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.
- Sandwich plate valve
- Porting pattern according to ISO 4401-05-04-0-05 and NFPA T3.5.1 R2-2002 D05
- 4 pressure ratings
- 6 directions of action, optional
- 1 or 2 pressure valve cartridges
- 4 adjustment types for pressure adjustment, optionally
- Rotary knob
- Bushing with hexagon and protective cap
- Lockable rotary knob with scale
- Rotary knob with scale
- Improved corrosion protection