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GRUVLOK Clamp Coupling: Clamp, 2 1/2 in x 2 1/2 in, Ductile Iron, NBR Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Clamp, 2 1/2 in x 2 1/2 in, Ductile Iron, NBR Seal

The GRUVLOK Clamp Coupling is a grooved pipe coupling with a 2-1/2 in x 2-1/2 in fitting pipe size, constructed of ductile iron with an NBR seal. It is rated for a maximum operating pressure of 300 psi at 150° F (MPN…

SKU 3G-OTH-468301

Brand
GRUVLOK
Item
Clamp Coupling: Clamp, 2 1/2 in x 2 1/2 in, Ductile Iron, NBR Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390013670
Type
2 1/2 in x 2 1/2 in, Ductile Iron, NBR Seal, 300 psi @ 150° F
Fitting Pipe Size
2-1/2 in x 2-1/2 in
Maximum Operating Pressure
300 psi @ 150° F
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling is a grooved pipe coupling with a 2-1/2 in x 2-1/2 in fitting pipe size, constructed of ductile iron with an NBR seal. It is rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390013670).

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. It provides a flexible, leak-tight connection rated for 300 psi at 150° F, using a ductile-iron housing and NBR seal.

What are the specifications of the GRUVLOK 0390013670 coupling?

The GRUVLOK 0390013670 is a 2-1/2 in x 2-1/2 in grooved pipe coupling made of ductile iron with an NBR seal. Its maximum operating pressure is 300 psi at 150° F. It is designed for use with standard grooved-end pipe.

Where to buy GRUVLOK couplings worldwide?

3G Electric supplies GRUVLOK couplings worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine GRUVLOK parts like the 0390013670 clamp coupling to customers across 14 industrial departments.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK coupling, lubricate the NBR gasket and place it over the pipe ends. Position the ductile-iron housing over the gasket, insert bolts, and tighten nuts evenly to the manufacturer's torque specification. Always follow GRUVLOK's published 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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GRUVLOK Clamp Coupling: Clamp, 8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390000420). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
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