We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
Image not available
GRUVLOKGrooved Pipe Fittings

GRUVLOK Metal Pipe Straight: Straight, 4 in x 4 in, Ductile Iron

The GRUVLOK Metal Pipe Straight is a 4 in x 4 in grooved pipe fitting made of ductile iron, rated for a maximum operating pressure of 300 psi at 150° F. This straight coupling is designed for use in industrial piping…

SKU 3G-OTH-460925

Brand
GRUVLOK
Item
Metal Pipe Straight: Straight, 4 in x 4 in, Ductile Iron
Category
Grooved Pipe Fittings
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

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.

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390039774
Type
4 in x 4 in, Ductile Iron, 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 fitting made of ductile iron, rated for a maximum operating pressure of 300 psi at 150° F. This straight coupling is designed for use in industrial piping systems requiring a reliable, grooved connection.

Frequently Asked Questions

What is the GRUVLOK 4 in x 4 in metal pipe straight used for?

The GRUVLOK metal pipe straight is a grooved pipe fitting used to connect two sections of 4-inch pipe in industrial piping systems. It provides a reliable, leak-resistant joint for applications such as water supply, fire protection, and process lines where ductile iron strength and 300 psi rating are required.

What are the specifications of the GRUVLOK 0390039774 pipe fitting?

The GRUVLOK 0390039774 is a 4 in x 4 in straight grooved pipe fitting made of ductile iron. It has a maximum operating pressure of 300 psi at 150° F. The fitting pipe size is 4 in x 4 in, and the manufacturer part number is 0390039774.

Where to buy GRUVLOK grooved pipe fittings worldwide?

3G Electric supplies GRUVLOK grooved pipe fittings worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source the GRUVLOK 4 in x 4 in straight fitting or other sizes for your piping system.

How to install a GRUVLOK grooved pipe straight fitting?

To install a GRUVLOK grooved pipe straight, ensure pipe ends are clean and properly grooved per manufacturer specifications. Lubricate the gasket, place it over the pipe ends, then position the coupling housing and tighten bolts evenly to the recommended torque. Always follow GRUVLOK's installation instructions for pressure ratings.

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 fittings. 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 →
This GRUVLOK fitting is a 45° grooved pipe elbow with a 2 in x 2 in pipe size. It is used to change the direction of fluid flow in grooved piping systems, commonly employed in industrial water, HVAC, and fire-protection applications
GRUVLOK
This GRUVLOK fitting is a 45° grooved pipe elbow with a 2 in x 2 in pipe size. It is used to change the direction of fluid flow in grooved piping systems, commonly employed in industrial water, HVAC, and fire-protection applications
This concentric reducer connects a 4-inch grooved pipe to a 2-inch grooved pipe, reducing flow diameter in a piping system. It is used in industrial water supply, fire protection, and process lines where a change in pipe size is required. The fitting features grooved ends for mechanical coupling and is 3 inches in length
GRUVLOK
This concentric reducer connects a 4-inch grooved pipe to a 2-inch grooved pipe, reducing flow diameter in a piping system. It is used in industrial water supply, fire protection, and process lines where a change in pipe size is required. The fitting features grooved ends for mechanical coupling and is 3 inches in length
This grooved pipe tee is used in industrial piping systems to branch flow. It has a 6 in x 6 in x 6 in fitting pipe size, a 6 in length, and an EPDM gasket. The tee is rated for a maximum operating pressure of 275 psi and is cULus Listed
GRUVLOK
This grooved pipe tee is used in industrial piping systems to branch flow. It has a 6 in x 6 in x 6 in fitting pipe size, a 6 in length, and an EPDM gasket. The tee is rated for a maximum operating pressure of 275 psi and is cULus Listed
This GRUVLOK grooved concentric reducer connects pipes of different diameters in mechanical piping systems. Made of ductile iron, it reduces flow from a 4 in line to a 2-1/2 in line while maintaining a straight, centered flow path. Rated for 300 psi at 150°F, it is suitable for use in fire protection, HVAC, and industrial process lines
GRUVLOK
This GRUVLOK grooved concentric reducer connects pipes of different diameters in mechanical piping systems. Made of ductile iron, it reduces flow from a 4 in line to a 2-1/2 in line while maintaining a straight, centered flow path. Rated for 300 psi at 150°F, it is suitable for use in fire protection, HVAC, and industrial process lines
This grooved pipe fitting is a straight reducer with a 2-1/2 inch by 1-1/4 inch size, constructed from ductile iron. It is rated for a maximum operating pressure of 300 psi at 150° F. Commonly used in fire protection, HVAC, and process piping systems for connecting or redirecting fluid flow
GRUVLOK
This grooved pipe fitting is a straight reducer with a 2-1/2 inch by 1-1/4 inch size, constructed from ductile iron. It is rated for a maximum operating pressure of 300 psi at 150° F. Commonly used in fire protection, HVAC, and process piping systems for connecting or redirecting fluid flow
This 45° grooved pipe elbow is used to change flow direction in grooved piping systems. Made of ductile iron, it has a 4 in x 4 in fitting size and a maximum operating pressure of 300 psi at 150° F. Common in fire protection, HVAC, and industrial process lines
GRUVLOK
This 45° grooved pipe elbow is used to change flow direction in grooved piping systems. Made of ductile iron, it has a 4 in x 4 in fitting size and a maximum operating pressure of 300 psi at 150° F. Common in fire protection, HVAC, and industrial process lines
This grooved pipe tee connects three pipe branches in a piping system. Constructed from carbon steel with an EPDM seal, it is rated for a maximum operating pressure of 300 psi at 150°F. The fitting pipe size is 12 in x 12 in x 6 in
GRUVLOK
This grooved pipe tee connects three pipe branches in a piping system. Constructed from carbon steel with an EPDM seal, it is rated for a maximum operating pressure of 300 psi at 150°F. The fitting pipe size is 12 in x 12 in x 6 in
Concentric reducer for transitioning pipe diameter from 6 inches to 2 inches. Features a grooved end and a threaded end for connection in industrial piping systems. Suitable for water, HVAC, and process piping applications requiring a reduction in line size
GRUVLOK
Concentric reducer for transitioning pipe diameter from 6 inches to 2 inches. Features a grooved end and a threaded end for connection in industrial piping systems. Suitable for water, HVAC, and process piping applications requiring a reduction in line size