GRUVLOK Metal Pipe Straight: Concentric Reducer, 8 in x 3 in, Ductile Iron
The GRUVLOK Metal Pipe Straight: Concentric Reducer (SKU 60XR30) is a grooved pipe fitting in ductile iron, sized 8 in x 3 in, rated for 300 psi @ 150° F. 3G Electric sources this OEM part (MPN 0390029106) across 14…
SKU 3G-OTH-461022
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Product Description
The GRUVLOK Metal Pipe Straight: Concentric Reducer (SKU 60XR30) is a grooved pipe fitting in ductile iron, sized 8 in x 3 in, rated for 300 psi @ 150° F. 3G Electric sources this OEM part (MPN 0390029106) across 14 industrial departments, with specialist expertise in combustion, pumps and controls to ensure the right fit for your system.
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 3 in. It is commonly used in fire protection, HVAC, and industrial process lines where ductile iron fittings rated for 300 psi @ 150° F are required.
What are the specifications of the GRUVLOK 8 in x 3 in concentric reducer?
The GRUVLOK concentric reducer (MPN 0390029106) is a grooved pipe fitting in ductile iron, sized 8 in x 3 in, with a maximum operating pressure of 300 psi @ 150° F. It is designed for straight pipe connections and is sourced by 3G Electric across 14 industrial departments.
Where to buy a GRUVLOK concentric reducer worldwide?
3G Electric supplies the GRUVLOK concentric reducer (MPN 0390029106) to customers worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this OEM part across 14 departments, including combustion, pumps and controls, to ensure the right fit for your system.
How to select the right GRUVLOK concentric reducer for a system?
To select the correct GRUVLOK concentric reducer, match the fitting pipe size (8 in x 3 in) and pressure rating (300 psi @ 150° F) to your system requirements. Verify the ductile iron material is compatible with your fluid and temperature. 3G Electric can help confirm the right part for your application.
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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.









