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JB INDUSTRIES Quick Coupler - Manifold Hose Adapters, Couplers & Unions
JB INDUSTRIESManifold Hose Adapters, Couplers & Unions

JB INDUSTRIES Quick Coupler

The JB INDUSTRIES Quick Coupler (MPN A31665) is a brass manifold hose adapter designed for 180° angle connections. It features a 3-inch length and a 5/16-inch male SAE right-hand input, and is A2L compatible.

SKU 3G-OTH-71888

Also listed as: A 31665 · A-31665

Brand
JB INDUSTRIES
Item
Quick Coupler
Part Number
A31665
Category
Manifold Hose Adapters, Couplers & Unions
Available to Order
Also known as:A31665JB INDUSTRIES
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

JB INDUSTRIES
Manufacturer Part Number
A31665
Type
Input 5/16 in Male SAE Right-Hand, A2L Compatible
Material
Brass
Angle
180°
Product Type
Quick Coupler

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JB INDUSTRIES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JB INDUSTRIES Quick Coupler (MPN A31665) is a brass manifold hose adapter designed for 180° angle connections. It features a 3-inch length and a 5/16-inch male SAE right-hand input, and is A2L compatible.

Frequently Asked Questions

What is the JB INDUSTRIES Quick Coupler A31665 used for?

The JB INDUSTRIES Quick Coupler A31665 is a brass manifold hose adapter used for 180° angle connections in HVAC and refrigeration systems. It is A2L compatible, making it suitable for low-flammability refrigerants. This coupler connects hoses to service ports or manifolds with a 5/16-inch male SAE right-hand input.

What are the specifications of the JB INDUSTRIES Quick Coupler A31665?

The JB INDUSTRIES Quick Coupler A31665 has a 3-inch length, a 180° angle, and a 5/16-inch male SAE right-hand input. It is made of brass and is A2L compatible. The manufacturer part number is A31665, and the product type is a quick coupler for manifold hose adapters.

Where to buy the JB INDUSTRIES Quick Coupler A31665 worldwide?

You can source the JB INDUSTRIES Quick Coupler A31665 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this brass quick coupler for HVAC applications.

How to install the JB INDUSTRIES Quick Coupler A31665?

To install the JB INDUSTRIES Quick Coupler A31665, ensure the 5/16-inch male SAE right-hand input is clean and free of debris. Hand-tighten the coupler onto the matching female port, then use a wrench for a secure seal without over-tightening. Always follow system manufacturer guidelines for A2L-compatible components.

Used in

Common applications for JB INDUSTRIES
HVAC/R service — JB Industries evacuation pump oil (ISO-46) for lubricating vacuum pumps during system evacuation.
Refrigeration system maintenance — JB Industries valve cores (A31999-25) for service ports in charging, evacuation, or testing.
Refrigeration metering — JB Industries capillary tubing (TC-31-12) with 0.031 in ID for precise refrigerant flow control.
HVAC system repair — JB Industries capillary tubing (TC-50-100) with 0.05 in ID and 100 ft length for custom metering applications.
Commercial refrigeration — JB Industries capillary tubing (TC-100-10) with 0.1 in ID for higher flow metering needs.
Industrial cooling — JB Industries valve cores and capillary tubing for maintaining refrigerant circuits in process cooling systems.
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JB INDUSTRIES Products

3G Electric supplies JB INDUSTRIES manifold hose adapters, couplers & unions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Brass quick coupler with 5/16 in Female SAE Right-Hand input and 180° angle. Used for secure, quick-disconnect hose connections in manifold and hose adapter applications where space constraints require a compact fitting
JB INDUSTRIES
Brass quick coupler with 5/16 in Female SAE Right-Hand input and 180° angle. Used for secure, quick-disconnect hose connections in manifold and hose adapter applications where space constraints require a compact fitting

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