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LEGRIS Push-Fit Wye Fitting: 1/2 in Pipe x 12 mm OD x 12 mm OD Size, Polymer - Nylon & Nickel-Plated Brass Tube Fittings
LEGRISNylon & Nickel-Plated Brass Tube Fittings

LEGRIS Push-Fit Wye Fitting: 1/2 in Pipe x 12 mm OD x 12 mm OD Size, Polymer

The LEGRIS Push-Fit Wye Fitting (MPN 3158 12 21) is a polymer tube fitting with a 1/2 in pipe thread and two 12 mm OD outlets, featuring a 1 1/2 in overall length. This nylon and nickel-plated brass component enables…

SKU 3G-OTH-491958

Brand
LEGRIS
Item
Push-Fit Wye Fitting: 1/2 in Pipe x 12 mm OD x 12 mm OD Size, Polymer
Category
Nylon & Nickel-Plated Brass Tube Fittings
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Technical Specifications

LEGRIS
Manufacturer Part Number
3158 12 21
Type
Polymer
Overall Lg
1 1/2 in
Thread Size A
1/2"
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LEGRIS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LEGRIS Push-Fit Wye Fitting (MPN 3158 12 21) is a polymer tube fitting with a 1/2 in pipe thread and two 12 mm OD outlets, featuring a 1 1/2 in overall length. This nylon and nickel-plated brass component enables branch connections in pneumatic or fluid systems, sourced and supported by 3G Electric across 14 industrial departments.

Frequently Asked Questions

What is a LEGRIS Push-Fit Wye Fitting used for?

A LEGRIS Push-Fit Wye Fitting creates a branch connection in pneumatic or fluid systems, splitting one line into two 12 mm OD outlets. It is commonly used in industrial automation, packaging, and material handling applications where reliable, leak-free tube routing is required.

What are the specifications of the LEGRIS 3158 12 21 fitting?

The LEGRIS 3158 12 21 is a polymer push-fit wye fitting with a 1/2 in pipe thread and two 12 mm OD outlets. It has an overall length of 1 1/2 in and is made from nylon and nickel-plated brass. This part is designed for pneumatic and low-pressure fluid systems.

Where to buy LEGRIS push-fit fittings worldwide?

3G Electric supplies LEGRIS push-fit fittings worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine LEGRIS components like the 3158 12 21 to support your pneumatic system needs anywhere.

How to install a LEGRIS push-fit wye fitting?

To install a LEGRIS push-fit wye fitting, cut the tube square, deburr the end, and push it fully into the fitting until it stops. Ensure the tube is fully seated and pull gently to confirm retention. For threaded connections, use PTFE tape on the 1/2 in pipe thread and tighten by hand plus a quarter turn.

Used in

Common applications for LEGRIS
Pneumatic actuator speed control — LEGRIS miniature flow control valve 7665 04 10 for meter-out regulation on 4 mm tubing
Compressed air isolation for maintenance — LEGRIS lockout valve 7886 11 11 for 1/8 in NPT systems
Fluid shutoff in water or oil lines — LEGRIS brass ball valve 0492 07 17 with 3/8 in FNPT connections
Push-to-connect air distribution — LEGRIS nylon ball valve 7915 56 11 for 1/4 in tubing with male NPT adapter
Safety lockout on BSPP pneumatic circuits — LEGRIS lockout valve 7880 10 17 for 3/8 in BSPP systems
Compact on/off control in tight spaces — LEGRIS nylon ball valve 7913 56 00 with push-to-connect ports for 1/4 in tubing

LEGRIS Products

3G Electric supplies LEGRIS nylon & nickel-plated brass tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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