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GRUVLOKGrooved Pipe Couplings

GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 2 1/2 in x 2 1/2 in, Ductile Iron, EPDM Seal

The GRUVLOK Rigid Coupling is a rigid bolted clamp grooved pipe coupling, available in a 2-1/2 in x 2-1/2 in size. Constructed from ductile iron with an EPDM seal, it is rated for a maximum operating pressure of 750…

SKU 3G-OTH-468326

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

GRUVLOK
Manufacturer Part Number
390213408
Type
2 1/2 in x 2 1/2 in, Ductile Iron, EPDM Seal, 750 psi
Fitting Pipe Size
2-1/2 in x 2-1/2 in
Maximum Operating Pressure
750 psi
View Full Spec Sheet

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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, available in a 2-1/2 in x 2-1/2 in size. Constructed from ductile iron with an EPDM seal, it is rated for a maximum operating pressure of 750 psi (MPN 390213408).

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 the GRUVLOK Rigid Coupling used for?

The GRUVLOK Rigid Coupling is used to join grooved-end pipes in industrial fire protection, HVAC, and process piping systems. It provides a rigid, leak-proof connection rated for 750 psi, suitable for high-pressure water, oil, and chemical lines.

What are the specifications of the GRUVLOK Rigid Coupling 390213408?

The GRUVLOK Rigid Coupling (MPN 390213408) is a 2-1/2 in x 2-1/2 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 systems.

Where to buy the GRUVLOK Rigid Coupling worldwide?

3G Electric supplies the GRUVLOK Rigid Coupling worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 750 psi ductile iron coupling.

How to install a GRUVLOK rigid coupling?

To install a GRUVLOK rigid coupling, ensure pipe ends are clean and grooved per manufacturer specs. 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. 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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