RA0423000 Eaton R4000 Series 1/2 In-Line Check Valve - 1/2-14 Female NPTF - Buna-N Seal - Steel

  • $27.54
Eaton's RA4000 Series in-line check valves are designed to allow flow of fluid in one direction only and limit the line's internal pressure (to the cracking pressure). They are rugged and reliable, offer low pressure drop and have elastomer valve seals for leak-free operation. See How to Order Please reference Fluid Compatibility Chart (Both the elastomer and metal must be considered when determining suitability of combination for a coupling) SPECIFICATIONS
Applications & Markets:
  • Agriculture
  • Construction
  • Hydraulic Tools
  • General Industry
  • Fluid Transfer
  • Oil and Gas
Product Features:
  • One-piece zinc plated steel body
  • High strength steel valve provides excellent reliability under severe operating conditions
  • The valve has a captive nitrile (Buna-N) seal, assuring no leakage at low and high pressures
  • Low pressure drop versus flow rate
  • Cracking pressure: 7 psi (0.5 bar)
  • Cracking pressure is nonadjustable
Dimensions R4000 Series In-Line Check Valves - Female NPTF End Connections
Part Number Size Thread NPTF Dimensions Rated Pressure
in A in Hex in PSI bar
RA0421000 1/4 1/4-18 1.97 0.75 10,150 700
RA0422000 3/8 3/8-18 2.36 0.91 10,150 700
RA0423000 1/2 1/2-14 2.76 1.06 7,250 500
RA0424000 3/4 3/4-14 3.39 1.38 7,250 500
RA0425000 1 1-11 1/2 3.94 1.62 7,250 500
RA0429V0* 2 2-11 1/2 5.91 2.95 4,350 300
* Supplied with FKM seal