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GRUVLOK Clamp Coupling: Bolted, 6 in x 6 in, Ductile Iron, NBR Seal, 300 psi - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Bolted, 6 in x 6 in, Ductile Iron, NBR Seal, 300 psi

The GRUVLOK Clamp Coupling is a bolted grooved pipe coupling in ductile iron with an NBR seal, sized 6 in x 6 in and rated for a maximum operating pressure of 300 psi. This coupling has an overall length of 12 7/8 in…

SKU 3G-OTH-468380

Brand
GRUVLOK
Item
Clamp Coupling: Bolted, 6 in x 6 in, Ductile Iron, NBR Seal, 300 psi
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390007631
Type
6 in x 6 in, Ductile Iron, NBR Seal, 300 psi
Overall Lg
12 7/8 in
Fitting Pipe Size
6 in x 6 in
Maximum Operating Pressure
300 psi
View Full Spec Sheet

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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling is a bolted grooved pipe coupling in ductile iron with an NBR seal, sized 6 in x 6 in and rated for a maximum operating pressure of 300 psi. This coupling has an overall length of 12 7/8 in (MPN 0390007631). 3G Electric sources this genuine GRUVLOK component across 14 industrial departments, with specialist expertise in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is a GRUVLOK clamp coupling used for?

A GRUVLOK clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a rigid or flexible connection rated up to 300 psi, using a ductile-iron housing and NBR seal for reliable sealing in water and light oil services.

What are the specifications of the GRUVLOK 0390007631 coupling?

This GRUVLOK coupling is a bolted clamp type for 6 in x 6 in pipe, made of ductile iron with an NBR seal. It has a maximum operating pressure of 300 psi and an overall length of 12 7/8 in. The manufacturer part number is 0390007631.

Where to buy GRUVLOK couplings worldwide?

3G Electric supplies genuine GRUVLOK couplings worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this component across 14 departments, including combustion, pumps, and controls, and deliver to your site.

How to install a GRUVLOK bolted clamp coupling?

To install a GRUVLOK coupling, ensure pipe ends are clean and grooved per manufacturer specs. Place the gasket over both pipe ends, then position the housing halves over the gasket and tighten the bolts evenly to the recommended torque. Always follow GRUVLOK's installation instructions.

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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