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

GRUVLOK Metal Pipe Elbow: Concentric Reducer, 6 in x 4 in - Grooved Pipe Fittings
GRUVLOKGrooved Pipe Fittings

GRUVLOK Metal Pipe Elbow: Concentric Reducer, 6 in x 4 in

The GRUVLOK Metal Pipe Elbow is a concentric reducer grooved pipe fitting, sized 6 in x 4 in with a 4 in overall length (MPN 0390037307). This fitting connects pipes of different diameters in a grooved piping system…

SKU 3G-OTH-460954

Brand
GRUVLOK
Item
Metal Pipe Elbow: Concentric Reducer, 6 in x 4 in
Category
Grooved Pipe Fittings
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
0390037307
Type
6 in x 4 in
Overall Lg
4 in
Fitting Pipe Size
6 in x 4 in
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 Metal Pipe Elbow is a concentric reducer grooved pipe fitting, sized 6 in x 4 in with a 4 in overall length (MPN 0390037307). This fitting connects pipes of different diameters in a grooved piping system, reducing from 6 inches to 4 inches.

Frequently Asked Questions

What is a GRUVLOK concentric reducer elbow used for?

A GRUVLOK concentric reducer elbow connects two pipes of different diameters in a grooved piping system, reducing flow from 6 in to 4 in. It is commonly used in commercial and industrial applications such as HVAC, fire protection, and process piping where space constraints require a compact fitting.

What are the specifications of the GRUVLOK 6 in x 4 in reducer elbow?

This GRUVLOK metal pipe elbow is a concentric reducer with a 6 in x 4 in fitting pipe size and a 4 in overall length. The manufacturer part number is 0390037307. It is designed for grooved-end connections, enabling quick, reliable assembly without welding.

Where to buy GRUVLOK grooved pipe fittings worldwide?

3G Electric supplies GRUVLOK grooved pipe fittings, including the 6 in x 4 in concentric reducer elbow, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other GRUVLOK components.

How to install a GRUVLOK concentric reducer elbow?

Installation requires aligning the grooved ends of the reducer with mating pipe ends, then applying a gasket and coupling over the grooves. Tighten bolts evenly to manufacturer torque specifications. Always follow GRUVLOK's published installation instructions for proper sealing and joint integrity.

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
GRUVLOK Metal Pipe Elbow: 90° Elbow, 10 in x 10 in, Grooved x Grooved (MPN 0390116929). Key specifications — Brand: GRUVLOK.
GRUVLOK
GRUVLOK Metal Pipe Elbow: 90° Elbow, 10 in x 10 in, Grooved x Grooved (MPN 0390116929). Key specifications — Brand: GRUVLOK.
Metal Pipe Tee: 304 Stainless Steel, 3 in x 3 in x 2 in, 3 in Lg, EPDM (MPN 1330007985). Key specifications — Brand: GRUVLOK; Specific Fitting Shape: Tee; Standards: FM Approved; Fitting Pipe Size: 3 in x 3 in x 2 in.
GRUVLOK
Metal Pipe Tee: 304 Stainless Steel, 3 in x 3 in x 2 in, 3 in Lg, EPDM (MPN 1330007985). Key specifications — Brand: GRUVLOK; Specific Fitting Shape: Tee; Standards: FM Approved; Fitting Pipe Size: 3 in x 3 in x 2 in.
GRUVLOK Metal Pipe Elbow: Concentric Reducer, 10 in x 6 in, Grooved x Grooved, 6 in Lg (MPN 0390131266). Key specifications — Brand: GRUVLOK.
GRUVLOK
GRUVLOK Metal Pipe Elbow: Concentric Reducer, 10 in x 6 in, Grooved x Grooved, 6 in Lg (MPN 0390131266). Key specifications — Brand: GRUVLOK.
GRUVLOK Metal Pipe Tee: Tee, 4 in x 4 in x 3 in, Carbon Steel, EPDM Seal, 4 in Overall Lg (MPN 0390020667). Key specifications — Brand: GRUVLOK; Pipe Fitting Material: Carbon Steel; Fitting Pipe Size: 4 in x 4 in x 3 in.
GRUVLOK
GRUVLOK Metal Pipe Tee: Tee, 4 in x 4 in x 3 in, Carbon Steel, EPDM Seal, 4 in Overall Lg (MPN 0390020667). Key specifications — Brand: GRUVLOK; Pipe Fitting Material: Carbon Steel; Fitting Pipe Size: 4 in x 4 in x 3 in.
GRUVLOK Metal Pipe Straight: Straight, 2 1/2 in x 1 1/2 in, Ductile Iron, 300 psi @ 150° F (MPN 0390037075). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 2-1/2 in x 1-1/2 in.
GRUVLOK
GRUVLOK Metal Pipe Straight: Straight, 2 1/2 in x 1 1/2 in, Ductile Iron, 300 psi @ 150° F (MPN 0390037075). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 2-1/2 in x 1-1/2 in.
GRUVLOK Cap: Solid Cap, 2 1/2 in, Ductile Iron, 1,000 psi (MPN 0390030161). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 1,000 psi.
GRUVLOK
GRUVLOK Cap: Solid Cap, 2 1/2 in, Ductile Iron, 1,000 psi (MPN 0390030161). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 1,000 psi.
GRUVLOK Metal Pipe Tee: Tee, 5 in x 5 in x 5 in, Ductile Iron, EPDM Seal, 5 in Overall Lg (MPN 0390016905). Key specifications — Brand: GRUVLOK; Fitting Pipe Size: 5 in x 5 in x 5 in.
GRUVLOK
GRUVLOK Metal Pipe Tee: Tee, 5 in x 5 in x 5 in, Ductile Iron, EPDM Seal, 5 in Overall Lg (MPN 0390016905). Key specifications — Brand: GRUVLOK; Fitting Pipe Size: 5 in x 5 in x 5 in.
Metal Pipe Elbow: 304 Stainless Steel, 1 1/2 in x 1 1/2 in (MPN 1330007200). Key specifications — Brand: GRUVLOK; Specific Fitting Shape: 90° Elbow; Standards: ASTM A403 CR; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.
GRUVLOK
Metal Pipe Elbow: 304 Stainless Steel, 1 1/2 in x 1 1/2 in (MPN 1330007200). Key specifications — Brand: GRUVLOK; Specific Fitting Shape: 90° Elbow; Standards: ASTM A403 CR; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.