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GRUVLOK Clamp Coupling: Hinged Clamp, 4 in x 4 in, Ductile Iron, EPDM Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Hinged Clamp, 4 in x 4 in, Ductile Iron, EPDM Seal

The GRUVLOK Clamp Coupling is a hinged grooved pipe coupling in a 4 in x 4 in size, constructed from ductile iron with an EPDM seal. It is rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390200103)…

SKU 3G-OTH-468344

Brand
GRUVLOK
Item
Clamp Coupling: Hinged Clamp, 4 in x 4 in, Ductile Iron, EPDM Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390200103
Type
4 in x 4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F
Fitting Pipe Size
4 in x 4 in
Maximum Operating Pressure
300 psi @ 150° F
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling is a hinged grooved pipe coupling in a 4 in x 4 in size, constructed from ductile iron with an EPDM seal. It is rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390200103). 3G Electric interprets customer demand and delivers this genuine industrial coupling across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a GRUVLOK hinged clamp coupling used for?

A GRUVLOK 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 0390200103 coupling?

The GRUVLOK 0390200103 is a 4 in x 4 in hinged clamp coupling made of ductile iron with an EPDM seal. It has a maximum operating pressure of 300 psi at 150 °F. It is designed 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. Contact us for pricing and lead time on the 0390200103 or other GRUVLOK models.

How to install a GRUVLOK hinged clamp coupling?

Align the coupling over the grooved pipe ends, close the hinged clamp, and tighten the bolts evenly to the manufacturer's torque specification. Ensure the EPDM gasket is properly seated and lubricated per GRUVLOK guidelines for a leak-free joint.

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, 8 in x 8 in, NBR Seal, 600 psi, Ductile Iron, Grooved x Grooved (MPN 390213666). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
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