GRUVLOK Clamp Coupling: Bolted, 3 in x 2 1/2 in, Ductile Iron, NBR Seal
The GRUVLOK Bolted Clamp Coupling is a grooved pipe coupling with a 3 in x 2-1/2 in fitting pipe size, constructed from ductile iron with an NBR seal, and rated for a maximum operating pressure of 500 psi (MPN…
SKU 3G-OTH-468287
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Product Description
The GRUVLOK Bolted Clamp Coupling is a grooved pipe coupling with a 3 in x 2-1/2 in fitting pipe size, constructed from ductile iron with an NBR seal, and rated for a maximum operating pressure of 500 psi (MPN 0390008829). 3G Electric sources this genuine OEM component across 14 industrial departments, with specialist expertise in combustion, pumps and controls ensuring accurate specification and supply.
Frequently Asked Questions
What is a GRUVLOK bolted clamp coupling used for?
A GRUVLOK bolted clamp coupling joins grooved-end pipes in fire protection, HVAC, and industrial piping systems. It provides a rigid, leak-resistant connection rated for 500 psi, using a ductile iron housing and NBR seal for reliable performance in water and light oil applications.
What are the specifications of the GRUVLOK 0390008829 coupling?
The GRUVLOK 0390008829 is a bolted clamp coupling with a 3 in x 2-1/2 in fitting pipe size, ductile iron construction, NBR seal, and a maximum operating pressure of 500 psi. It is designed for grooved pipe systems requiring a durable, high-pressure connection.
Where to buy GRUVLOK couplings worldwide?
3G Electric supplies genuine GRUVLOK bolted clamp couplings worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this OEM component across 14 departments, ensuring accurate specification and delivery to your site.
How to install a GRUVLOK bolted clamp coupling?
To install a GRUVLOK bolted clamp 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 for a secure, leak-free joint.
Used in
Common applications for GRUVLOKGRUVLOK 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.







