GRUVLOK Grooved Pipe Coupling
The GRUVLOK Rigid Coupling is an 8 in x 8 in grooved pipe clamp made of ductile iron with an NBR seal, designed for grooved x grooved connections. It has a maximum operating pressure of 600 psi (MPN 390213866).
SKU 3G-OTH-460115
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The GRUVLOK Rigid Coupling is an 8 in x 8 in grooved pipe clamp made of ductile iron with an NBR seal, designed for grooved x grooved connections. It has a maximum operating pressure of 600 psi (MPN 390213866).
Frequently Asked Questions
What is the GRUVLOK rigid coupling used for?
The GRUVLOK rigid coupling is used to join grooved-end pipes in industrial piping systems, providing a leak-tight, mechanically strong connection. It is commonly applied in HVAC, fire protection, and process piping where reliable sealing and pressure retention up to 600 psi are required.
What are the specifications of the GRUVLOK rigid coupling 390213866?
This GRUVLOK rigid coupling is an 8 in x 8 in clamp with a ductile iron body and NBR seal, designed for grooved x grooved connections. It has a maximum operating pressure of 600 psi. The manufacturer part number is 390213866.
Where to buy GRUVLOK rigid couplings worldwide?
3G Electric supplies GRUVLOK rigid couplings worldwide, handling full logistics and customs clearance for international orders. As a global industrial sourcing partner, we provide genuine GRUVLOK parts like the 390213866 coupling to customers across multiple industries.
How to install a GRUVLOK rigid coupling?
Installation requires aligning the grooved pipe ends, placing the coupling gasket over the joint, and tightening the bolts evenly to the manufacturer's torque specification. Always verify pipe-end preparation and lubricate the gasket as recommended. For specific torque values, consult the GRUVLOK installation manual.
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.
