We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

GRUVLOK Clamp Coupling: 3 in x 3 in, NBR Seal, 300 psi, Ductile Iron - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 3 in x 3 in, NBR Seal, 300 psi, Ductile Iron

The GRUVLOK Clamp Coupling is a 3 in x 3 in grooved pipe coupling with a ductile iron body and NBR seal, rated for a maximum operating pressure of 300 psi. It features a Grooved x Grooved x Grooved connection design…

SKU 3G-OTH-460136

Brand
GRUVLOK
Item
Clamp Coupling: 3 in x 3 in, NBR Seal, 300 psi, Ductile Iron
Category
Grooved Pipe Couplings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390209567
Type
NBR Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved
Maximum Operating Pressure
300 psi
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling is a 3 in x 3 in grooved pipe coupling with a ductile iron body and NBR seal, rated for a maximum operating pressure of 300 psi. It features a Grooved x Grooved x Grooved connection design (MPN 0390209567).

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 clamp coupling used for?

A GRUVLOK clamp coupling joins grooved-end pipes in fire protection, HVAC, and industrial piping systems. This 3 in x 3 in ductile iron model with NBR seal handles up to 300 psi, providing a reliable, leak-resistant connection for water, air, and other non-corrosive fluids.

What are the specifications of the GRUVLOK 0390209567 coupling?

The GRUVLOK 0390209567 is a 3 in x 3 in grooved pipe coupling with a ductile iron body and NBR seal. It features a Grooved x Grooved x Grooved connection design and a maximum operating pressure of 300 psi. The part number is 0390209567.

Where to buy GRUVLOK couplings worldwide?

3G Electric supplies GRUVLOK couplings worldwide, handling full logistics and customs clearance for international orders. As a global industrial sourcing partner, we provide genuine GRUVLOK parts like the 0390209567 clamp coupling to customers across multiple regions.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK coupling, ensure pipe ends are clean and grooved per manufacturer specs. Lubricate the NBR gasket and place it over the pipe ends. Position the ductile iron housing over the gasket, insert bolts, and tighten nuts evenly to the recommended torque for a 300 psi rated joint.

Used in

Common applications for GRUVLOK
Fire-protection systems — GRUVLOK ductile iron butterfly valves (e.g., SKU 3DVX7) for water-based sprinkler and standpipe networks.
Chemical processing — GRUVLOK carbon steel butterfly valve with 316 stainless steel disc (SKU 60WR76) for handling corrosive media.
General water distribution — GRUVLOK ductile iron butterfly valve with EPDM seat (SKU 60WR98) for municipal or industrial water lines.
HVAC piping — GRUVLOK grooved-end butterfly valves for chilled water or hot water systems requiring quick installation.
Industrial process control — GRUVLOK lever-operated butterfly valve (SKU 60WR82) for throttling or isolation in chemical media applications.

GRUVLOK 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from GRUVLOK

View all GRUVLOK parts
GRUVLOK Clamp Coupling: Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390211209). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 6 in x 6 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390211209). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 6 in x 6 in.
GRUVLOK Clamp Coupling: 5 in x 5 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved x Threaded (MPN 0390113280). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 5 in x 5 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved x Threaded (MPN 0390113280). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Rigid Bolted, 6 in x 6 in, Ductile Iron, NBR Seal, 750 psi, 11 in Overall Lg (MPN 0390010304). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 6 in x 6 in.
GRUVLOK
GRUVLOK Clamp Coupling: Rigid Bolted, 6 in x 6 in, Ductile Iron, NBR Seal, 750 psi, 11 in Overall Lg (MPN 0390010304). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 6 in x 6 in.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Clamp, 8 in x 8 in, NBR Seal, 600 psi, Ductile Iron, Grooved x Grooved (MPN 390213866). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: 6 in x 6 in, EPDM Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390209161). Key specifications — Maximum Operating Pressure: 300 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 6 in x 6 in, EPDM Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390209161). Key specifications — Maximum Operating Pressure: 300 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: 8 in x 8 in, EPDM Seal, 800 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390113410). Key specifications — Maximum Operating Pressure: 800 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 8 in x 8 in, EPDM Seal, 800 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390113410). Key specifications — Maximum Operating Pressure: 800 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Clamp, 1 in x 1 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390211001). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 1 in x 1 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 1 in x 1 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390211001). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 1 in x 1 in.
Clamp Coupling: 316 Stainless Steel, 12 in x 12 in, 18 53/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065320). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 12 in x 12 in.
GRUVLOK
Clamp Coupling: 316 Stainless Steel, 12 in x 12 in, 18 53/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065320). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 12 in x 12 in.