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GRUVLOKGrooved Pipe Couplings

GRUVLOK Rigid Coupling, 5 in x 5 in, Ductile Iron, EPDM Seal, 750 psi

The GRUVLOK Rigid Coupling is a rigid bolted-clamp grooved pipe coupling in a 5 in x 5 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 750 psi (MPN 390213214).

SKU 3G-OTH-468336

Brand
GRUVLOK
Item
Rigid Coupling, 5 in x 5 in, Ductile Iron, EPDM Seal, 750 psi
Part Number
390213214
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
390213214
Type
5 in x 5 in, Ductile Iron, EPDM Seal, 750 psi
Fitting Pipe Size
5 in x 5 in
Maximum Operating Pressure
750 psi

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

Product Description

The GRUVLOK Rigid Coupling is a rigid bolted-clamp grooved pipe coupling in a 5 in x 5 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 750 psi (MPN 390213214).

Frequently Asked Questions

What is a GRUVLOK rigid coupling used for?

A GRUVLOK rigid coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a leak-tight, mechanically locked connection rated for 750 psi, using a ductile-iron housing and EPDM seal for reliable performance.

What are the specifications of the GRUVLOK rigid coupling 390213214?

This GRUVLOK rigid coupling is a 5 in x 5 in rigid bolted clamp made of ductile iron with an EPDM seal. It has a maximum operating pressure of 750 psi and is designed for grooved pipe connections in demanding industrial applications.

Where to buy GRUVLOK rigid couplings worldwide?

3G Electric supplies GRUVLOK rigid couplings worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for a quote on the 5 in x 5 in model (MPN 390213214) with 750 psi rating.

How to install a GRUVLOK rigid coupling?

To install a GRUVLOK rigid coupling, ensure pipe ends are clean and grooved per manufacturer specifications. Lubricate the EPDM gasket, place it over the pipe ends, then position the ductile-iron housing halves and tighten the bolts evenly to the recommended torque for a 750 psi rated joint.

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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