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GRUVLOKGrooved Pipe Couplings

GRUVLOK Rigid Coupling: Clamp, 2 1/2 in x 2 1/2 in, EPDM Seal, 750 psi, Ductile Iron

The GRUVLOK Rigid Coupling is a 2 1/2 in x 2 1/2 in grooved pipe clamp with a bolted ductile iron body and EPDM seal, rated for a maximum operating pressure of 750 psi. 3G Electric interprets demand for this OEM part…

SKU 3G-OTH-460124

Brand
GRUVLOK
Item
Rigid Coupling: Clamp, 2 1/2 in x 2 1/2 in, EPDM Seal, 750 psi, Ductile Iron
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
390213808
Type
2 1/2 in x 2 1/2 in, EPDM Seal, 750 psi, Ductile Iron, Bolted
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 2 1/2 in x 2 1/2 in grooved pipe clamp with a bolted ductile iron body and EPDM seal, rated for a maximum operating pressure of 750 psi. 3G Electric interprets demand for this OEM part (MPN 390213808) across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the GRUVLOK Rigid Coupling used for?

The GRUVLOK Rigid Coupling (MPN 390213808) is used to join grooved-end pipes in industrial fire protection, HVAC, and process piping systems. It provides a rigid, leak-tight connection rated for 750 psi, suitable for high-pressure water, oil, and chemical lines.

What are the specifications of the GRUVLOK Rigid Coupling?

The GRUVLOK Rigid Coupling is a 2 1/2 in x 2 1/2 in grooved pipe clamp with a bolted ductile iron body and EPDM seal. It has a maximum operating pressure of 750 psi. The manufacturer part number is 390213808.

Where to buy the GRUVLOK Rigid Coupling worldwide?

3G Electric supplies the GRUVLOK Rigid Coupling (MPN 390213808) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

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 one pipe end, then slide the coupling housing over both pipe ends. Tighten bolts evenly to the recommended torque for a leak-free joint.

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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