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

3G Electric
RFQ CartGet a QuoteSign inSign up
APPROVED VENDOR Metal Pipe Flange: 4 in, Blind, Steel, Raised Flange - Blind Iron Pipe Flanges
APPROVED VENDORBlind Iron Pipe Flanges

APPROVED VENDOR Metal Pipe Flange: 4 in, Blind, Steel, Raised Flange

The APPROVED VENDOR Metal Pipe Flange is a 4-inch blind, steel, raised flange rated Class 300, with a maximum operating pressure of 725 psi @ 72 °F. This blind flange is designed to seal the end of a pipe or fitting…

SKU 3G-OTH-481029

Brand
APPROVED VENDOR
Item
Metal Pipe Flange: 4 in, Blind, Steel, Raised Flange
Category
Blind Iron Pipe Flanges
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
BULK-PF-553
Type
Blind, Steel, Raised Flange, Class 300
Maximum Operating Pressure
725 psi @ 72 °F
(DO NOT SEND) Manufacturer Location
Globally Sourced
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 Flange is a 4-inch blind, steel, raised flange rated Class 300, with a maximum operating pressure of 725 psi @ 72 °F. This blind flange is designed to seal the end of a pipe or fitting, providing a reliable closure in industrial piping systems.

Frequently Asked Questions

What is a blind pipe flange used for?

A blind pipe flange seals the end of a pipe, fitting, or valve in industrial piping systems. It provides a reliable closure for pressure testing, future branch connections, or permanent dead ends. The APPROVED VENDOR 4-inch blind flange is rated Class 300 and handles up to 725 psi at 72 °F.

What are the specifications of the APPROVED VENDOR 4-inch blind flange?

This blind flange is 4 inches, steel, raised face, Class 300, with a maximum operating pressure of 725 psi at 72 °F. The manufacturer part number is BULK-PF-553. It is designed to seal pipe ends in industrial systems and is supplied by 3G Electric.

Where to buy APPROVED VENDOR pipe flanges worldwide?

3G Electric supplies the APPROVED VENDOR 4-inch blind flange (BULK-PF-553) worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class 300 steel raised-face flange.

How to select the right blind flange for a piping system?

Match the flange size, pressure class, and face type to your pipe specifications. For the APPROVED VENDOR blind flange, ensure the nominal pipe size is 4 inches and the system pressure does not exceed 725 psi at 72 °F. Verify material compatibility with your fluid and temperature.

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 blind iron pipe flanges. 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 Flange: 24 in, Butt Weld, Carbon Steel, Raised Flange, Class 150 (MPN FL1RWNX24). Key specifications — Maximum Operating Pressure: 150 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Flange: 24 in, Butt Weld, Carbon Steel, Raised Flange, Class 150 (MPN FL1RWNX24). Key specifications — Maximum Operating Pressure: 150 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR Metal Pipe Flange: 14 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN FL3RBL14). Key specifications — Maximum Operating Pressure: 300 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Flange: 14 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN FL3RBL14). Key specifications — Maximum Operating Pressure: 300 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR Metal Pipe Flange: 18 in, Butt Weld, Carbon Steel, Raised Flange, Class 300 (MPN FL3RWNX18). Key specifications — Maximum Operating Pressure: 300 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Flange: 18 in, Butt Weld, Carbon Steel, Raised Flange, Class 300 (MPN FL3RWNX18). Key specifications — Maximum Operating Pressure: 300 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR Metal Pipe Flange: 12 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN FL3RBL12). Key specifications — Maximum Operating Pressure: 300 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Flange: 12 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN FL3RBL12). Key specifications — Maximum Operating Pressure: 300 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR Metal Pipe Flange: 8 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN 330-080-000). Key specifications — Maximum Operating Pressure: 740 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Flange: 8 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN 330-080-000). Key specifications — Maximum Operating Pressure: 740 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR Metal Pipe Flange: 16 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN FL3RBL16). Key specifications — Maximum Operating Pressure: 300 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Flange: 16 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN FL3RBL16). Key specifications — Maximum Operating Pressure: 300 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR Metal Pipe Flange: 1 1/4 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN 330-011-000). Key specifications — Maximum Operating Pressure: 740 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Flange: 1 1/4 in, Blind, Carbon Steel, Raised Flange, Class 300 (MPN 330-011-000). Key specifications — Maximum Operating Pressure: 740 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR Metal Pipe Flange: 6 in, Blind, Steel, Raised Flange, Class 150 (MPN FLCS1RFBL600). Key specifications — Maximum Operating Pressure: 150 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Flange: 6 in, Blind, Steel, Raised Flange, Class 150 (MPN FLCS1RFBL600). Key specifications — Maximum Operating Pressure: 150 psi; Brand: APPROVED VENDOR; (DO NOT SEND) Manufacturer Location: Globally Sourced.