GRUVLOK 3 in x 3 in Ductile Iron NBR Seal Rigid Grooved Pipe Coupling 750 psi
The GRUVLOK Rigid Coupling is a rigid bolted-clamp grooved pipe coupling in a 3 in x 3 in size, constructed of ductile iron with an NBR seal and rated for a maximum operating pressure of 750 psi. 3G Electric sources…
SKU 3G-OTH-468321
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
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Product Description
The GRUVLOK Rigid Coupling is a rigid bolted-clamp grooved pipe coupling in a 3 in x 3 in size, constructed of ductile iron with an NBR seal and rated for a maximum operating pressure of 750 psi. 3G Electric sources this OEM part (MPN 390213258) 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 GRUVLOK, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
Frequently Asked Questions
What is a GRUVLOK rigid coupling used for?
A GRUVLOK rigid coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a leak-tight, mechanically locked connection rated for 750 psi, suitable for high-pressure water, oil, and gas applications.
What are the specifications of the GRUVLOK rigid coupling 390213258?
The GRUVLOK rigid coupling (MPN 390213258) is a 3 in x 3 in rigid bolted clamp made of ductile iron with an NBR seal. It has a maximum operating pressure of 750 psi and is designed for grooved pipe connections.
Where to buy GRUVLOK rigid coupling 390213258 worldwide?
3G Electric supplies the GRUVLOK rigid coupling 390213258 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this OEM part to your site, regardless of location.
How to install a GRUVLOK rigid coupling?
To install a GRUVLOK rigid coupling, ensure pipe ends are clean and grooved. Lubricate the NBR gasket, place it over one pipe end, then slide the coupling housing over both pipe ends. Tighten bolts evenly to the manufacturer's torque specification for a secure, leak-free joint.
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.
