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SHIELD Refrigerant Locking Cap: Brass, 1/4 in Connection, 1 in Lg - Locking Refrigerant Caps
SHIELDLocking Refrigerant Caps

SHIELD Refrigerant Locking Cap: Brass, 1/4 in Connection, 1 in Lg

The SHIELD Refrigerant Locking Cap (MPN SHLD-A2L12) is a brass locking cap with a 1/4 in connection and 1 in length, compatible with R-454B refrigerant. It includes bits and uses a bit and driver unlocking method…

SKU 3G-OTH-71643

Brand
SHIELD
Item
Refrigerant Locking Cap: Brass, 1/4 in Connection, 1 in Lg
Category
Locking Refrigerant Caps
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Technical Specifications

SHIELD
Manufacturer Part Number
SHLD-A2L12
Includes
Bits
Cap Material
Brass
Sleeve Color
Red
Unlocking Method
Bit and Driver
Compatible Refrigerant Type
R-454B
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SHIELD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SHIELD Refrigerant Locking Cap (MPN SHLD-A2L12) is a brass locking cap with a 1/4 in connection and 1 in length, compatible with R-454B refrigerant. It includes bits and uses a bit and driver unlocking method, featuring a red sleeve. This product is designed for use with R-32 and R-454B refrigerants.

Frequently Asked Questions

What is the SHIELD Refrigerant Locking Cap used for?

The SHIELD Refrigerant Locking Cap (MPN SHLD-A2L12) secures service ports on HVAC systems using R-32 or R-454B refrigerant. Its brass construction and bit-and-driver unlocking method prevent unauthorized access, making it ideal for commercial refrigeration and air conditioning applications where refrigerant containment and safety are critical.

What are the specifications of the SHIELD Refrigerant Locking Cap?

The SHIELD Refrigerant Locking Cap (SHLD-A2L12) has a 1/4 in connection, 1 in length, and is made of brass with a red sleeve. It includes bits and uses a bit and driver unlocking method. It is compatible with R-454B refrigerant and designed for R-32 and R-454B systems. The cap material is brass, and the sleeve color is red.

Where to buy the SHIELD Refrigerant Locking Cap worldwide?

3G Electric supplies the SHIELD Refrigerant Locking Cap (SHLD-A2L12) worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this SHIELD locking cap for your HVAC service needs.

How to install the SHIELD Refrigerant Locking Cap?

To install the SHIELD Refrigerant Locking Cap, first ensure the service port is clean and compatible with R-32 or R-454B refrigerant. Screw the brass cap onto the 1/4 in connection by hand until snug. Use the included bit and driver to lock it securely. For removal, reverse the unlocking method. Always follow standard HVAC safety practices.

Used in

Common applications for SHIELD
Commercial refrigeration — SHIELD locking caps (1/4 in, brass) secure service ports on supermarket display cases using R-454B.
HVAC maintenance — SHIELD charging hose (5 ft, Kevlar®) connects manifold gauges to rooftop A/C units with R-32.
Heat pump servicing — SHIELD locking caps (5/16 in) prevent unauthorized access to heat pump refrigerant ports in residential systems.
Industrial chiller systems — SHIELD A2L-compatible caps (red sleeve) ensure compliance with safety codes for mildly flammable refrigerants.
Refrigerant recovery — SHIELD hose (30° angle) facilitates connection to recovery machines for R-32 and R-454B systems.
Facility management — SHIELD locking caps with tamper-resistant bits reduce refrigerant loss in multi-tenant commercial buildings.

SHIELD Products

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

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SHIELD Refrigerant Locking Cap: Brass, 1/4 in Connection, 1 in Lg, R-32/R-454B (MPN SHLD-A2L4). Key specifications — Includes: Tamper-Resistant Bit; Unlocking Method: Bit and Driver; Compatible Refrigerant Type: R-454B; Brand: SHIELD; Cap Material: Brass; Sleeve Color: Red.
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SHIELD Refrigerant Locking Cap: Brass, 1/4 in Connection, 1 in Lg, R-32/R-454B (MPN SHLD-A2L4). Key specifications — Includes: Tamper-Resistant Bit; Unlocking Method: Bit and Driver; Compatible Refrigerant Type: R-454B; Brand: SHIELD; Cap Material: Brass; Sleeve Color: Red.
SHIELD Refrigerant Locking Cap: Brass, 5/16 in Connection, 1 in Lg, R-32/R-454B (MPN SHLD-E12-A2L). Key specifications — Includes: Bits; Unlocking Method: Bit and Driver; Compatible Refrigerant Type: R-454B; Brand: SHIELD; Cap Material: Brass; Sleeve Color: Red.
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SHIELD Refrigerant Locking Cap: Brass, 5/16 in Connection, 1 in Lg, R-32/R-454B (MPN SHLD-E12-A2L). Key specifications — Includes: Bits; Unlocking Method: Bit and Driver; Compatible Refrigerant Type: R-454B; Brand: SHIELD; Cap Material: Brass; Sleeve Color: Red.