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GRUVLOK Metal Pipe Straight: Concentric Reducer, 8 in x 5 in, Ductile Iron - Grooved Pipe Fittings
GRUVLOKGrooved Pipe Fittings

GRUVLOK Metal Pipe Straight: Concentric Reducer, 8 in x 5 in, Ductile Iron

The GRUVLOK Metal Pipe Straight: Concentric Reducer (SKU 60XR31) is a grooved pipe fitting in ductile iron, sized 8 in x 5 in, rated for 300 psi @ 150° F. 3G Electric sources this OEM part (MPN 0390029189) across 14…

SKU 3G-OTH-460969

Brand
GRUVLOK
Item
Metal Pipe Straight: Concentric Reducer, 8 in x 5 in, Ductile Iron
Category
Grooved Pipe Fittings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390029189
Type
8 in x 5 in, Ductile Iron, 300 psi @ 150° F
Fitting Pipe Size
8 in x 5 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 (SKU 60XR31) is a grooved pipe fitting in ductile iron, sized 8 in x 5 in, rated for 300 psi @ 150° F. 3G Electric sources this OEM part (MPN 0390029189) across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

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 8 in to 5 in. It is commonly used in fire protection, HVAC, and industrial water supply lines where ductile iron fittings rated for 300 psi @ 150° F are required.

What are the specifications of the GRUVLOK 8 in x 5 in concentric reducer?

The GRUVLOK concentric reducer (MPN 0390029189) is a grooved pipe fitting in ductile iron, sized 8 in x 5 in. It has a maximum operating pressure of 300 psi @ 150° F. This OEM part is designed for straight pipe connections in industrial piping systems.

Where to buy a GRUVLOK 8 in x 5 in concentric reducer worldwide?

3G Electric supplies the GRUVLOK 8 in x 5 in concentric reducer (MPN 0390029189) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this ductile iron grooved fitting.

How to install a GRUVLOK grooved concentric reducer?

Installation follows standard grooved coupling procedures: lubricate the gasket, place it over the pipe ends, then slide the reducer into position. Tighten coupling bolts evenly to the manufacturer's torque specification. Always verify pipe alignment and pressure rating (300 psi @ 150° F) before system pressurization.

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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