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GRUVLOK Flex Bolted Clamp Coupling - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Flex Bolted Clamp Coupling

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling in a 1-1/2 in x 1-1/2 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 600 psi (MPN 0390000784)…

SKU 3G-OTH-468168

Brand
GRUVLOK
Item
Flex Bolted Clamp Coupling
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390000784
Type
1 1/2 in x 1 1/2 in, Ductile Iron, NBR Seal, 600 psi
Fitting Pipe Size
1-1/2 in x 1-1/2 in
Maximum Operating Pressure
600 psi

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

Product Description

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling in a 1-1/2 in x 1-1/2 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 600 psi (MPN 0390000784). 3G Electric interprets this demand and delivers this genuine industrial coupling across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the GRUVLOK Flex Bolted Clamp Coupling used for?

The GRUVLOK Flex Bolted Clamp Coupling connects grooved-end pipes in fire protection, HVAC, and industrial piping systems. It provides a flexible, leak-tight joint rated for 600 psi, accommodating minor misalignment and thermal expansion in ductile iron or steel pipe runs.

What are the specifications of the GRUVLOK 0390000784 coupling?

This GRUVLOK coupling has a 1-1/2 in x 1-1/2 in fitting pipe size, ductile iron construction, NBR seal, and a maximum operating pressure of 600 psi. The manufacturer part number is 0390000784. It is a flex bolted style for grooved pipe systems.

Where to buy GRUVLOK couplings in worldwide?

3G Electric supplies genuine GRUVLOK couplings worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this coupling and support your project with specialist expertise across 14 departments.

How to install a GRUVLOK flex bolted coupling?

Ensure pipe ends are clean and grooved per GRUVLOK specifications. Lubricate the NBR gasket and place it over one pipe end. Slide the coupling housing over the gasket, insert bolts, and tighten evenly to the recommended torque. Do not exceed 600 psi operating pressure.

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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