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

GRUVLOK Grooved Pipe Coupling, 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
Grooved Pipe Coupling, 4 in, NBR Seal, 300 psi, Ductile Iron
Part Number
0390209609
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 grooved couplings and fittings for joining sprinkler pipe, such as the 6-inch coupling (SKU 46KK70) rated for 300 psi.
HVAC piping — GRUVLOK flexible couplings (e.g., SKU 408JM0) to accommodate thermal movement in chilled water and heating systems.
Process piping — GRUVLOK concentric reducer elbow (SKU 408GX7) for changing pipe direction and size in chemical and industrial processes.
Industrial piping — GRUVLOK high-pressure couplings (e.g., SKU 408HF6) rated to 1,000 psi for demanding applications.
Mechanical piping systems — GRUVLOK rigid couplings (e.g., SKU 60XP12) for joining large-diameter pipe in water distribution.
Plumbing systems — GRUVLOK NSF 61 approved couplings for potable water applications, ensuring compliance with health standards.
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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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