Biggest manufacturer of UNS S31254 Compression Needle Valve in India

SMO 254 needle valve

We are leading Exporter of Werkstoff No 1.4547 Pneumatic Needle Valve in wide range of sizes

Table of content

SMO 254 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 254 angle needle valve chemical composition

SMO 254 C Ni Cr Mn Mo Fe Si S Cu P
0.002 maximum 17.05  to  18.05 19.05  to  20.05 1 maximum 6  to  6.05 to 0.08 maximum 0.001 maximum 0.05  to 1 0.003 maximum

SMO 254 socket weld needle valve Mechanical properties

Melting Point Density Tensile Strength Yield Strength (0.2%Offset) Elongation
1320 to 1390 ℃ 8.0 g/cm3 650 300 35 %

Equivalent grade of SMO 254 needle valves

STANDARD GOST WERKSTOFF NR. UNS JIS EN AFNOR SIS
SMO 254 – 1.4547 S31254 – X1CrNiMoCuN20-18-7 Z1 CNDU 20.18.06Az 2378

Pressure Rating Of DIN 1.4547 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 6 Moly Alloy needle valve 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