Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
JB INDUSTRIES Locking Refrigerant Cap - Locking Refrigerant Caps
JB INDUSTRIESLocking Refrigerant Caps

JB INDUSTRIES Locking Refrigerant Cap

The JB INDUSTRIES Refrigerant Locking Cap is a brass locking cap with a 5/16 in connection and 2 9/16 in length, designed for universal refrigerant compatibility. It includes bits and uses a bit and driver unlocking…

SKU 3G-OTH-71606

Also listed as: SHLDE50 · SHLD E50

Brand
JB INDUSTRIES
Item
Locking Refrigerant Cap
Part Number
SHLD-E50
Category
Locking Refrigerant Caps
Available to Order
Also known as:SHLD-E50JB INDUSTRIES
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

JB INDUSTRIES
Manufacturer Part Number
SHLD-E50
Includes
Bits
Cap Material
Brass
Unlocking Method
Bit and Driver
Compatible Refrigerant Type
Universal

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The JB INDUSTRIES Refrigerant Locking Cap is a brass locking cap with a 5/16 in connection and 2 9/16 in length, designed for universal refrigerant compatibility. It includes bits and uses a bit and driver unlocking method. This product is identified by manufacturer part number SHLD-E50.

Frequently Asked Questions

What is the JB INDUSTRIES Refrigerant Locking Cap used for?

The JB INDUSTRIES Refrigerant Locking Cap (SHLD-E50) secures refrigerant service ports on HVAC systems. It prevents unauthorized access and refrigerant loss. Made of brass with a 5/16 in connection, it is compatible with universal refrigerants and includes bits for unlocking with a bit and driver.

What are the specifications of the JB INDUSTRIES Refrigerant Locking Cap?

The JB INDUSTRIES Refrigerant Locking Cap (SHLD-E50) is made of brass, has a 5/16 in connection, and is 2 9/16 in long. It uses a bit and driver unlocking method, includes bits, and is compatible with universal refrigerants. The manufacturer part number is SHLD-E50.

Where to buy the JB INDUSTRIES Refrigerant Locking Cap worldwide?

3G Electric supplies the JB INDUSTRIES Refrigerant Locking Cap (SHLD-E50) worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this brass locking cap for your HVAC needs.

How to install the JB INDUSTRIES Refrigerant Locking Cap?

To install the JB INDUSTRIES Refrigerant Locking Cap (SHLD-E50), hand-tighten the brass cap onto the 5/16 in service port. Use the included bit and driver to lock it securely. Ensure the port is clean and free of debris. For removal, use the same bit and driver to unlock.

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.
Not sure this is the right part? Photo-identify it→

JB INDUSTRIES Products

3G Electric supplies JB INDUSTRIES locking refrigerant caps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

More from JB INDUSTRIES

View all JB INDUSTRIES parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first