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GRUVLOK Clamp Coupling: Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal

The GRUVLOK Clamp Coupling is a grooved pipe coupling in a 3 in x 3 in size, constructed from ductile iron with an EPDM seal. It is rated for a maximum operating pressure of 300 psi at 150° F.

SKU 3G-OTH-468346

Brand
GRUVLOK
Item
Clamp Coupling: Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390211126
Type
3 in x 3 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F
Fitting Pipe Size
3 in x 3 in
Maximum Operating Pressure
300 psi @ 150° F
View Full Spec Sheet

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

Product Description

The GRUVLOK Clamp Coupling is a grooved pipe coupling in a 3 in x 3 in size, constructed from ductile iron with an EPDM seal. It is rated for a maximum operating pressure of 300 psi at 150° F.

Frequently Asked Questions

What is a GRUVLOK clamp coupling used for?

A GRUVLOK clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a flexible, leak-tight connection rated for 300 psi at 150° F, using a ductile iron housing and EPDM seal.

What are the specifications of the GRUVLOK 3 in x 3 in clamp coupling?

The GRUVLOK clamp coupling has a 3 in x 3 in fitting pipe size, ductile iron construction, EPDM seal, and a maximum operating pressure of 300 psi at 150° F. The manufacturer part number is 0390211126.

Where to buy GRUVLOK clamp couplings worldwide?

3G Electric supplies GRUVLOK clamp 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 3 in x 3 in ductile iron coupling.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK clamp coupling, lubricate the EPDM gasket and place it over the pipe end. Slide the coupling housing over the gasket, insert bolts, and tighten nuts evenly to the manufacturer’s torque specification. Always follow GRUVLOK’s installation instructions.

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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