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GRUVLOK Clamp Coupling: 4 in x 4 in, NBR Seal, 1,000 psi, Ductile Iron - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 4 in x 4 in, NBR Seal, 1,000 psi, Ductile Iron

The GRUVLOK Clamp Coupling is a 4 in x 4 in 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 1,000 psi (MPN…

SKU 3G-OTH-460141

Brand
GRUVLOK
Item
Clamp Coupling: 4 in x 4 in, NBR Seal, 1,000 psi, Ductile Iron
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390095966
Type
NBR Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved
Maximum Operating Pressure
1,000 psi
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling is a 4 in x 4 in 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 1,000 psi (MPN 0390095966).

Frequently Asked Questions

What is a GRUVLOK clamp coupling used for?

A GRUVLOK clamp coupling connects grooved-end pipes in industrial fire protection, HVAC, and process piping systems. This 4 in x 4 in ductile iron model with NBR seal handles up to 1,000 psi, providing a reliable, leak-resistant joint for water, air, and light chemical services.

What are the specifications of the GRUVLOK 0390095966 coupling?

This GRUVLOK coupling has a 4 in x 4 in grooved x grooved x grooved connection, ductile iron body, NBR seal, and a maximum operating pressure of 1,000 psi. The manufacturer part number is 0390095966. It is designed for rigid or flexible piping systems requiring a durable, high-pressure joint.

Where to buy GRUVLOK couplings in worldwide?

3G Electric supplies GRUVLOK couplings worldwide, including this 4 in clamp coupling (MPN 0390095966). We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time; we source genuine industrial components across 14 departments.

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 NBR gasket and seat it over both pipe ends. Place the ductile iron housing over the gasket, insert bolts, and tighten evenly to the recommended torque. Always follow GRUVLOK's installation instructions for pressure ratings.

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: Flex Bolted, 8 in x 8 in, Ductile Iron, NBR Seal, 500 psi (MPN 0390000966). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK Clamp Coupling: 6 in x 6 in, NBR Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390096022). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
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GRUVLOK Clamp Coupling: 6 in x 6 in, NBR Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390096022). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
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