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

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

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling in an 8 in x 8 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 800 psi (MPN 0390004588). 3G…

SKU 3G-OTH-468378

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

GRUVLOK
Manufacturer Part Number
0390004588
Type
8 in x 8 in, Ductile Iron, EPDM Seal, 800 psi
Fitting Pipe Size
8 in x 8 in
Maximum Operating Pressure
800 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 in an 8 in x 8 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 800 psi (MPN 0390004588). 3G Electric interprets this demand and delivers the genuine OEM part, backed by specialist expertise across 14 industrial departments — including combustion, pumps and controls — to ensure you get the right solution.

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 Flex Bolted Clamp Coupling used for?

The GRUVLOK Flex Bolted Clamp Coupling is used to join grooved-end pipes in industrial fire protection, HVAC, and process piping systems. It provides a flexible, leak-tight connection rated for 800 psi, accommodating thermal expansion and minor misalignment in ductile iron or steel pipe runs.

What are the specifications of the GRUVLOK 0390004588 coupling?

The GRUVLOK 0390004588 is an 8 in x 8 in flex bolted clamp coupling made of ductile iron with an EPDM seal. It has a maximum operating pressure of 800 psi and is designed for grooved pipe connections. 3G Electric supplies this genuine OEM part globally.

Where to buy GRUVLOK 8 in clamp coupling worldwide?

3G Electric supplies the GRUVLOK 8 in flex bolted clamp coupling (MPN 0390004588) to customers 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 genuine OEM part.

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 both pipe ends, then position the coupling housing over the gasket. Tighten bolts evenly to the recommended torque. 3G Electric can provide technical support for proper selection and installation.

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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