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

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

The GRUVLOK Clamp Coupling (4 in x 4 in, MPN 0390209609) is a grooved pipe coupling with a ductile iron body and NBR seal, designed for grooved x grooved x grooved connections. It has a maximum operating pressure of…

SKU 3G-OTH-460083

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

GRUVLOK
Manufacturer Part Number
0390209609
Type
NBR 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 (4 in x 4 in, MPN 0390209609) is a grooved pipe coupling with a ductile iron body and NBR seal, designed for grooved x grooved x grooved connections. It has a maximum operating pressure of 300 psi.

Frequently Asked Questions

What is the GRUVLOK Clamp Coupling used for?

The GRUVLOK Clamp Coupling (4 in x 4 in, MPN 0390209609) connects grooved-end pipes in industrial fire protection, HVAC, and process piping systems. Its ductile iron body and NBR seal handle pressures up to 300 psi, providing a reliable, leak-resistant joint for water and other compatible fluids.

What are the specifications of the GRUVLOK Clamp Coupling?

This GRUVLOK coupling has a 4 in x 4 in grooved x grooved x grooved connection, ductile iron body, NBR seal, and maximum operating pressure of 300 psi. The manufacturer part number is 0390209609. It is designed for rigid or flexible piping joints in commercial and industrial applications.

Where to buy the GRUVLOK Clamp Coupling worldwide?

3G Electric supplies the GRUVLOK Clamp Coupling (MPN 0390209609) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this grooved pipe coupling for your industrial piping project.

How to install a GRUVLOK grooved pipe coupling?

Installation requires clean, lubricated gaskets and proper alignment of grooved pipe ends. Slide the GRUVLOK coupling housing over the joint, insert bolts, and tighten nuts evenly to the manufacturer’s torque specification. Always follow GRUVLOK’s published guidelines for pressure ratings and pipe preparation.

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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