TeeJet® ChemSaver® Diaphragm Check Valves


In this type of nozzle body, the diaphragm check valve is an integral part of the nozzle assembly. This design eliminates the pressure drop associated with ball-type check valves. This spring-backed diaphragm ensures dependable closure. Originally developed for use in aerial spraying, nozzle bodies of this design are now widely used whenever drip-free shutoff is required. For maximum operating pressures of 125 psi (9 bar).

Typical Assembly
  • End cap subassembly
  • Valve seat
  • Strainer
  • Orifice disc and core 


8355 

  • Made of nylon with nylon/polypropylene end cap assembly.
  • Check valve opens at 10 psi (0.7 bar) pressure.
  • Choice of 1/8" or 1/4" NPT (F) inlet connections.
  • Flow rate for 1/8" is 3 gpm at 5 psi pressure drop (11.4 l/min at 0.34 bar).
  • Flow rate for 1/4" is 3.9 gpm at 5 psi pressure drop (15 l/min at 0.34 bar).
  • Overall length 2-3/4" (70 mm). 
  • Weighs 1-1/2 ounces (43 g).

12328-NYB  

  • Made of nylon withi Celcon bonnet.
  • Check valve opens at 7 psi (0.5 bar) pressure.
  • (M) inlet connection and (F) outlet connections.
  • Choice of 1/2" and 3/4" NPT sizes.
  • Flow rate for 1/2" is 12 gpm at 5 psi pressure drop (45 l/min at 0.34 bar).
  • Flow rate for 3/4" is 16 gpm at 5 psi pressure drop (61 l/min at 0.34 bar).
  • Overall length 3" (76 mm).
  • Weighs 9 ounces (0.26 kg).

  8360

  • Made of nylon with nylon/polypropylene end cap assembly.
  • Check valve opens at 10 psi (0.7 bar) pressure.
  • 1/4" NPT (M) inlet connection.
  • Flow rate of 2.25 gpm at 5 psi pressure drop (8.5 l/min at 0.34 bar).
  • Overall length 2" (51 mm).
  • Weighs 1 ounce (28 g).
Documents
U.S. Catalog 50, page 64
Metric Catalog 50, page 64
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