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GRUVLOK Clamp Coupling: Flex Bolted, 8 in x 8 in, Ductile Iron, NBR Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

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

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling designed for 8 in x 8 in ductile iron pipe, featuring an NBR seal and a maximum operating pressure of 500 psi. This flex bolted coupling provides a…

SKU 3G-OTH-468253

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

GRUVLOK
Manufacturer Part Number
0390000966
Type
8 in x 8 in, Ductile Iron, NBR Seal, 500 psi
Fitting Pipe Size
8 in x 8 in
Maximum Operating Pressure
500 psi
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling designed for 8 in x 8 in ductile iron pipe, featuring an NBR seal and a maximum operating pressure of 500 psi. This flex bolted coupling provides a reliable connection for industrial piping systems.

Frequently Asked Questions

What is a GRUVLOK flex bolted clamp coupling used for?

A GRUVLOK flex bolted clamp coupling connects 8 in ductile iron pipe in industrial piping systems. It provides a reliable, flexible joint rated for 500 psi, commonly used in water, oil, and gas applications where grooved-end pipe is specified.

What are the specifications of the GRUVLOK 0390000966 coupling?

The GRUVLOK 0390000966 is an 8 in x 8 in flex bolted clamp coupling made of ductile iron with an NBR seal. It has a maximum operating pressure of 500 psi and is designed for grooved pipe connections in industrial systems.

Where to buy GRUVLOK couplings for worldwide delivery?

3G Electric supplies GRUVLOK couplings like the 0390000966 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this 8 in flex bolted coupling.

How to install a GRUVLOK flex bolted coupling?

To install a GRUVLOK flex bolted coupling, ensure pipe ends are clean and grooved per manufacturer specs. Place the gasket over the pipe ends, then position the coupling housing over the gasket. Tighten bolts evenly to the recommended torque for a leak-free 500 psi 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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