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GRUVLOK Metal Pipe Elbow: Concentric Reducer, 4 in x 2 1/2 in, Grooved x Threaded - Grooved Pipe Fittings
GRUVLOKGrooved Pipe Fittings

GRUVLOK Metal Pipe Elbow: Concentric Reducer, 4 in x 2 1/2 in, Grooved x Threaded

The GRUVLOK Metal Pipe Elbow is a concentric reducer grooved pipe fitting, sized 4 in x 2 1/2 in with a Grooved x Threaded connection and 3 in length (MPN 0390138139). This component is designed for industrial piping…

SKU 3G-OTH-460589

Brand
GRUVLOK
Item
Metal Pipe Elbow: Concentric Reducer, 4 in x 2 1/2 in, Grooved x Threaded
Category
Grooved Pipe Fittings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390138139
Type
4 in x 2 1/2 in, Grooved x Threaded
Lg
3 in
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Metal Pipe Elbow is a concentric reducer grooved pipe fitting, sized 4 in x 2 1/2 in with a Grooved x Threaded connection and 3 in length (MPN 0390138139). This component is designed for industrial piping systems requiring a reduction in diameter while maintaining flow direction.

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 a GRUVLOK concentric reducer used for?

A GRUVLOK concentric reducer connects pipes of different diameters in industrial piping systems, reducing flow from 4 in to 2 1/2 in while maintaining direction. It is commonly used in HVAC, fire protection, and process piping where grooved and threaded connections are required.

What are the specifications of the GRUVLOK 0390138139?

The GRUVLOK 0390138139 is a metal pipe elbow concentric reducer with a 4 in x 2 1/2 in size, grooved x threaded connection, and 3 in length. It is a grooved pipe fitting designed for reducing diameter in industrial piping systems.

Where to buy GRUVLOK pipe fittings in worldwide?

3G Electric supplies GRUVLOK pipe fittings worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source and deliver genuine GRUVLOK components like the 0390138139 concentric reducer to any location.

How to install a GRUVLOK grooved x threaded reducer?

Installation requires aligning the grooved end with a compatible coupling and tightening bolts to the manufacturer's torque spec. The threaded end should be sealed with pipe thread compound and hand-tightened plus one to two turns. Always follow GRUVLOK's published installation instructions for proper joint integrity.

Used in

Common applications for GRUVLOK
Fire-protection systems — GRUVLOK ductile iron butterfly valves (e.g., SKU 3DVX7) for water-based sprinkler and standpipe networks.
Chemical processing — GRUVLOK carbon steel butterfly valve with 316 stainless steel disc (SKU 60WR76) for handling corrosive media.
General water distribution — GRUVLOK ductile iron butterfly valve with EPDM seat (SKU 60WR98) for municipal or industrial water lines.
HVAC piping — GRUVLOK grooved-end butterfly valves for chilled water or hot water systems requiring quick installation.
Industrial process control — GRUVLOK lever-operated butterfly valve (SKU 60WR82) for throttling or isolation in chemical media applications.

GRUVLOK Products

3G Electric supplies GRUVLOK grooved pipe fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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