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GRUVLOKGrooved Pipe Couplings

GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal

The GRUVLOK Rigid Coupling is a rigid bolted-clamp grooved pipe coupling in a 6 in x 6 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 700 psi (MPN 390213216)…

SKU 3G-OTH-468313

Brand
GRUVLOK
Item
Rigid Coupling: Rigid Bolted Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
390213216
Type
6 in x 6 in, Ductile Iron, EPDM Seal, 700 psi
Fitting Pipe Size
6 in x 6 in
Maximum Operating Pressure
700 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 in a 6 in x 6 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 700 psi (MPN 390213216). 3G Electric interprets this demand and delivers this genuine industrial component across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.

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 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 700 psi, using a ductile-iron housing and EPDM seal for reliable performance in water and certain chemical services.

What are the specifications of the GRUVLOK rigid coupling 390213216?

The GRUVLOK rigid coupling model 390213216 is a 6 in x 6 in rigid bolted clamp made of ductile iron with an EPDM seal. It has a maximum operating pressure of 700 psi and is designed for grooved pipe connections in industrial and commercial piping systems.

Where to buy GRUVLOK rigid couplings worldwide?

3G Electric supplies GRUVLOK rigid couplings worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine components like the 6 in rigid coupling with EPDM seal and 700 psi rating, ensuring you get the right part for your application.

How to install a GRUVLOK rigid coupling?

To install a GRUVLOK rigid coupling, ensure pipe ends are clean and grooved per manufacturer specifications. Place the gasket over the pipe ends, then position the coupling housing over the gasket. Insert bolts and tighten evenly to the recommended torque. Always follow the manufacturer's installation instructions for proper sealing and joint rigidity.

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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