Black Steel Union Female / Female Steel/Brass Seat BSP

In stock

Buying Options

Quantity Image SKU Description Availability Price inc GST
7301.27.00

7301.27.15

1/2 Inch

In stock

$20.43
7301.27.00

7301.27.20

3/4 Inch

In stock

$29.01
7301.27.00

7301.27.25

1 Inch

In stock

$37.81
7301.27.00

7301.27.32

1.1/4 Inch

In stock

$50.72
7301.27.00

7301.27.40

1.1/2 Inch

In stock

$74.25
7301.27.00

7301.27.50

2 Inch

In stock

$104.16
7301.27.00

7301.27.65

2.1/2 Inch

In stock

$389.02
7301.27.00

7301.27.80

3 Inch

In stock

$468.89
7301.27.00

7301.27.94

4 Inch

In stock

$789.66

Description

Our Black Steel Union Female / Female Steel/Brass Seat BSP provides a durable, easy-to-install connection for joining two female threaded pipes. Designed for air, water, oil, or gas systems, this union allows convenient disconnection without cutting the pipe. The precision-machined steel or brass seat ensures a secure, leak-free seal even under high pressure.

Product Overview

Constructed from premium black steel, this union is designed for heavy-duty performance in industrial and commercial applications. The BSP parallel female threads provide a tight fit with compatible threaded components, while the steel or brass seating option enhances sealing reliability and corrosion resistance.

Construction & Design

This Black Steel Union features two female threaded ends and a central nut for easy assembly and disassembly. The seating interface—available in either steel or brass—provides excellent sealing performance. The black finish resists rust and wear, making it ideal for both temporary and permanent installations.

Key Features & Benefits

  • High-quality material: Made from durable black steel for superior strength and longevity.
  • Reliable seal: Steel or brass seat ensures leak-free performance under pressure.
  • Threaded BSP ends: Compatible with standard BSP fittings for easy connection.
  • Easy maintenance: Allows convenient pipe disassembly without cutting or welding.
  • Versatile use: Suitable for plumbing, air, oil, gas, and industrial systems.

Technical Specifications

Material Black Steel
Seat Material Steel to Brass
Connection Type Female BSP x Female BSP Threaded
Finish Black Steel (uncoated or black oxide)
Pressure Rating Up to 2″ = 20.7MPa, over 2″ = 10.3 MPa
Operating Temperature -20°C to +200°C
Standard BSP (British Standard Pipe)

Applications & Suggested Uses

  • Water, air, oil, and gas pipelines
  • Industrial plant piping and machinery connections
  • Maintenance applications requiring quick disassembly
  • Hydraulic and pneumatic systems
  • General plumbing and mechanical services

Performance & Maintenance

Our Black Steel Union provides a strong and reliable seal that withstands high pressure and vibration. Regular inspection and tightening of the union nut are recommended to maintain leak-free performance. Use with appropriate thread sealant or PTFE tape for optimal results.

Why Choose Our Black Steel Union?

Engineered for durability, our Black Steel Union with a steel or brass seat offers unmatched reliability in demanding environments. Whether used in industrial, plumbing, or mechanical systems, this union provides a robust solution for secure, leak-free pipe connections.

Black Steel Union Female / Female Steel/Brass Seat BSP
SKU IMPERIAL SIZE A B C
APPROX KG/PC
7301.27.15 1/2 46 42 26 0.23
7301.27.20 3/4 54 52 34 0.41
7301.27.25 1 61 61 40 0.58
7301.27.32 1 1/4 71 76 50 0.90
7301.27.40 1 1/2 82 83 56 1.28
7301.27.50 2 88 101 70 2.01
7301.27.65 2 1/2 108 120 86 3.59
7301.27.80 3 119 136 103 4.98
7301.27.94 4 121 163 127 6.55