4000 series. It features a 3/8 in NPT connection, a flow capacity of 25 cfm, and a pressure range of 0 psi to 30 psi, with a knob adjustment. This unit is designed for compressed air regulation in industrial applications.

Frequently Asked Questions

What is the Johnson Controls A-4000-138 compressed air regulator used for?

The Johnson Controls A-4000-138 compressed air regulator is used to reduce and stabilize incoming air pressure in pneumatic systems. It is ideal for industrial applications requiring precise pressure control from 0 psi to 30 psi, such as in manufacturing, automation, and process control lines.

What are the specifications of the Johnson Controls A-4000-138 air regulator?

The Johnson Controls A-4000-138 air regulator has a 3/8 in NPT connection, a flow capacity of 25 cfm, and an adjustable pressure range of 0 psi to 30 psi. It features a plastic body with a knob adjustment and is part of the A-4000 series. The manufacturer part number is A-4000-138.

Where to buy the Johnson Controls A-4000-138 air regulator worldwide?

3G Electric supplies the Johnson Controls A-4000-138 air regulator worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine Johnson Controls FRL component.

How to install a Johnson Controls A-4000-138 compressed air regulator?

Install the Johnson Controls A-4000-138 regulator by connecting the 3/8 in NPT ports to your compressed air line using appropriate sealant. Mount the unit in a vertical or horizontal position with the knob accessible. Adjust pressure by turning the knob clockwise to increase or counterclockwise to decrease, then lock the setting.

Used in

Common applications for JOHNSON CONTROLS
Industrial refrigeration — Johnson Controls P170SA-1C dual pressure control for compressor protection in ammonia or halocarbon systems
Chiller plant automation — Johnson Controls VA7810-HGA-2 electric globe valve actuator for modulating chilled water flow in VG7000 series valves
Pneumatic HVAC retrofit — Johnson Controls T-4002-302 conversion kit for upgrading existing Robertshaw thermostats in commercial buildings
Cooling tower water management — Johnson Controls V-4332-1007 pneumatically actuated diaphragm valve for 3-way diverting of water flow
Boiler fuel oil pressure monitoring — Johnson Controls P545NCB-25C electronic lube oil pressure control with alarm for burner management systems
Process pressure sensing — Johnson Controls P599AAPS105C pressure transmitter with IP67 rating for washdown zones in food and beverage plants

JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS johnson controls frl air regulators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Aluminum compressed air regulator from the ARO 3000 Series with 3/4 in NPT connection. Provides flow capacity of 290 cfm and adjustable pressure range of 0 to 140 psi via knob control. Used in pneumatic systems to regulate downstream pressure for tools, actuators, and valves
ARO 1000 Series air regulator with aluminum body, 1/8 in NPT ports, flow capacity of 45 cfm, and adjustable pressure range of 0 to 140 psi via knob control. Used in pneumatic systems to regulate and stabilize downstream air pressure for consistent operation of tools and equipment
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ARO 1000 Series air regulator with aluminum body, 1/8 in NPT ports, flow capacity of 45 cfm, and adjustable pressure range of 0 to 140 psi via knob control. Used in pneumatic systems to regulate and stabilize downstream air pressure for consistent operation of tools and equipment
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This ARO 1000 Series air regulator controls downstream pressure in pneumatic systems. It features a 1/4 in NPT port, 59 cfm flow capacity, and 0-140 psi pressure range with knob adjustment. The aluminum body provides corrosion resistance. No gauge included

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