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GRUVLOK Flex Bolted Grooved Pipe Coupling - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Flex Bolted Grooved Pipe Coupling

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling in a 12 in x 12 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 800 psi. 3G Electric interprets…

SKU 3G-OTH-468265

Brand
GRUVLOK
Item
Flex Bolted Grooved Pipe Coupling
Category
Grooved Pipe Couplings
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390003846
Type
12 in x 12 in, Ductile Iron, NBR Seal, 800 psi
Fitting Pipe Size
12 in x 12 in
Maximum Operating Pressure
800 psi

Technical Documents

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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 a 12 in x 12 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 800 psi. 3G Electric interprets your demand for this OEM-specific fitting, sources it as an authorised distributor, and supports your industrial application across 14 departments — with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What is the GRUVLOK Clamp Coupling used for?

The GRUVLOK Flex Bolted Clamp Coupling joins grooved-end pipes in industrial fire protection, HVAC, and process piping systems. Its ductile iron construction and NBR seal handle pressures up to 800 psi, providing a flexible, leak-resistant connection for 12-inch pipe.

What are the specifications of the GRUVLOK Clamp Coupling 0390003846?

This GRUVLOK coupling is a 12 in x 12 in flex bolted type, made of ductile iron with an NBR seal. It has a maximum operating pressure of 800 psi and is designed for grooved pipe systems. The manufacturer part number is 0390003846.

Where to buy GRUVLOK Clamp Coupling in worldwide?

3G Electric supplies the GRUVLOK Clamp Coupling worldwide. We interpret your demand, source this OEM-specific fitting, and handle full logistics and customs clearance for delivery to your site. Contact us for availability and lead time on this 12-inch ductile iron coupling.

How to install a GRUVLOK flex bolted coupling?

Installation requires clean, grooved pipe ends. Lubricate the NBR gasket, place it over one pipe end, then slide the coupling housing over both pipe ends. Tighten bolts evenly to the torque specified by GRUVLOK. Always follow the manufacturer's instructions for pressure ratings and bolt 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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