GRUVLOK Clamp Coupling: 5 in x 4 in, EPDM Seal, 500 psi, Ductile Iron
The GRUVLOK Clamp Coupling (MPN 0390111789) is a grooved pipe coupling with a 5 in x 4 in configuration, featuring an EPDM seal, ductile iron construction, and grooved x grooved x grooved connections. It is rated for…
SKU 3G-OTH-460072
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Product Description
The GRUVLOK Clamp Coupling (MPN 0390111789) is a grooved pipe coupling with a 5 in x 4 in configuration, featuring an EPDM seal, ductile iron construction, and grooved x grooved x grooved connections. It is rated for a maximum operating pressure of 500 psi.
Frequently Asked Questions
What is a GRUVLOK clamp coupling used for?
A GRUVLOK clamp coupling connects grooved-end pipes in fire protection, HVAC, and industrial piping systems. This 5 in x 4 in model with EPDM seal handles water, air, and selected chemicals up to 500 psi, providing a flexible, leak-resistant joint.
What are the specifications of the GRUVLOK 0390111789 coupling?
This GRUVLOK coupling (MPN 0390111789) is a 5 in x 4 in grooved x grooved x grooved clamp coupling. It features a ductile iron body, EPDM seal, and a maximum operating pressure of 500 psi. It is designed for grooved pipe systems in commercial and industrial applications.
Where to buy GRUVLOK couplings worldwide?
3G Electric supplies GRUVLOK couplings like the 0390111789 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 5 in x 4 in EPDM-seal clamp coupling rated at 500 psi.
How to install a GRUVLOK grooved coupling?
To install a GRUVLOK grooved coupling, ensure pipe ends are clean and properly grooved per manufacturer specs. Lubricate the EPDM 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 500 psi rated 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.






