Carpenter 20 Pneumatic needle valve Manufacturer in India

Alloy 20 needle valve

Biggest Supplier and Stockist of DIN 2.4660 Compression Needle Valve

Table of content

Alloy 20 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 20 angle needle valve chemical composition

Grade C Mn Si S Cu Ni Cr Fe Mo P
Alloy 20 0.07 max 2.00 max 1.00 max 0.035 max 3.00 – 4.00 32.00 – 38.00 19.00 – 21.00 29.85 min* 2.00 – 3.00 0.045 max

Carpenter 20 socket weld needle valve Mechanical properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Alloy 20 8.1 g/cm3 1443 °C (2430 °F) Psi -80,000, MPa -551 Psi – 35,000, MPa – 241 30 %

Equivalent grade of DIN 2.4660 needle valves

STANDARD WERKSTOFF NR. UNS EN AFNOR
Alloy 20 2.4660 N08020 NiCr20CuMo Z2NCUD31-20AZ

Pressure Rating Of Alloy 20 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 UNS N08020 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