GRUVLOK Clamp Coupling: Flex Hinged, 1 in x 1 in, Ductile Iron, NBR Seal, 300 psi
The GRUVLOK Flex Hinged Clamp Coupling (MPN 0390200012) is a 1 in x 1 in grooved pipe coupling made of ductile iron with an NBR seal, rated for a maximum operating pressure of 300 psi and an overall length of 4 in…
SKU 3G-OTH-468157
Need installation or engineering help?
Ask a question
Product Description
The GRUVLOK Flex Hinged Clamp Coupling (MPN 0390200012) is a 1 in x 1 in grooved pipe coupling made of ductile iron with an NBR seal, rated for a maximum operating pressure of 300 psi and an overall length of 4 in. 3G Electric sources this genuine OEM component across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as an authorised distributor for brands including FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo and Fluke.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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. 3G Electric supplies this genuine OEM component worldwide.
What are the specifications of the GRUVLOK 0390200012 coupling?
The GRUVLOK Flex Hinged Clamp Coupling (MPN 0390200012) has a 1 in x 1 in fitting pipe size, ductile iron construction, NBR seal, maximum operating pressure of 300 psi, and overall length of 4 in. It is a grooved pipe coupling for rigid or flexible connections.
Where to buy GRUVLOK couplings in worldwide?
3G Electric sources and delivers genuine GRUVLOK couplings to worldwide locations. We handle full logistics and customs clearance as a global industrial supplier. Contact us for pricing and lead time on this 1 in x 1 in ductile iron coupling rated for 300 psi.
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 NBR seal is properly seated. 3G Electric supplies this GRUVLOK component and can provide technical support for installation.
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.






