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

GRUVLOK Metal Pipe Elbow: Concentric Reducer, 4 in x 1 1/2 in, Grooved x Threaded - Grooved Pipe Fittings
GRUVLOKGrooved Pipe Fittings

GRUVLOK Metal Pipe Elbow: Concentric Reducer, 4 in x 1 1/2 in, Grooved x Threaded

The GRUVLOK Metal Pipe Elbow is a concentric reducer grooved pipe fitting, type 4 in x 1 1/2 in with Grooved x Threaded connections, 3 in length (MPN 0390138089). 3G Electric interprets customer demand and delivers…

SKU 3G-OTH-460548

Brand
GRUVLOK
Item
Metal Pipe Elbow: Concentric Reducer, 4 in x 1 1/2 in, Grooved x Threaded
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
0390138089
Type
4 in x 1 1/2 in, Grooved x Threaded
Lg
3 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, type 4 in x 1 1/2 in with Grooved x Threaded connections, 3 in length (MPN 0390138089). 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands including GRUVLOK, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What is the GRUVLOK 4 in x 1 1/2 in concentric reducer used for?

This GRUVLOK metal pipe elbow is a concentric reducer used to transition between pipe sizes in grooved piping systems. It connects a 4-inch grooved pipe to a 1 1/2-inch threaded pipe, commonly applied in fire protection, HVAC, and industrial water lines.

What are the specifications of the GRUVLOK 0390138089 pipe fitting?

The GRUVLOK 0390138089 is a metal pipe elbow concentric reducer with a 4-inch x 1 1/2-inch size, grooved x threaded connections, and a 3-inch length. It is a grooved pipe fitting from GRUVLOK, designed for reliable pipe transitions in industrial systems.

Where to buy GRUVLOK pipe fittings worldwide?

3G Electric supplies GRUVLOK pipe fittings worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner for brands including GRUVLOK, Schneider, and ABB, we interpret your demand and deliver genuine industrial equipment to any location.

How to install a GRUVLOK grooved x threaded reducer?

Installation requires aligning the grooved end with a compatible coupling and tightening the threaded end with appropriate sealant. Ensure pipe ends are clean and deburred. Follow GRUVLOK's generic grooved fitting guidelines for torque and gasket lubrication to prevent leaks.

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.