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GRUVLOK Metal Pipe Straight: Concentric Reducer, 6 in x 4 in, Ductile Iron - Grooved Pipe Fittings
GRUVLOKGrooved Pipe Fittings

GRUVLOK Metal Pipe Straight: Concentric Reducer, 6 in x 4 in, Ductile Iron

The GRUVLOK Metal Pipe Straight: Concentric Reducer is a grooved pipe fitting in ductile iron, sized 6 in x 4 in, rated to 300 psi @ 150° F (MPN 0390028967). 3G Electric sources this genuine OEM component across 14…

SKU 3G-OTH-460951

Brand
GRUVLOK
Item
Metal Pipe Straight: Concentric Reducer, 6 in x 4 in, Ductile Iron
Category
Grooved Pipe Fittings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390028967
Type
6 in x 4 in, Ductile Iron, 300 psi @ 150° F
Fitting Pipe Size
6 in x 4 in
Maximum Operating Pressure
300 psi @ 150° F
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Metal Pipe Straight: Concentric Reducer is a grooved pipe fitting in ductile iron, sized 6 in x 4 in, rated to 300 psi @ 150° F (MPN 0390028967). 3G Electric sources this genuine OEM component across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

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 two different pipe sizes in a grooved piping system, reducing flow from 6 in to 4 in. It is used in commercial and industrial applications such as HVAC, fire protection, and process piping where ductile iron fittings rated to 300 psi @ 150° F are required.

What are the specifications of the GRUVLOK 6 in x 4 in concentric reducer?

This GRUVLOK grooved pipe fitting is a concentric reducer sized 6 in x 4 in, made of ductile iron, with a maximum operating pressure of 300 psi @ 150° F. The manufacturer part number is 0390028967. It is designed for use in grooved-end piping systems.

Where to buy a GRUVLOK concentric reducer worldwide?

3G Electric supplies the GRUVLOK 6 in x 4 in concentric reducer (MPN 0390028967) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this genuine OEM grooved pipe fitting.

How to install a GRUVLOK grooved pipe reducer?

Installation follows standard grooved-end fitting procedures: lubricate the gasket, place it over the pipe ends, then slide the reducer into position. Align the grooves and secure with coupling housings and bolts torqued to manufacturer specifications. Always verify pressure rating (300 psi @ 150° F) and pipe size compatibility.

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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