Industrial Brass Ball Valve Female NPT

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Useful Information

Technical Specification

  • Connection: Female / Female NPT Thread
  • Compliance: SA, UL & FM
  • Pressure Rating: 1/4" to 3/4" (50 Bar),
    1" to 1 1/4" (40 Bar), 1 1/2" to 2" (32 Bar), 2 1/2” - 4” 25 Bar
  • Operating Temperature: -20°C to 160°C
  • Bore: Full Bore
  • Stem: Anti-Blow Out

Description

This ball valve allows you to connect two male NPT threads while providing a secure and reliable shut-off mechanism for the flow of liquids and gases. Key features include screwed NPT (ANSI B1.20.1) threads, PTFE seats and seals, an anti-blow-out stem, and a full bore design. The valve is designed for a maximum pressure of up to 40 Bar and an operating temperature range of -20°C to 150°C, making it ideal for water distribution, gas pipelines, heating systems, and other applications requiring precise flow control.

Materials & Dimensions

  Description Materials
1 Body Brass / Nickel Plated CW617N
2 Cap Brass / Nickel Plated CW617N
3 Seat PTFE
4 Ball Brass / Chrome Plated CW617N
5 Stem Brass CW614N
6 O-Ring HNBR
7 Seal PTFE
8 Packing Nut Brass CW614N
9 Handle Steel Plastic Coated
10 Nut Steel Zinc Plated

 

Product Code Thread DN (inch) Ø (mm) F (mm) S(mm) H (mm) L (mm) Ch (mm) Kv (mm) Weight (kg)
353535 1/4 10 12 45 41 80 21 15 0.14
353536 3/8 10 12 45 41 80 21 15 0.14
353537 1/2 15 17 63 54 90 26 20 0.26
353538 3/4 20 19.5 71 58 90 31 45 0.37
353539 1 25 21 83 66 125 38 60 0.57
353540 1 1/4 32 22 92 71 125 48 100 0.84
353541 1 1/2 40 23.5 104 80 140 55 170 1.46
353542 2 50 28 124 88 140 68 265 2.09
353543 2 1/2 60 28 140 131 250 85 510 4.30
353544 3 74 30.5 159 140 250 99 790 6.00
353534 4 94 38 196 156 250 125 1230 9.25

 

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
353535 Brass Ball Valve NPT F/F 1/4" £13.66 50%
£6.83
353536 Brass Ball Valve NPT F/F 3/8" £13.66 50%
£6.83
353537 Brass Ball Valve NPT F/F 1/2" £21.56 50%
£10.78
353538 Brass Ball Valve NPT F/F 3/4" £28.90 50%
£14.45
353539 Brass Ball Valve NPT F/F 1" £44.88 50%
£22.44
353540 Brass Ball Valve NPT F/F 1 1/4" £69.08 50%
£34.54
353541 Brass Ball Valve NPT F/F 1 1/2" £101.32 50%
£50.66
353542 Brass Ball Valve NPT F/F 2" £155.62 50%
£77.81
353543 Brass Ball Valve NPT F/F 2 1/2" £358.90 50%
£179.45
353544 Brass Ball Valve NPT F/F 3" £501.03 50%
£250.52
353534 Brass Ball Valve NPT F/F 4" £759.77 50%
£379.89