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GRUVLOK Clamp Coupling: Flex Bolted, 1 1/2 in x 1 1/2 in, Ductile Iron, NBR Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Flex Bolted, 1 1/2 in x 1 1/2 in, Ductile Iron, NBR Seal

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 1,000 psi (MPN…

SKU 3G-OTH-468166

Brand
GRUVLOK
Item
Clamp Coupling: Flex Bolted, 1 1/2 in x 1 1/2 in, Ductile Iron, NBR Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390003630
Type
1 1/2 in x 1 1/2 in, Ductile Iron, NBR Seal, 1,000 psi
Fitting Pipe Size
1-1/2 in x 1-1/2 in
Maximum Operating Pressure
1,000 psi
View Full Spec Sheet

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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 1,000 psi (MPN 0390003630). 3G Electric interprets this demand and delivers the genuine OEM part, backed by specialist expertise across 14 industrial departments — including combustion, pumps and controls — to ensure you get the right solution for your piping system.

Frequently Asked Questions

What is a GRUVLOK flex bolted clamp coupling used for?

A GRUVLOK flex bolted clamp coupling joins grooved-end pipes in fire protection, HVAC, and industrial piping systems. It allows limited angular deflection to accommodate thermal expansion and minor misalignment. 3G Electric supplies this genuine GRUVLOK coupling as part of its broad industrial offering across 14 departments.

What are the specifications of the GRUVLOK 0390003630 coupling?

The GRUVLOK 0390003630 is a 1-1/2 in x 1-1/2 in flex bolted clamp coupling made of ductile iron with an NBR seal. It has a maximum operating pressure of 1,000 psi. 3G Electric sources this genuine OEM part for piping systems requiring reliable grooved connections.

Where to buy a GRUVLOK 1-1/2 in flex coupling worldwide?

3G Electric supplies the GRUVLOK 1-1/2 in flex bolted clamp coupling worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your site. Contact us to order the genuine GRUVLOK part (MPN 0390003630) for your piping application.

How to install a GRUVLOK flex bolted coupling?

To install a GRUVLOK flex bolted coupling, ensure pipe ends are clean and grooved per manufacturer specifications. Place the gasket over the pipe ends, then position the coupling housing over the gasket. Tighten bolts evenly to the recommended torque. 3G Electric can advise on proper selection for your 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 Rigid Coupling: Clamp, 3 in x 3 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved (MPN 390213658). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
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