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FBRC TYPE Pipe Burst Safety Valve

Series of pictures

Explosion-proof valves are used in hydraulic excavators, mounted on hydraulic cylinders to prevent line (hose) rupture and are designed to meet ISO-8643 standards.

Drift diameter: 10/12/15

Rated pressure (bar / psi) : 420

Rated flow (L/min / gpm) : 50/120/150

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Series advantages

  • Compact design, stable and reliable

  • Fast response, shock resistant

  • Conforms to ISO 8643 standard

  • Enhanced system safety

Technical specifications

Rated   pressure 420 bar (6000 psi)
Rated   flow10E 50 L/min (13 gpm)
12E 120 L/min (31 gpm)
15E 150 L/min (39 gpm)
Pressure   adjustment range of relief valve 150 ~ 420 bar
Pilot   opening pressureadjustment range10E/12E 3 ~ 15 bar
15E 7 ~ 20 bar
Weight 10E: 2.0 kg;12E: 2.6 kg;15E: 3.8   kg
Fluid Mineral-based or synthetics with   lubricating properties
Viscosity   range 7.4 to 420 mm2/s
Temperature range-40 to 100 ℃ (Buna N seals)
-54 to   107 ℃ (Polyurethane seals)
-26 to   204 ℃ (Fluorocarbon seals)
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


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