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

GRUVLOK Clamp Coupling: Flex Hinged, 1 1/2 in x 1 1/2 in, Ductile Iron, EPDM Seal

The GRUVLOK Clamp Coupling: Flex Hinged is a grooved pipe coupling in a 1-1/2 in x 1-1/2 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 300 psi (MPN…

SKU 3G-OTH-468271

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

GRUVLOK
Manufacturer Part Number
0390200004
Type
1 1/2 in x 1 1/2 in, Ductile Iron, EPDM Seal, 300 psi
Fitting Pipe Size
1-1/2 in x 1-1/2 in
Maximum Operating Pressure
300 psi
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling: Flex Hinged is a grooved pipe coupling in a 1-1/2 in x 1-1/2 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 300 psi (MPN 0390200004). 3G Electric interprets this demand and sources the genuine GRUVLOK coupling across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the GRUVLOK Flex Hinged Clamp Coupling used for?

The GRUVLOK Flex Hinged Clamp Coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. Its hinged design allows quick installation and maintenance without full disassembly, saving time in tight spaces.

What are the specifications of the GRUVLOK 0390200004 coupling?

This GRUVLOK coupling (MPN 0390200004) is a 1-1/2 in x 1-1/2 in flex hinged clamp coupling made of ductile iron with an EPDM seal. It is rated for a maximum operating pressure of 300 psi, suitable for grooved pipe systems.

Where to buy GRUVLOK couplings 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 across 14 departments, including combustion, pumps, and controls.

How to install a GRUVLOK hinged clamp coupling?

To install a GRUVLOK hinged clamp coupling, ensure pipe ends are clean and grooved per manufacturer specs. Open the hinge, place the coupling over both pipe ends, close the hinge, and tighten bolts evenly to the recommended torque. Always follow GRUVLOK installation guidelines.

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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