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Description:
A cartridge-style direct-acting spool-type pressure reducing/ relieving valve.
Operation:
In its steady state, the valve allows flow to pass bi-directional from ② to ①, with the spring chamber constantly drained at ③. on attainment of a pre-determined pressure at ①, the cartridge shifts to restrict input flow at ②, thereby regulating pressure at ①. In this mode, the valve will also relieve ① to ③ at approximately 10 bar over the reducing setting.
Specifications
| Operating pressure: | 207 Bar | 
| Flow: | See performance chart | 
| Internal leakage: | From ② to ③ (internal leakage ② to ③) 82 cc/ min. max. at ΔP 207 bar | 
| Reseat pressure: | 90% of crack pressure (crack pressure at 0.95 lpm/ 0.25 gpm) | 
| Standard spring ranges: | 5.5 to 27.6 bar, preset: 13.8 bar | 
| 13.8 to 55.2 bar, preset: 27.6 bar | |
| 20.7 to 103 bar, preset: 51.5 bar | |
| 27.6 to 145 bar, preset: 72.5 bar | |
| Temperature: | (-40℃ to +120℃) with NBR material seals | 
| Fluids: | Mineral-based fluids with viscosity of 7.4 to 420 cSt. | 
| Cavity: | HY10-3, see page H.1.4 | 
| Body material: | 6061-T6 Aluminum alloy rated 207 bar, steel & ductile iron rated to 350 bar | 

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