EC Series Check Valves (ID=274)

10,000 psi

Alco's Non-Return Valve is designed for prevention of back flow in high pressure systems. The valve has a soft primary seat making it suitable for gases or liquids. Altogether a very compact unit, suitable for many arduous duties.

  • Primary soft seal for bubble tight close, with secondary metal-to-metal seal as standard
  • Available in 316/316L stainless steel
  • Close tolerance guided spring and piston to prevent grabbing or seizure
  • Repair/service kits available to extend service life further
  • Temperature range -40°C to 150°C
  • Full material traceability
  • Materials of construction supplied to meet the requirements of NACE MR 0175

EC Series Check Valves

Part NumberSizeABBoreCracking
Pressure
CVWeight
(in.) (mm) (in.) (mm) (in.) (mm) (lbs.) (Kg)
EC2NS 1/4" NPT 2.32 59 0.87 22 0.20 5.0 6 psi ± 25% 0.53 0.35 0.16
EC3NS 3/8" NPT 2.52 64 0.87 22 0.31 8.0 6 psi ± 25% 0.97 0.33 0.15
EC4NS 1/2" NPT 2.99 76 1.10 28 0.39 10 15 psi ± 25% 1.78 0.66 0.30
EC6NS 3/4" NPT 3.35 85 1.38 35 0.39 10 15 psi ± 25% 1.78 1.17 0.53
EC8NS 1" NPT 3.74 95 1.77 45 0.39 10 15 psi ± 25% 1.78 2.20 1.0

Item NumberDescriptionMaterialQuantity
1 Valve Body A479 UNS S31600 1
2 O-Ring HNBR 90 1
3 Piston A479 UNS S31600 1
4 Spring UNS S30200 1
5 Insert A479 UNS S31600 1

Products

Region:North America
Location of : United States: US: LooKupArray ( [userLocation] => US [userRegion] => North America )