GRUVLOK Metal Pipe Straight: Concentric Reducer, 6 in x 3 in, Ductile Iron
The GRUVLOK Metal Pipe Straight: Concentric Reducer is a grooved pipe fitting in ductile iron, sized 6 in x 3 in, rated for 300 psi @ 150° F (MPN 0390028926). 3G Electric sources this genuine OEM component across 14…
SKU 3G-OTH-460948
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Product Description
The GRUVLOK Metal Pipe Straight: Concentric Reducer is a grooved pipe fitting in ductile iron, sized 6 in x 3 in, rated for 300 psi @ 150° F (MPN 0390028926). 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 pipes of different diameters in grooved piping systems, typically in fire protection, HVAC, or industrial process lines. It transitions flow from a 6 in to a 3 in line while maintaining pressure integrity up to 300 psi @ 150° F.
What are the specifications of the GRUVLOK 6 in x 3 in concentric reducer?
This GRUVLOK concentric reducer is a ductile iron grooved fitting sized 6 in x 3 in, rated for 300 psi @ 150° F. The manufacturer part number is 0390028926. It is designed for use with grooved-end pipe and couplings in commercial and industrial applications.
Where to buy a GRUVLOK concentric reducer worldwide?
3G Electric supplies and delivers the GRUVLOK 6 in x 3 in concentric reducer worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure the genuine OEM component reaches your site, regardless of location.
How to install a GRUVLOK grooved pipe reducer?
Installation follows standard grooved-end fitting practice: 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 alignment and pressure rating before system pressurization.
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Common applications for GRUVLOKGRUVLOK 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.









