Stainless Steel Flat Faced Union with Gasket

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Useful Information

Technical Specification

  • Material: Stainless Steel - CF8M (316)
  • Connection Type: Flat faced union with gasket
  • Thread Type: BSPP (ISO 7/1)
  • Thread Gender: Female x Female
  • Standard: ISO 4144
  • Operating Temperature Range: -20°C to +220°C
  • Maximum Working Pressure: 20 bar (temperature dependent)
  • Manufacturing Standard: ISO 9001:2015
  • Available Sizes: 1/8" to 4"

Description

Ideal for applications requiring a leak-tight and easily demountable joint, this flat faced union with gasket combines robust construction with reliable sealing. Manufactured from high-grade 316 stainless steel (CF8M), it resists corrosion in demanding environments and operates effectively across a broad temperature range. The flat face design, combined with a fitted gasket, provides consistent sealing performance, while BSPP threads allow for straightforward and secure installation in compatible systems.

Key Features & Benefits

  • Flat faced joint with gasket ensures a strong, leak-resistant seal
  • Corrosion-resistant 316 stainless steel for long-term durability
  • BSPP parallel threads support standardised pipe connections
  • Conforms to ISO 4144 and manufactured to ISO 9001:2015 standards
  • Wide operating range from -20°C to +220°C for versatile use
  • Supplied tested and inspected to ensure product integrity

Flat Faced Union with Gasket - Stainless Steel Fittings

Nominal Diameter (inch) A (mm) B (mm) C (mm) Weight (kg)
30.5 8.75 13 0.055
¼ 34 10.25 13.5 0.083
37 10.75 15.5 0.105
½ 40 12 16 0.116
¾ 43 13 17 0.198
1 50.5 15.25 20 0.265
54.5 16.25 22 0.406
58 17 24 0.462
2 65.5 19.25 27 0.684
75 22.75 29.5 1.47
3 83.5 26.25 31 1.88
4 110.5 38.25 34 3.16

 

Temperature (°C) Non-Shock Maximum Working Pressure (bar)
-20 to 40 20
100 16.5
150 15
200 14
220 13.5

 

IMPORTANT: The technical data given on this website is for preliminary information purposes only and is published without guarantee. All line drawings are for illustrative purposes only and should not be regarded as wholly accurate in every detail. We reserve the right to withdraw or to alter the specification of any product without notice. For more information, please consult our Terms of Business.

If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.

 

Grouped product items
Code Product Name List Price You Save You Pay Quantity
357971 SS Flat Faced Union PTFE Gasket Threaded 1/8" £6.13 45%
You Pay:  £3.37
357972 SS Flat Faced Union PTFE Gasket Threaded 1/4" £6.78 45%
You Pay:  £3.73
357973 SS Flat Faced Union PTFE Gasket Threaded 3/8" £7.58 45%
You Pay:  £4.17
357974 SS Flat Faced Union PTFE Gasket Threaded 1/2" £9.61 45%
You Pay:  £5.29
357975 SS Flat Faced Union PTFE Gasket Threaded 3/4" £13.01 45%
You Pay:  £7.16
357976 SS Flat Faced Union PTFE Gasket Threaded 1" £19.02 45%
You Pay:  £10.46
357977 SS Flat Faced Union PTFE Gasket Threaded 1 1/4" £27.33 45%
You Pay:  £15.03
357978 SS Flat Faced Union PTFE Gasket Threaded 1 1/2" £35.23 45%
You Pay:  £19.38
357979 SS Flat Faced Union PTFE Gasket Threaded 2" £47.67 45%
You Pay:  £26.22