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Apeks XTX UST First Stage

The Apeks UST first stage is an unsealed version of the more common DST but still features four low pressure ports on a swivelling turret and two high pressure ports on the main body

The UST is a balanced diaphragm first stage delivering excellent performance and world renown Apeks reliability. The absence of the environment seal just means that the first stage should not be used in water temperatures below 10 degrees C.


  • Balanced diaphragm design
  • Unsealed system
  • Swivel low pressure turret.
  • 4 LP ports, 4 x 3/8 UNF
  • 2 HP ports, 7/16 UNF.

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