GRUVLOK Clamp Coupling: Flex Hinged, 1 in x 1 in, Ductile Iron, EPDM Seal, 300 psi
The GRUVLOK Flex Hinged Clamp Coupling is a 1 in x 1 in grooved pipe coupling made of ductile iron with an EPDM seal, rated for a maximum operating pressure of 300 psi and an overall length of 4 in (MPN 0390199982).
SKU 3G-OTH-468272
Need installation or engineering help?
Ask a question
Product Description
The GRUVLOK Flex Hinged Clamp Coupling is a 1 in x 1 in grooved pipe coupling made of ductile iron with an EPDM seal, rated for a maximum operating pressure of 300 psi and an overall length of 4 in (MPN 0390199982).
Frequently Asked Questions
What is a GRUVLOK Flex Hinged Clamp Coupling used for?
This GRUVLOK coupling joins grooved-end pipes in fire protection, HVAC, and industrial piping systems. Its hinged design allows quick installation and maintenance without full disassembly, saving time in tight spaces.
What are the specifications of the GRUVLOK 0390199982 coupling?
The GRUVLOK Flex Hinged Clamp Coupling (MPN 0390199982) has a 1 in x 1 in fitting pipe size, ductile iron construction, EPDM seal, maximum operating pressure of 300 psi, and overall length of 4 in.
Where to buy GRUVLOK couplings worldwide?
3G Electric supplies GRUVLOK couplings worldwide. We handle full logistics and customs clearance to deliver this 1 in x 1 in ductile iron coupling with EPDM seal to your facility, regardless of location.
How to install a GRUVLOK hinged clamp coupling?
Align the coupling over the grooved pipe ends, close the hinged clamp, and tighten the bolts evenly to the manufacturer's torque specification. Ensure the EPDM gasket is properly seated and lubricated for a leak-free seal.
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.








