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GRUVLOK Clamp Coupling: 6 in x 4 in, EPDM Seal, 500 psi, Ductile Iron - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 6 in x 4 in, EPDM Seal, 500 psi, Ductile Iron

The GRUVLOK Clamp Coupling (MPN 0390111821) is a 6 in x 4 in grooved pipe coupling with a ductile iron body and EPDM seal, rated for a maximum operating pressure of 500 psi. It features a Grooved x Grooved x Grooved…

SKU 3G-OTH-460089

Brand
GRUVLOK
Item
Clamp Coupling: 6 in x 4 in, EPDM Seal, 500 psi, Ductile Iron
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390111821
Type
EPDM Seal, 500 psi, Ductile Iron, Grooved x Grooved x Grooved
Maximum Operating Pressure
500 psi
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling (MPN 0390111821) is a 6 in x 4 in grooved pipe coupling with a ductile iron body and EPDM seal, rated for a maximum operating pressure of 500 psi. It features a Grooved x Grooved x Grooved connection type, designed for joining grooved-end piping systems.

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 the GRUVLOK 6 in x 4 in clamp coupling used for?

The GRUVLOK 6 in x 4 in clamp coupling joins grooved-end piping in industrial fire protection, HVAC, and process systems. Its ductile iron body and EPDM seal handle water, oil, and chemical services up to 500 psi, providing a flexible, leak-resistant connection.

What are the specifications of the GRUVLOK 0390111821 coupling?

The GRUVLOK 0390111821 is a 6 in x 4 in grooved clamp coupling with a ductile iron body and EPDM seal. It has a Grooved x Grooved x Grooved connection and a maximum operating pressure of 500 psi. It is designed for grooved-end piping systems.

Where to buy GRUVLOK grooved pipe couplings worldwide?

3G Electric supplies GRUVLOK grooved pipe couplings worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 0390111821 coupling.

How to install a GRUVLOK 6 in x 4 in clamp coupling?

To install a GRUVLOK clamp 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 recommended torque for a 500 psi rated 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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