Compare Model Drawings, CAD & Specs Port Size Availability Price
225 auto-soft flow actuated check valve
Check Valve, Flow Actuated, NW40 Size, Auto-Soft
$223
4 Weeks
NW40
4 Weeks
225 auto-soft flow actuated check valve
Check Valve, Flow Actuated, NW50 Size, Auto-Soft
$249
2 Weeks
NW50
2 Weeks

Specifications

  • Type
    Check Valve for Automatic Soft Starts
  • O-ring
    Viton®
  • Operating Temperature
    100°C max.
  • Tube Outer Diameter
    NW40, NW50
  • Required Clearance
    0.3 - 1.0 inches, depending on configuration
  • Spring Material
    Elgiloy®
  • Closing Flow
    NW40: 6 CFM/sec, NW50: 12 CFM/sec
  • Ring, Tabs, Stop & Axel Material
    Type 304 stainless steel
  • Vane Material
    Inconel® 625
  • Bearing Material
    Teflon®
  • Closing Time
    NW40: 10 ms, NW50: 12 ms
  • Opening Pressure
    NW40: 2 Torr, NW50: 3 Torr
  • Pumpdown Time
    Typical increase in pumpdown time is 3 times.
    Times were measured using a pump capacity of 27 CFM for NW 40, 70 CFM for NW 50 and a volume of 100 liters.

Features

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