GRUVLOK Rigid Coupling
The GRUVLOK Rigid Coupling is a grooved pipe clamp coupling with a 3 in x 3 in size, NBR seal, and ductile iron construction, rated for a maximum operating pressure of 750 psi. It connects grooved x grooved pipe ends…
SKU 3G-OTH-460113
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The GRUVLOK Rigid Coupling is a grooved pipe clamp coupling with a 3 in x 3 in size, NBR seal, and ductile iron construction, rated for a maximum operating pressure of 750 psi. It connects grooved x grooved pipe ends for rigid mechanical joining.
Frequently Asked Questions
What is a GRUVLOK rigid coupling used for?
A GRUVLOK rigid coupling is used to mechanically join grooved-end pipe in industrial fire protection, HVAC, and process piping systems. It provides a rigid, leak-tight connection rated for up to 750 psi, suitable for high-pressure water, air, and other non-corrosive fluids.
What are the specifications of the GRUVLOK rigid coupling 390213858?
The GRUVLOK rigid coupling model 390213858 is a 3 in x 3 in grooved x grooved clamp with an NBR seal and ductile iron construction. It has a maximum operating pressure of 750 psi and is designed for rigid mechanical joining of grooved pipe ends.
Where to buy GRUVLOK rigid couplings worldwide?
3G Electric supplies GRUVLOK rigid couplings worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 3 in x 3 in model 390213858.
How to install a GRUVLOK rigid coupling?
To install a GRUVLOK rigid coupling, ensure pipe ends are clean and grooved per manufacturer specifications. Lubricate the NBR gasket, place it over one pipe end, then slide the coupling housing over both pipe ends. Tighten bolts evenly to the torque recommended by GRUVLOK for a rigid 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.
