Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

GRUVLOK Clamp Coupling: 12 in x 12 in, EPDM Seal, 800 psi, Ductile Iron - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 12 in x 12 in, EPDM Seal, 800 psi, Ductile Iron

The GRUVLOK Clamp Coupling is a grooved pipe coupling with a 12 in x 12 in fitting pipe size, featuring an EPDM seal, ductile iron construction, and grooved x grooved x grooved connections. It has a maximum operating…

SKU 3G-OTH-460137

Brand
GRUVLOK
Item
Clamp Coupling: 12 in x 12 in, EPDM Seal, 800 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
0390095420
Type
EPDM Seal, 800 psi, Ductile Iron, Grooved x Grooved x Grooved
Fitting Pipe Size
12 in x 12 in
Maximum Operating Pressure
800 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 grooved pipe coupling with a 12 in x 12 in fitting pipe size, featuring an EPDM seal, ductile iron construction, and grooved x grooved x grooved connections. It has a maximum operating pressure of 800 psi (MPN 0390095420).

Frequently Asked Questions

What is the GRUVLOK 12 in x 12 in clamp coupling used for?

This GRUVLOK grooved pipe coupling joins 12-inch grooved-end pipes in high-pressure industrial piping systems, such as fire protection, water supply, and process lines. Its ductile iron body and EPDM seal handle up to 800 psi, making it suitable for demanding applications where reliable, leak-free connections are critical.

What are the specifications of the GRUVLOK 0390095420 coupling?

The GRUVLOK 0390095420 is a 12 in x 12 in grooved clamp coupling with a maximum operating pressure of 800 psi. It features an EPDM seal, ductile iron construction, and grooved x grooved x grooved connections. The fitting pipe size is 12 in x 12 in, designed for use with grooved-end pipe.

Where to buy GRUVLOK 12 in grooved couplings worldwide?

3G Electric supplies and delivers the GRUVLOK 12 in grooved coupling (MPN 0390095420) to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance, ensuring you receive the correct genuine part for your piping system, regardless of your location.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK grooved coupling, ensure pipe ends are clean and have a proper groove. Lubricate the EPDM gasket and place it over both pipe ends. Position the coupling housing over the gasket, insert bolts, and tighten nuts evenly to the manufacturer's torque specification. Always follow GRUVLOK's installation instructions for safe, leak-free joints.

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: Rigid Bolted, 1 in x 1 in, Ductile Iron, NBR Seal, 300 psi (MPN 0390212652). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 1 in x 1 in.
GRUVLOK
GRUVLOK Clamp Coupling: Rigid Bolted, 1 in x 1 in, Ductile Iron, NBR Seal, 300 psi (MPN 0390212652). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 1 in x 1 in.
GRUVLOK Clamp Coupling: Clamp, 8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390211225). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390211225). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK Clamp Coupling: Bolted, 12 in x 12 in, Ductile Iron, EPDM Seal, 250 psi (MPN 0390007466). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 250 psi; Fitting Pipe Size: 12 in x 12 in.
GRUVLOK
GRUVLOK Clamp Coupling: Bolted, 12 in x 12 in, Ductile Iron, EPDM Seal, 250 psi (MPN 0390007466). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 250 psi; Fitting Pipe Size: 12 in x 12 in.
GRUVLOK Clamp Coupling: 2 1/2 in x 2 in, NBR Seal, 500 psi, Ductile Iron, Bolted, 6 3/8 in Lg (MPN 0390111060). Key specifications — Maximum Operating Pressure: 500 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 2 1/2 in x 2 in, NBR Seal, 500 psi, Ductile Iron, Bolted, 6 3/8 in Lg (MPN 0390111060). Key specifications — Maximum Operating Pressure: 500 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 8 in x 8 in, Ductile Iron, EPDM Seal, 600 psi (MPN 390213418). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 600 psi; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Clamp, 2 in x 2 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved (MPN 390213654). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK Metal Pipe Straight: Straight, 8 in x 8 in, Ductile Iron, NBR Seal, 300 psi @ 150° F (MPN 390006550). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK
GRUVLOK Metal Pipe Straight: Straight, 8 in x 8 in, Ductile Iron, NBR Seal, 300 psi @ 150° F (MPN 390006550). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK Clamp Coupling: Flex Bolted, 2 in x 2 in, Ductile Iron, EPDM Seal, 1,000 psi (MPN 0390003002). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 1,000 psi; Fitting Pipe Size: 2 in x 2 in.
GRUVLOK
GRUVLOK Clamp Coupling: Flex Bolted, 2 in x 2 in, Ductile Iron, EPDM Seal, 1,000 psi (MPN 0390003002). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 1,000 psi; Fitting Pipe Size: 2 in x 2 in.