GRUVLOK Clamp Coupling: Bolted, 5 in x 5 in, Ductile Iron, NBR Seal, 350 psi
The GRUVLOK Clamp Coupling is a bolted grooved pipe coupling, sized 5 in x 5 in, constructed from ductile iron with an NBR seal, and rated for a maximum operating pressure of 350 psi. This coupling has an overall…
SKU 3G-OTH-468229
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Product Description
The GRUVLOK Clamp Coupling is a bolted grooved pipe coupling, sized 5 in x 5 in, constructed from ductile iron with an NBR seal, and rated for a maximum operating pressure of 350 psi. This coupling has an overall length of 11 1/8 in (MPN 0390007623).
Frequently Asked Questions
What is a GRUVLOK clamp coupling used for?
A GRUVLOK bolted clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a flexible, leak-tight connection rated up to 350 psi, using a ductile-iron housing and NBR seal for reliable performance in water and light oil services.
What are the specifications of the GRUVLOK 0390007623 coupling?
This GRUVLOK coupling is a bolted clamp type for 5 in x 5 in grooved pipe, made of ductile iron with an NBR seal. It has a maximum operating pressure of 350 psi and an overall length of 11 1/8 in. The manufacturer part number is 0390007623.
Where to buy GRUVLOK couplings worldwide?
3G Electric supplies GRUVLOK couplings worldwide, handling full logistics and customs clearance for international orders. As a global industrial sourcing partner, we provide genuine GRUVLOK parts like the 0390007623 clamp coupling to customers across multiple regions.
How to install a GRUVLOK bolted clamp coupling?
To install a GRUVLOK coupling, ensure pipe ends are clean and grooved per manufacturer specs. Lubricate the NBR gasket, place it over both pipe ends, then position the ductile-iron housing halves and tighten the bolts evenly to the recommended torque. Always follow GRUVLOK installation guidelines.
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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.







