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

APPROVED VENDOR Metal Pipe Straight: Coupling Body, Carbon Steel, 3 in x 3 in - Socket-Weld Extreme-Pressure Pipe Fittings
APPROVED VENDORSocket-Weld Extreme-Pressure Pipe Fittings

APPROVED VENDOR Metal Pipe Straight: Coupling Body, Carbon Steel, 3 in x 3 in

The APPROVED VENDOR Metal Pipe Straight: Coupling Body is a socket-weld extreme-pressure pipe fitting, specifically a carbon steel coupling with a 3 in x 3 in size and Class 3000 rating (MPN 1MNX7). This coupling…

SKU 3G-OTH-463245

Brand
APPROVED VENDOR
Item
Metal Pipe Straight: Coupling Body, Carbon Steel, 3 in x 3 in
Category
Socket-Weld Extreme-Pressure 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

APPROVED VENDOR
Manufacturer Part Number
1MNX7
Type
Carbon Steel, 3 in x 3 in, Class 3000
Connector Type
Coupling
Fitting Pipe Size
3 in x 3 in
Pipe Fitting Material
Carbon Steel
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

APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Metal Pipe Straight: Coupling Body is a socket-weld extreme-pressure pipe fitting, specifically a carbon steel coupling with a 3 in x 3 in size and Class 3000 rating (MPN 1MNX7). This coupling body is designed for joining pipes in high-pressure systems, with the material and class rating indicating its suitability for demanding industrial applications.

Frequently Asked Questions

What is the APPROVED VENDOR 1MNX7 coupling used for?

The APPROVED VENDOR 1MNX7 is a carbon steel socket-weld coupling body rated Class 3000, used to join pipes in extreme-pressure industrial systems such as steam, oil, and gas lines. Its 3 in x 3 in size and material make it suitable for demanding applications requiring reliable, leak-resistant connections.

What are the specifications of the APPROVED VENDOR 1MNX7?

The APPROVED VENDOR 1MNX7 is a carbon steel pipe coupling with a 3 in x 3 in fitting size and Class 3000 pressure rating. It is a socket-weld extreme-pressure pipe fitting, designed for permanent, high-strength joints in heavy-duty piping systems.

Where to buy the APPROVED VENDOR 1MNX7 worldwide?

3G Electric supplies the APPROVED VENDOR 1MNX7 carbon steel coupling body to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site, ensuring you receive the correct Class 3000 fitting for your high-pressure application.

How to install the APPROVED VENDOR 1MNX7 coupling?

Install the APPROVED VENDOR 1MNX7 by inserting pipe ends into the socket ends and applying a full-fillet weld around each joint. Ensure pipes are clean and properly aligned before welding. Follow standard socket-weld procedures for Class 3000 carbon steel fittings to maintain pressure integrity.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR socket-weld extreme-pressure 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 APPROVED VENDOR

View all APPROVED VENDOR parts
APPROVED VENDOR Metal Pipe Elbow: 90° Elbow, Carbon Steel, 1/2 in x 1/2 in, Class 3000 (MPN 1MNL4). Key specifications — Pipe Fitting Material: Carbon Steel; Fitting Pipe Size: 1/2 in x 1/2 in.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Elbow: 90° Elbow, Carbon Steel, 1/2 in x 1/2 in, Class 3000 (MPN 1MNL4). Key specifications — Pipe Fitting Material: Carbon Steel; Fitting Pipe Size: 1/2 in x 1/2 in.
APPROVED VENDOR Metal Pipe Elbow: 45° Elbow, Carbon Steel, 2 in x 2 in, Class 3000 (MPN 1MNP3). Key specifications — Pipe Fitting Material: Carbon Steel; Fitting Pipe Size: 2 in x 2 in.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Elbow: 45° Elbow, Carbon Steel, 2 in x 2 in, Class 3000 (MPN 1MNP3). Key specifications — Pipe Fitting Material: Carbon Steel; Fitting Pipe Size: 2 in x 2 in.
APPROVED VENDOR Cap: Cap, Carbon Steel, 3 in, Socket, Class 3000 (MPN 1MNW4). Key specifications — Pipe Fitting Material: Carbon Steel.
APPROVED VENDOR
APPROVED VENDOR Cap: Cap, Carbon Steel, 3 in, Socket, Class 3000 (MPN 1MNW4). Key specifications — Pipe Fitting Material: Carbon Steel.
APPROVED VENDOR Metal Pipe Tee: Tee, Carbon Steel, 1 1/2 in x 1 1/2 in x 1 1/2 in, Class 3000 (MPN 1MNR5). Key specifications — Pipe Fitting Material: Carbon Steel; Fitting Pipe Size: 1-1/2 in x 1-1/2 in x 1-1/2 in.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Tee: Tee, Carbon Steel, 1 1/2 in x 1 1/2 in x 1 1/2 in, Class 3000 (MPN 1MNR5). Key specifications — Pipe Fitting Material: Carbon Steel; Fitting Pipe Size: 1-1/2 in x 1-1/2 in x 1-1/2 in.
APPROVED VENDOR Metal Pipe Straight: Straight, Steel, 1/2 in x 1/4 in, Female Socket x Female Socket (MPN 1MNZ4). Key specifications — Connector Type: Reducer; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 1/4 in.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Straight: Straight, Steel, 1/2 in x 1/4 in, Female Socket x Female Socket (MPN 1MNZ4). Key specifications — Connector Type: Reducer; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 1/4 in.
APPROVED VENDOR Metal Pipe Straight: Union, Carbon Steel, 3 in x 3 in, Female Socket x Female Socket (MPN 1MNV2). Key specifications — Pipe Fitting Material: Carbon Steel; Connector Type: Union; Fitting Pipe Size: 3 in x 3 in.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Straight: Union, Carbon Steel, 3 in x 3 in, Female Socket x Female Socket (MPN 1MNV2). Key specifications — Pipe Fitting Material: Carbon Steel; Connector Type: Union; Fitting Pipe Size: 3 in x 3 in.
APPROVED VENDOR Metal Pipe Straight: Straight, Carbon Steel, 1 1/4 in x 1 in, Class 3000 (MPN 1MPA1). Key specifications — Pipe Fitting Material: Carbon Steel; Connector Type: Bushing; Fitting Pipe Size: 1-1/4 in x 1 in.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Straight: Straight, Carbon Steel, 1 1/4 in x 1 in, Class 3000 (MPN 1MPA1). Key specifications — Pipe Fitting Material: Carbon Steel; Connector Type: Bushing; Fitting Pipe Size: 1-1/4 in x 1 in.
APPROVED VENDOR Metal Pipe Straight: Union, Carbon Steel, 2 1/2 in x 2 1/2 in, Class 3000 (MPN 1MNV1). Key specifications — Pipe Fitting Material: Carbon Steel; Connector Type: Union; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Straight: Union, Carbon Steel, 2 1/2 in x 2 1/2 in, Class 3000 (MPN 1MNV1). Key specifications — Pipe Fitting Material: Carbon Steel; Connector Type: Union; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.