Zero leak check valves suit critical flow control systems

Citation

(2007), "Zero leak check valves suit critical flow control systems", Aircraft Engineering and Aerospace Technology, Vol. 79 No. 6. https://doi.org/10.1108/aeat.2007.12779fad.018

Zero leak check valves suit critical flow control systems

Zero leak check valves suit critical flow control systems Among the important requirements for components specified for critical “hi- tech” flow control applications, such as fuel lines in aviation or formula one racing cars, are make it smaller, make it lighter. To meet these demands miniature component specialists Lee Products has developed a range of flow restrictors and check valves which are acknowledged as being the smallest insert check valves available (Figure 7).

The latest addition to this range is a 250 zero leak check valve, which is said to provide zero leakage flow control from 5 up to 3,000 psid. Despite a diameter of only 0.250 in., length of 0.80 in. and weighing just 3.8g, these valve provide flows of over 62 SLPM (air) at 25 psid. Maximum working pressure is 3,000 psid. About 250 zero leak check valves are available in forward and reverse flow configurations and use an elastomeric seat to ensure zero leakage. Other components are constructed entirely of stainless steel.

Figure 7 Zero leak check valves for critical flow systems

Typical applications for these valves are in aerospace, oil tool, industrial gas turbines or wherever high-technology engineering applications demand critical flow control using the smallest and lightest components available.

Details available from: Lee Products Ltd, Tel:+44 (0) 1753 886664, Fax:+44 (0) 1753 889588, E-mail: sales@leeproducts.co.uk