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SHIELD Refrigerant Locking Cap: Brass, 5/16 in Connection, 1 in Lg - Locking Refrigerant Caps
SHIELDLocking Refrigerant Caps

SHIELD Refrigerant Locking Cap: Brass, 5/16 in Connection, 1 in Lg

The SHIELD Refrigerant Locking Cap (MPN SHLD-E12-A2L) is a brass locking cap designed for use with R-454B refrigerant. It features a 5/16 in connection and 1 in length, with a red sleeve and an unlocking method that…

SKU 3G-OTH-71660

Brand
SHIELD
Item
Refrigerant Locking Cap: Brass, 5/16 in Connection, 1 in Lg
Category
Locking Refrigerant Caps
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Technical Specifications

SHIELD
Manufacturer Part Number
SHLD-E12-A2L
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-E12-A2L) is a brass locking cap designed for use with R-454B refrigerant. It features a 5/16 in connection and 1 in length, with a red sleeve and an unlocking method that requires a bit and driver. The cap includes bits and is compatible with R-454B refrigerant.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SHIELD Refrigerant Locking Cap used for?

The SHIELD Refrigerant Locking Cap (MPN SHLD-E12-A2L) secures R-454B service ports on HVAC systems. Its brass construction and bit-and-driver unlocking method prevent unauthorized access, refrigerant loss, and tampering. It is commonly used in commercial refrigeration and air conditioning maintenance.

What are the specifications of the SHIELD Refrigerant Locking Cap?

The SHIELD Refrigerant Locking Cap (SHLD-E12-A2L) has a 5/16 in connection, 1 in length, brass cap material, and red sleeve. It is compatible with R-454B refrigerant and includes bits. The unlocking method requires a bit and driver. It is not compatible with R-32.

Where to buy SHIELD Refrigerant Locking Cap worldwide?

3G Electric supplies the SHIELD Refrigerant Locking Cap (SHLD-E12-A2L) worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this SHIELD product globally.

How to install the SHIELD Refrigerant Locking Cap?

To install the SHIELD Refrigerant Locking Cap, hand-tighten the brass cap onto the 5/16 in service port until snug. Use the included bit and driver to lock it securely. Do not overtighten. For removal, insert the bit and driver to unlock. Follow standard HVAC safety practices for R-454B systems.

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, 1/4 in Connection, 1 in Lg, R-32/R-454B (MPN SHLD-A2L12). 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, 1/4 in Connection, 1 in Lg, R-32/R-454B (MPN SHLD-A2L12). Key specifications — Includes: Bits; Unlocking Method: Bit and Driver; Compatible Refrigerant Type: R-454B; Brand: SHIELD; Cap Material: Brass; Sleeve Color: Red.