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GRUVLOK Clamp Coupling: Rigid Bolted, 6 in x 6 in, Ductile Iron, NBR Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

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

The GRUVLOK Clamp Coupling is a rigid bolted grooved pipe coupling in a 6 in x 6 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 300 psi (MPN 0390212777). 3G…

SKU 3G-OTH-468310

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

GRUVLOK
Manufacturer Part Number
0390212777
Type
6 in x 6 in, Ductile Iron, NBR Seal, 300 psi
Fitting Pipe Size
6 in x 6 in
Maximum Operating Pressure
300 psi
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling is a rigid bolted grooved pipe coupling in a 6 in x 6 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 300 psi (MPN 0390212777). 3G Electric interprets this demand and sources the genuine OEM part, backed by specialist expertise in combustion, pumps and controls across 14 industrial departments.

Frequently Asked Questions

What is the GRUVLOK Clamp Coupling used for?

The GRUVLOK rigid bolted clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a leak-tight, mechanically strong connection rated for 300 psi, using a ductile iron housing and NBR seal.

What are the specifications of the GRUVLOK Clamp Coupling 0390212777?

This GRUVLOK coupling is a rigid bolted type, 6 in x 6 in pipe size, ductile iron construction with an NBR seal. Maximum operating pressure is 300 psi. The manufacturer part number is 0390212777.

Where to buy the GRUVLOK Clamp Coupling 0390212777 worldwide?

3G Electric supplies the genuine GRUVLOK 0390212777 clamp coupling worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time.

How to install a GRUVLOK rigid bolted coupling?

Ensure pipe ends are clean and grooved per GRUVLOK standards. 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 the manufacturer.

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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