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GRUVLOKGrooved Pipe Couplings

GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 8 in x 8 in, Ductile Iron, NBR Seal

The GRUVLOK Rigid Coupling is a rigid bolted-clamp grooved pipe coupling in an 8 in x 8 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 600 psi. 3G Electric…

SKU 3G-OTH-468335

Brand
GRUVLOK
Item
Rigid Coupling: Rigid Bolted Clamp, 8 in x 8 in, Ductile Iron, NBR Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
390213466
Type
8 in x 8 in, Ductile Iron, NBR Seal, 600 psi
Fitting Pipe Size
8 in x 8 in
Maximum Operating Pressure
600 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 an 8 in x 8 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 600 psi. 3G Electric interprets this demand, sources the genuine GRUVLOK part (MPN 390213466), and supports your project with specialist depth in combustion, pumps and controls across 14 industrial departments.

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 600 psi, eliminating the need for welding or flanging.

What are the specifications of the GRUVLOK rigid coupling 390213466?

The GRUVLOK rigid coupling (MPN 390213466) is an 8 in x 8 in rigid bolted clamp made of ductile iron with an NBR seal. It has a maximum operating pressure of 600 psi and is designed for grooved pipe connections.

Where to buy GRUVLOK rigid coupling 390213466 worldwide?

3G Electric supplies the genuine GRUVLOK rigid coupling 390213466 worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this 8 in ductile iron coupling rated for 600 psi.

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 NBR gasket, place it over the pipe ends, then position the ductile iron housing and tighten the bolts evenly to the recommended torque.

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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