Stainless Steel Round Cap

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Useful Information

Technical Specification

  • Material: Stainless Steel - CF8M (316)
  • Connection Type: Round cap (blanking cap)
  • Standard: ISO 4144
  • Thread Type: BSPP (ISO 228)
  • Thread Gender: Female
  • Operating Temperature Range: -20°C to +220°C
  • Available Sizes: ⅛" to 4"
  • Manufacturing Standard: ASTM A-351

Description

This round cap is designed to blank off the end of a male-threaded fitting or pipe, providing a secure and pressure-tight seal. Manufactured from corrosion-resistant 316 stainless steel (CF8M), it offers outstanding performance in aggressive environments and high-hygiene applications. The BSPP parallel female thread ensures reliable compatibility with standard fittings, while the smooth, rounded exterior supports a compact and clean finish. Ideal for use in fluid, gas, and chemical systems where long-lasting sealing is essential.

Key Features & Benefits

  • Provides a reliable end seal for male-threaded pipe or fittings
  • 316 stainless steel for excellent corrosion and chemical resistance
  • BSPP female threads ensure accurate, leak-free installation
  • Conforms to ISO 4144 and ASTM A-351 manufacturing standards
  • Operates within -20°C to +220°C, suitable for demanding applications
  • Smooth round cap design supports hygienic system requirements
  • Commonly used in industrial, marine, and food-grade environments
  • Available in a wide range of sizes to suit various pipework systems

Round Cap - Stainless Steel Fittings

Nominal Diameter (inch) A (mm) Weight (kg)
15 0.008
¼ 16 0.013
16.5 0.017
½ 21 0.033
¾ 22 0.048
1 26 0.085
28 0.127
32 0.201
2 33.5 0.286
39 0.451
3 42 0.67
4 48.5 1.189

 

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
358097 SS Round Cap Threaded 1/8" £1.25 45%
You Pay:  £0.69
358098 SS Round Cap Threaded 1/4" £1.45 45%
You Pay:  £0.80
358099 SS Round Cap Threaded 3/8" £1.78 45%
You Pay:  £0.98
358100 SS Round Cap Threaded 1/2" £2.17 45%
You Pay:  £1.19
358101 SS Round Cap Threaded 3/4" £3.01 45%
You Pay:  £1.66
358102 SS Round Cap Threaded 1" £4.51 45%
You Pay:  £2.48
358103 SS Round Cap Threaded 1 1/4" £9.45 45%
You Pay:  £5.20
358104 SS Round Cap Threaded 1 1/2" £11.10 45%
You Pay:  £6.11
358105 SS Round Cap Threaded 2" £14.34 45%
You Pay:  £7.89
358106 SS Round Cap Threaded 2 1/2" £26.41 45%
You Pay:  £14.53
358107 SS Round Cap Threaded 3" £38.89 45%
You Pay:  £21.39
358108 SS Round Cap Threaded 4" £64.81 45%
You Pay:  £35.65