Buy directly from Alloy 254 Spring Check Valve Manufacturer in India

SMO 254 Check Valve

View dimension and pressure rating of 254 SMO Poppet Check Valve

Table of content

We keep ready stock of DIN 1.4547 Spring Check Valve in size range of 1/2″ to 2″

SMO 254 Check Valve Specification

Size Range
  • 1/8″ TO 2″
  • 6 MM TO 50 MM
Connection
  • Socket Weld End
  • Tube End
  • Flange End
  • Threaded
Threads
  • BSPP
  • METRIC
  • BSPT
  • NPT
  • UNF
  • JIC
Body Shape Hexagon
Pattern Flow Straight
Orifice Size 2 MM – 40 MM
Equivalent Brands
  • Parker
  • Hamlet
  • Dk-lok
  • Stauff
  • Hoke
  • Swagelok
  • Oliver Valves
Pressure Rating
  • 3000 PSI
  • 6000 PSI
  • 10000 PSI
  • 15000 PSI
  • 20000 PSI
Cracking Pressure 0.5 BAR
Type
  • Spring Type
  • Poppet Type
Media
  • Sea Water
  • Gas
  • Cold Water
  • Hydraulic Air
  • Oil
  • Chemical
  • Water
  • Hot Water
  • Steam
Body Type Forged, Bar Stock
Packing Details
  • Wooden Pallet
  • Box Packing

Alloy 254 instrumentation check valve types

SMO 254 Hydraulic Check Valve

SMO 254 Hydraulic Check Valve

Alloy 254 Inline Check Valve

Alloy 254 Inline Check Valve

UNS S31254 Nrv Valve

UNS S31254 Nrv Valve

Alloy 254 SMO Instrument Air Check Valve

Alloy 254 SMO Instrument Air Check Valve

DIN 1.4547 Non Return Valve

DIN 1.4547 Non Return Valve

254 SMO Spring Check Valve

254 SMO Spring Check Valve

ASTM A182 254 SMO Instrumentation Check Valve

ASTM A182 254 SMO Instrumentation Check Valve

A351 CK3MCuN Poppet Check Valve

A351 CK3MCuN Poppet Check Valve

Alloy 254 SMO Instrument Control Valve

Alloy 254 SMO Instrument Control Valve

Price list of UNS S31254 Check Valve

Price of Alloy 254 SMO Poppet Check Valve depends on several factors such as pressure rating, sizes, design type and grades. It normally range between 15$ to 80$ per piece. For updated price list of ASTM A182 254 SMO Instrumentation Check Valve contact us at sales@fit-lok.com

Supplier and stockist of UNS S31254 Piston Check Valve in Mumbai

Alloy 254 SMO Poppet Check Valve chemical composition

Grade % Ni Mo Cr Cu C N P Mn Si S
SMO 254 Min. 17.5 6 19.5 0.5 0.18
Max. 18.5 6.5 20.5 1 0.02 0.22 0.03 1 0.8 0.01

UNS S31254 inline Check Valves mechanical properties

Element Yield Strength (0.2%Offset) Elongation Melting Point Density Tensile Strength
SMO 254 300 35 % 1320-1390 ℃ 8.0 g/cm3 650

DIN 1.4547 Spring Check Valve equivalent grade

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

Material of construction of DIN 1.4547 Spring Check Valve

Component Material Grade/ ASTM Specification
Inlet body 6-Moly/B691
Poppet Fluorocarbon FKM-bonded alloy C-276/B574
Spring Alloy X-750 /AMS 5699
Poppet stop Alloy C-276/B575
Backup ring PTFE/D1710
O-ring Fluorocarbon FKM
Outlet body 6-Moly/B691
Lubricant PTFE-based

Pressure temperature rating of 254 SMO Hydraulic Check Valves

Material SMO 254
Temperature, °F (°C) Working Pressure, psig (bar)
–10 (–23) to 100 (37) 6000 (413)
200 (93) 5800 (399)
250 (121) 5500 (378)
300 (148) 5200 (358)
350 (176) 5000 (344)
400 (204) 4800 (330)

WNR 1.4547 Check Valves Dimensions

WNR 1.4547 Check Valves Dimensions

End Connections Pressure Rating at 100°F (37°C)
psig (bar)		 Cv Dimensions
in. (mm)
Type Size in. SMO 254 A B
Fractional tube fitting 1/4 5000 (344) 0.67 2.43 (61.7) 11/16
3/8 6000 (413) 1.8 2.75 (69.9) 1 1/16
1/2 2.96 (75.2)
3/4 5000 (344) 4.7 3.52 (89.4) 1 5/8
1 4500 (310) 3.88 (98.6)
Female NPT 1/4 5000 (344) 0.67 2.13 (54.1) 11/16
3/8 5300 (365) 1.8 2.55 (64.8) 1 1/16
1/2 4900 (337) 3.03 (77.0)
3/4 4600 (316) 4.7 3.23 (82.0) 1 5/8
1 4400 (303) 3.83 (97.3)
Male NPT 1/4 5000 (344) 0.67 2.17 (55.1) 11/16
3/8 6000 (413) 1.8 2.36 (59.9) 1 1/16
1/2 2.73 (69.3)
3/4 5000 (344) 4.7 3.29 (83.6) 1 5/8
1 3.67 (93.2)
UNS S31254 inline Check Valves are widely used in marine environment

6 Moly Alloy control check valve applications

  • Marine Applications
  • Oil & Gas Industry
  • Food and Beverage Industry
  • Water Treatment Plants
  • Pulp and Paper Industry
  • Power Generation
  • Refineries
  • Chemical Processing

254 Smo Instrumentation check valve benefits

  • Prevents Backflow
  • Compatibility with Aggressive Chemicals
  • Long Service Life
  • Resistance to Chlorides
  • Easy to Weld and Fabricate
  • Ability to Withstand High Temperatures
  • High Strength

DIN 1.4547 Check Valve Testing requirements

  • Seat Tightness Test
  • Corrosion Resistance Testing
  • Functional Testing
  • Hydrostatic Pressure Testing
  • Leakage Testing
  • Vibration Testing
  • Hardness Testing
  • Visual Inspection
  • Backflow Testing

Check Valve