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GRUVLOK Clamp Coupling: Bolted, 4 in x 2 in, Ductile Iron, NBR Seal, 500 psi - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Bolted, 4 in x 2 in, Ductile Iron, NBR Seal, 500 psi

The GRUVLOK Clamp Coupling is a bolted grooved pipe coupling with a 4 in x 2 in fitting pipe size, constructed from ductile iron with an NBR seal, rated for a maximum operating pressure of 500 psi, and an overall…

SKU 3G-OTH-468209

Brand
GRUVLOK
Item
Clamp Coupling: Bolted, 4 in x 2 in, Ductile Iron, NBR Seal, 500 psi
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390008886
Type
4 in x 2 in, Ductile Iron, NBR Seal, 500 psi
Overall Lg
8 7/8 in
Fitting Pipe Size
4 in x 2 in
Maximum Operating Pressure
500 psi
View Full Spec Sheet

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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling is a bolted grooved pipe coupling with a 4 in x 2 in fitting pipe size, constructed from ductile iron with an NBR seal, rated for a maximum operating pressure of 500 psi, and an overall length of 8 7/8 in.

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 a GRUVLOK clamp coupling used for?

A GRUVLOK clamp coupling joins grooved-end pipes in fire protection, HVAC, and industrial piping systems. This bolted ductile iron model with NBR seal handles up to 500 psi, providing a reliable, flexible connection that simplifies installation and maintenance.

What are the specifications of the GRUVLOK 0390008886 coupling?

This GRUVLOK coupling has a 4 in x 2 in fitting pipe size, ductile iron construction, NBR seal, and a maximum operating pressure of 500 psi. Overall length is 8 7/8 in. The manufacturer part number is 0390008886.

Where to buy GRUVLOK couplings worldwide?

3G Electric supplies GRUVLOK couplings worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 0390008886 model.

How to install a GRUVLOK bolted clamp coupling?

Ensure pipe ends are clean and grooved per GRUVLOK specifications. Lubricate the NBR gasket, place it over one pipe end, then bring the second pipe into position. Center the coupling housing over the gasket, insert bolts, and tighten nuts evenly to the recommended torque.

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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