• Hardened parts for long life and low leakage • ·Optional bias springs for back- pressure application flexibility • Fully guided check assembly • Fast closing and seating
Especificações técnicas
Rated pressure
240 bar (3500 psi)
Peak flow
94.6L/min (25 gpm)
Crack Pressure Defined
Gauge bar evident at ① at 16.4 mL/min attained
Standard bias springs at crack
0.3 bar 、1.7 bar
Cavity
VC12-2 (See technical reference)
Internal leakage
≤ 0.25 mL/min (5 drops/min) @240 bar
Fluid
Mineral-based or synthetics with lubricating properties
-40 to 100 ℃ (Buna N seals)
-26 to 204 ℃ (Fluorocarbon seals)
Viscosity range
7.4 to 420 mm2/s
Degree of fluid contamination
The minimum pollution level is ISO4406 level 20/18/14, and level
17/15/13 is recommended to prolong the service life