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GRUVLOK Clamp Coupling: 4 in x 4 in, EPDM Seal, 300 psi, Ductile Iron - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 4 in x 4 in, EPDM Seal, 300 psi, Ductile Iron

The GRUVLOK Clamp Coupling (MPN 0390209120) is a 4 in x 4 in grooved pipe coupling with a ductile iron body and EPDM seal, rated for a maximum operating pressure of 300 psi. It features a Grooved x Grooved x Grooved…

SKU 3G-OTH-460099

Brand
GRUVLOK
Item
Clamp Coupling: 4 in x 4 in, EPDM Seal, 300 psi, Ductile Iron
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390209120
Type
EPDM Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved
Maximum Operating Pressure
300 psi
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling (MPN 0390209120) is a 4 in x 4 in grooved pipe coupling with a ductile iron body and EPDM seal, rated for a maximum operating pressure of 300 psi. It features a Grooved x Grooved x Grooved connection type for joining grooved-end piping.

Frequently Asked Questions

What is the GRUVLOK Clamp Coupling used for?

The GRUVLOK Clamp Coupling (MPN 0390209120) is used to join grooved-end piping in industrial fire protection, HVAC, and process systems. Its ductile iron body and EPDM seal handle water and dilute chemicals at pressures up to 300 psi.

What are the specifications of the GRUVLOK Clamp Coupling?

This GRUVLOK coupling is 4 in x 4 in with a Grooved x Grooved x Grooved connection, ductile iron body, and EPDM seal. Maximum operating pressure is 300 psi. The manufacturer part number is 0390209120.

Where to buy the GRUVLOK Clamp Coupling worldwide?

3G Electric supplies the GRUVLOK Clamp Coupling (MPN 0390209120) worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this grooved pipe coupling.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK coupling, ensure pipe ends are clean and grooved per manufacturer specs. Lubricate the EPDM gasket, place it over both pipe ends, then position the ductile iron housing over the gasket. Tighten bolts evenly to the torque recommended by GRUVLOK.

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 Clamp Coupling: 6 in x 4 in, EPDM Seal, 500 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390111821). Key specifications — Maximum Operating Pressure: 500 psi; Brand: GRUVLOK.
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