GRUVLOK Clamp Coupling: Clamp, 2 in x 2 in, Ductile Iron, NBR Seal
The GRUVLOK Clamp Coupling is a grooved pipe coupling, type 2 in x 2 in, constructed from ductile iron with an NBR seal. It is rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390003648).
SKU 3G-OTH-468180
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Product Description
The GRUVLOK Clamp Coupling is a grooved pipe coupling, type 2 in x 2 in, constructed from ductile iron with an NBR seal. It is rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390003648).
Frequently Asked Questions
What is a GRUVLOK clamp coupling used for?
A GRUVLOK clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a flexible, leak-tight connection rated up to 300 psi at 150 °F, using a ductile-iron housing and NBR seal for reliable performance.
What are the specifications of the GRUVLOK 0390003648 coupling?
The GRUVLOK 0390003648 is a 2 in x 2 in grooved pipe coupling made of ductile iron with an NBR seal. It has a maximum operating pressure of 300 psi at 150 °F. This clamp coupling is designed for 2-inch grooved pipe systems.
Where to buy GRUVLOK clamp couplings worldwide?
3G Electric supplies GRUVLOK clamp couplings worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 0390003648 or other GRUVLOK grooved couplings.
How to install a GRUVLOK grooved pipe 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 over the gasket. Tighten bolts evenly to the recommended torque for a secure, leak-free joint.
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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.


