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

GRUVLOK Grooved Pipe Coupling - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Grooved Pipe Coupling

The GRUVLOK Metal Pipe Straight is a 4 in x 4 in grooved pipe coupling made of ductile iron with an EPDM seal, rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390007409). This straight coupling…

SKU 3G-OTH-468222

Brand
GRUVLOK
Item
Grooved Pipe Coupling
Category
Grooved Pipe Couplings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390007409
Type
4 in x 4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F
Fitting Pipe Size
4 in x 4 in
Maximum Operating Pressure
300 psi @ 150° F

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 Metal Pipe Straight is a 4 in x 4 in grooved pipe coupling made of ductile iron with an EPDM seal, rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390007409). This straight coupling provides a reliable connection for industrial piping systems.

Frequently Asked Questions

What is a GRUVLOK metal pipe straight used for?

A GRUVLOK metal pipe straight is a grooved pipe coupling used to connect two sections of 4-inch pipe in industrial piping systems. It provides a reliable, leak-resistant joint for applications such as HVAC, fire protection, and process piping, handling pressures up to 300 psi at 150° F.

What are the specifications of the GRUVLOK 0390007409?

The GRUVLOK 0390007409 is a 4 in x 4 in straight grooved coupling made of ductile iron with an EPDM seal. It has a maximum operating pressure of 300 psi at 150° F. This fitting is designed for use with grooved-end pipe in industrial and commercial systems.

Where to buy GRUVLOK metal pipe straight in worldwide?

3G Electric supplies the GRUVLOK metal pipe straight (MPN 0390007409) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ductile iron coupling.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK grooved pipe coupling, ensure pipe ends are clean and grooved per manufacturer specifications. Lubricate the EPDM gasket, place it over one pipe end, then slide the coupling housing over the gasket. Tighten bolts evenly to the recommended torque for a secure, leak-free 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
GRUVLOK
This rigid bolted-clamp grooved pipe coupling is constructed from ductile iron with an NBR seal. It is rated for a maximum operating pressure of 600 psi and is used to join grooved-end pipe in piping systems requiring a leak-tight, mechanically locked connection
This bolted ductile iron grooved pipe coupling is designed for joining grooved-end pipe in mechanical piping systems. It features an EPDM seal and a maximum operating pressure of 1,000 psi. Overall length is 4-5/8 in
GRUVLOK
This bolted ductile iron grooved pipe coupling is designed for joining grooved-end pipe in mechanical piping systems. It features an EPDM seal and a maximum operating pressure of 1,000 psi. Overall length is 4-5/8 in
This grooved pipe coupling is used to join grooved-end pipes in piping systems. It features a ductile iron housing with an EPDM seal, rated for a maximum operating pressure of 300 psi at 150°F. Suitable for applications such as fire protection, HVAC, and industrial piping
GRUVLOK
This grooved pipe coupling is used to join grooved-end pipes in piping systems. It features a ductile iron housing with an EPDM seal, rated for a maximum operating pressure of 300 psi at 150°F. Suitable for applications such as fire protection, HVAC, and industrial piping
This grooved pipe coupling joins grooved-end pipe in piping systems. It features a ductile iron housing with an EPDM seal and is rated for a maximum operating pressure of 300 psi at 150°F. The coupling provides a flexible, leak-tight connection for applications such as fire protection, HVAC, and industrial piping
GRUVLOK
This grooved pipe coupling joins grooved-end pipe in piping systems. It features a ductile iron housing with an EPDM seal and is rated for a maximum operating pressure of 300 psi at 150°F. The coupling provides a flexible, leak-tight connection for applications such as fire protection, HVAC, and industrial piping
This grooved pipe coupling joins grooved-end pipes in mechanical piping systems. Constructed of ductile iron with an NBR seal, it provides a flexible connection rated for 300 psi at 150°F. Suitable for use in fire protection, HVAC, and industrial piping applications
GRUVLOK
This grooved pipe coupling joins grooved-end pipes in mechanical piping systems. Constructed of ductile iron with an NBR seal, it provides a flexible connection rated for 300 psi at 150°F. Suitable for use in fire protection, HVAC, and industrial piping applications
This grooved pipe coupling joins 2-inch grooved-end pipe in fire protection, HVAC, and industrial piping systems. Constructed of ductile iron with an NBR seal, it provides a flexible, leak-tight connection rated for a maximum operating pressure of 300 psi at 150°F
GRUVLOK
This grooved pipe coupling joins 2-inch grooved-end pipe in fire protection, HVAC, and industrial piping systems. Constructed of ductile iron with an NBR seal, it provides a flexible, leak-tight connection rated for a maximum operating pressure of 300 psi at 150°F
This GRUVLOK grooved pipe coupling connects three 3-inch grooved-end pipes in fire protection, HVAC, and industrial piping systems. It features a ductile iron body with an EPDM seal and is rated for a maximum operating pressure of 1,000 psi
GRUVLOK
This GRUVLOK grooved pipe coupling connects three 3-inch grooved-end pipes in fire protection, HVAC, and industrial piping systems. It features a ductile iron body with an EPDM seal and is rated for a maximum operating pressure of 1,000 psi
Grooved pipe coupling with ductile iron body and EPDM seal, rated for 300 psi. Features grooved x grooved x grooved connections for joining grooved-end pipes in fire protection, HVAC, and industrial piping systems
GRUVLOK
Grooved pipe coupling with ductile iron body and EPDM seal, rated for 300 psi. Features grooved x grooved x grooved connections for joining grooved-end pipes in fire protection, HVAC, and industrial piping systems