ZDB – Pressure relief valves, sandwich module, pilot operated

Pressure relief valve types ZDB and Z2DB are pilot sandwich type pressure controls. ZDB versions offer single port pressure control, while Z2DB models offer dual port pressure control. Z2DB models can be configured as either port relief or cross port relief. The ZDB program offers multiple spring options.

Features

  • Sizes 6
  • For mounting:
    – Porting pattern according to ISO 4401-3, NFPA T3.5.1M R1,
    and ANSI B93.7 D 03
  • Four pressure ratings: 50 bar (725 PSI), 100 bar (1450 PSI),
    200 bar (2900 PSI), and 315 bar (4600 PSI)
  • Five pressure relief functions:
    – A → T; P → T; B → T; A → T as well as
    – A+B → T; A → B and B → A
  • Adjustment type:
    – Rotary knob with scale

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