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APPROVED VENDOR Metal Pipe Flange: 4 in, Carbon Steel, Lap Joint Flange - Lap Joint Steel Pipe Flanges
APPROVED VENDORLap Joint Steel Pipe Flanges

APPROVED VENDOR Metal Pipe Flange: 4 in, Carbon Steel, Lap Joint Flange

The APPROVED VENDOR Metal Pipe Flange is a 4-inch Carbon Steel Lap Joint Flange, Class 300 (MPN 351-040-000), rated for a maximum operating pressure of 740 psi. This flange is designed for use in piping systems…

SKU 3G-OTH-479291

Brand
APPROVED VENDOR
Item
Metal Pipe Flange: 4 in, Carbon Steel, Lap Joint Flange
Category
Lap Joint Steel Pipe Flanges
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
351-040-000
Type
Carbon Steel, Lap Joint Flange, Class 300
Maximum Operating Pressure
740 psi
(DO NOT SEND) Manufacturer Location
Globally Sourced
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Metal Pipe Flange is a 4-inch Carbon Steel Lap Joint Flange, Class 300 (MPN 351-040-000), rated for a maximum operating pressure of 740 psi. This flange is designed for use in piping systems requiring a loose, rotating companion flange for alignment flexibility.

Frequently Asked Questions

What is an APPROVED VENDOR 4 in lap joint flange used for?

This 4-inch carbon steel lap joint flange, Class 300, is used in piping systems where alignment flexibility is needed. It allows the flange to rotate freely around the pipe, simplifying bolt-hole alignment during installation. Common in industrial process lines, it supports pressures up to 740 psi.

What are the specifications of the APPROVED VENDOR 351-040-000 flange?

The APPROVED VENDOR 351-040-000 is a 4-inch carbon steel lap joint flange, Class 300, with a maximum operating pressure of 740 psi. It is designed for loose, rotating companion flange applications, providing alignment flexibility in piping systems.

Where to buy APPROVED VENDOR pipe flanges worldwide?

3G Electric supplies the APPROVED VENDOR 351-040-000 lap joint flange to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact us for availability and lead time on this and other industrial flanges across 14 departments.

How to install a lap joint flange like the APPROVED VENDOR 351-040-000?

Installation involves sliding the loose flange over the pipe stub end, then aligning bolt holes with the mating flange. Use proper gaskets and torque bolts evenly to the recommended specification for Class 300. Always follow ASME B31.3 or applicable piping code for safe assembly.

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 lap joint steel pipe flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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