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Shop Eaton Vickers PVHシリーズ可変軸ピストンポンプPVH057 PVH063 PVH074 PVH081 PVH098 PVH106 PVH131 PVH1411 - トンキーの機械

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Shop Eaton Vickers PVHシリーズ可変軸ピストンポンプPVH057 PVH063 PVH074 PVH081 PVH098 PVH106 PVH131 PVH1411

PVH141 Variable Axial Piston Pump

Axial Piston Design: Uses a rotating cylinder block with pistons that move axially (parallel to the shaft) to suck and discharge oil—ensures high pressure resistance and volumetric efficiency.

Variable Displacement Mechanism: Equipped with a swashplate or tiltable cylinder block; adjusts the piston stroke to change oil flow (eliminates the need for bypass valves, saving energy).

Built-In Protection: Most variants include a pressure relief valve (prevents overpressure) and anti-cavitation valves (protects against low suction pressure).

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PVH141 Variable Axial Piston Pump

Theoretical Displacement ~141 cm³/rev (立方センチメートル/回転) Defines the maximum oil volume the pump can discharge per shaft rotation (varies slightly by manufacturer calibration).
最大連続圧力 30 – 35 MPA (4350 – 5075 psi) 安全な長期動作圧力; ensures pump durability without component damage.
ピーク圧力 38 – 42 MPA (5510 – 6090 psi) 短時間 (≤5秒) 緊急または重荷シナリオへの圧力 (avoid prolonged operation at peak pressure).
定格速度 1800 – 2400 RPM (毎分回転数) 高容量効率のための最適な速度範囲 (≥92%) and low operating noise.
最小速度 ≥600 rpm キャビテーションを防ぎます (air bubbles in oil) and ensures consistent oil suction; この速度以下で長時間走ることは避けてください.
油圧液互換性 ISOS VG 32/46/68 mineral-based hydraulic oil Must meet cleanliness standard NAS 8 または高 (use high-efficiency suction/return line filters to avoid contamination).
動作温度範囲 -20°C〜 +80°C (-4°F〜 +176°F) Extreme temperatures (below -20°C or above +80°C) degrade seal performance and oil viscosity, leading to pump failure.

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