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Super duplex needle valve

Refer Sizes and Dimensions of UNS S32750 pneumatic needle valve

Table of content

Super duplex needle valve specification

sizes 1/4″ to 1″ (Female / Female BSP and BSPT), 3/8″ to 1″ (Female / Female NPT) and 1/4″ to 1/2″ (Male / Female BSPP).
Temperature range: -20°C to 230°C.
Operator Bar, hand operated.
Pressure rating: 6000 PSI.
Flow Rate .93, 2.34, 6.42, .70, 1.04, 3.62,.87 Cv
Applicable Standard
  • Design & Manufacture : BS 1868
  • Face to Face according to : ASME B16.10
  • Flange Dimensions as per: ASME B16.5
  • Pressure & Temperature : ASME B16.34
  • Test & Inspection accordance to : API 6D / API 598
  • Visual Inspection accordance to : MSS SP-55
  • Marking accordance to : MSS SP-25
Approvals
  • MSS SP-110
  • API-598
  • ANSI B1.20.1
  • ANSI B16.11
  • NACE Certified
  • ANSI B16.34
  • API 607 Fire Safe
Connection
  • Single Ferrule
  • Two Ferrule (Double Ferrule)
  • Twin Ferrule
  • Thread

Alloy 2507 angle needle valve chemical composition

Cr Ni Mo C N Mn
24.0-26.0 6.0-8.0 3.0-5.0 0.030 Max .24-.32 1.20 Max
Si Cu P S Fe
0.80 Max 0.50 Max 0.035 Max 0.020 Max Balance

SAF 2507 socket weld needle valve Mechanical properties

S32750 / S32760 Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
7.8 g/cm3 1350 °C (2460 °F) Psi – 80000,  MPa-550 Psi – 116000 , MPa – 800 15%

Equivalent grade of Uns S32750 needle valves

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
2507 S32750/S32760 – – 1.4410 – – –

Pressure Rating Of Super duplex steel needle valve

Port Size (BSP) Nominal Bore (Ømm) Media Pressure Media Temperature CV
1/8″ 5 0 to 408 Bar -20°C to 230°C
¼? 5 0 to 408 Bar -20°C to 230°C 0.4
3/8? 5 0 to 408 Bar -20°C to 230°C 0.4
½? 5 0 to 408 Bar -20°C to 230°C 0.6
¾? 6 0 to 408 Bar -20°C to 230°C 1.6
1? 8 0 to 408 Bar -20°C to 230°C 2.5

Size Chart of SDSS 2507 high pressure needle valve

Needle Valve size chart

Size L a b W H
1/8″ 56 28 28 60 80
¼” 56 28 28 60 80
3/8” 56 28 28 60 80
½” 58 28 28 60 81
¾” 62 35 35 60 85
1” 70 45 45 70 100

Valve