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GRUVLOK Couplings: 3 in x 3 in, EPDM Seal, 1,000 psi, Ductile Iron - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Couplings: 3 in x 3 in, EPDM Seal, 1,000 psi, Ductile Iron

The GRUVLOK 3 in x 3 in Grooved Pipe Coupling (MPN 0390113404) is a ductile iron coupling with an EPDM seal and grooved x grooved x grooved connections, rated for a maximum operating pressure of 1,000 psi. 3G…

SKU 3G-OTH-460066

Brand
GRUVLOK
Item
Couplings: 3 in x 3 in, EPDM Seal, 1,000 psi, Ductile Iron
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390113404
Type
EPDM Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved
Maximum Operating Pressure
1,000 psi
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK 3 in x 3 in Grooved Pipe Coupling (MPN 0390113404) is a ductile iron coupling with an EPDM seal and grooved x grooved x grooved connections, rated for a maximum operating pressure of 1,000 psi. 3G Electric interprets demand for this OEM part and delivers it as part of our broad industrial supply across 14 departments, with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What is the GRUVLOK 3 in x 3 in grooved pipe coupling used for?

This GRUVLOK coupling joins three 3-inch grooved-end pipes in fire protection, HVAC, and industrial piping systems. Its ductile iron body and EPDM seal handle pressures up to 1,000 psi, making it suitable for water and certain chemical services.

What are the specifications of the GRUVLOK 0390113404 coupling?

The GRUVLOK 0390113404 is a 3 in x 3 in grooved pipe coupling with a ductile iron body, EPDM seal, and grooved x grooved x grooved connections. Its maximum operating pressure is 1,000 psi. 3G Electric supplies this OEM part globally.

Where to buy GRUVLOK couplings in worldwide?

3G Electric supplies the GRUVLOK 3 in x 3 in grooved pipe coupling to customers worldwide. We handle full logistics and customs clearance, delivering this OEM part as part of our broad industrial supply across 14 departments, including specialist expertise in pumps and controls.

How to install a GRUVLOK grooved pipe coupling?

Installation requires clean, lubricated gaskets and proper alignment of grooved pipe ends. Tighten bolts evenly to the manufacturer's torque specification. 3G Electric can provide sourcing support for this GRUVLOK coupling and related components for your piping system.

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 couplings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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GRUVLOK Clamp Coupling: Clamp, 3 1/2 in x 3 1/2 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390000321). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 3-1/2 in x 3-1/2 in.
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GRUVLOK Clamp Coupling: Rigid Bolted, 5 in x 5 in, Ductile Iron, NBR Seal, 750 psi, 10 in Overall Lg (MPN 0390013704). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 5 in x 5 in.
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