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Cartridge pressure relief valve MPBBB series

Cartridge pressure relief valve MPBBB series

Cartridge pressure relief valve MPBBB series

Product catalog summary
Technical Specifications
  • Operating Pressure: 350 BAR
  • Flow Rate: 20 L/min
  • Pilot Flow: 0.11 - 0.16 L/min
  • Temperature Range: -40°C to +120°C (-40°F to +250°F)
  • Cavity: T-163A
  • Fluids: Mineral-based fluids with viscosities of 7.4 to 420 cSt
Product Features
  • Reverse flow from reduced pressure (port 1) to inlet (port 2) may close the main spool. Consider adding a check valve for reverse free flow.
  • Pilot-operated valves have flat pressure/flow characteristics, good stability, and low hysteresis.
Operation

Pilot-operated pressure reducing valves adjust high primary pressure at the inlet (port 2) to a constant reduced pressure at port 1, enabling circuits with multiple pressure requirements using a single pump.

Performance Curve

The document includes a performance curve showing pressure drop versus flow, indicating no load pressure drop with the valve fully open.

Installation Dimensions

Detailed installation dimensions and torque specifications are provided for proper setup.

Order Type
  • Adjustment: Screw Adjust
  • Pressure Range: Various options from 75-4500 psi (5-315 bar) with preset at 200 psi (14 bar)
  • Seal-Kits: Buna N or Viton
  • Body Material: 6061-T6 aluminum (207 Bar) or steel (350 Bar)
  • Body Porting: Options include SAE 8T, G1/4, NPT1/4, with other porting available
Application Areas
  • Transmission, engine, and powertrain control
  • Building and road construction equipment
  • Agricultural and garden machinery
  • Forestry and resource management equipment
  • Waste disposal equipment
  • Other professional mobile and industrial applications
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Catalog excerpts

Cartridge pressure relief valve MPBBB series-1

MPBBB 减压阀 Pressure Reducing Valves 机能符号 Symbol 技术参数 Specifications ·工 作压 力 Operating Pressure 350BAR ·流 量 Flow 20L/min ·导 压流 量 Pliot Flow 0.11 - 0.16L/min ·温 度 Temperature -40°C to +120°(-40°F to+250°F) ·插 孔 Cavity T-163A ·流 体 Fluids Mineral-based fluids with viscosities of 7.4 to 420 cSt. 压力-流量 性能曲线 Performance Curve Pressure Drop vs.Flow 工作 Operation 先 导 控 制 式,减压 阀 将进口 ( 口2)高压主油 路 压力 调 节减至口1所需的 减 压 压 力 , 这样可以 利 用单一 泵 源实 现 多 种压力 需 求的油 路 。 Pilot-operated, pressure reducing Valve reduce a high primary pressure at the inlet (port 2) to a constant reduced pressure at port 1, allowing circuits with multiple pressure requirements to be operated using a single pump. 压力降 PRESSURE DROP psi(bar) ·从减压压力口(口1)到进口(口2)的反向液流可能导致主阀芯关闭。 如果油路中需要反向自由流,可以考虑在油路中加入单向阀。 Full reverse flow from reduced pressure (port 1) to inlet (port 2) may cause the main spool to close. If reverse free flow is required in the circuit, consider adding a separate check valve to the circuit. ·先导式操作阀具有非常平坦的压力/流量特性,良好的稳定性和极低的。 Pilot operated Valve exhibit exceptiona

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Cartridge pressure relief valve MPBBB series-2

安装尺寸 INSTALLATION DIMENSIONS HEX 4 HEX 12.7 扭矩TORQUE 10m max. 订购型号 Order Type Ⅰ Ⅱ Ⅲ Ⅰ. 调 节方 式 adjustment L=螺钉 调 整 Screw Adjust Ⅱ. 调 压范围 Pressure Range A=75-3000psi(5-210bar) Preset:200psi(14bar) B=75-1500psi(5-105bar) Preset:200psi(14bar) W=75-4500psi(5-315bar) Preset:200psi(14bar) N=75-800psi(5-55bar) Preset:200psi(14bar) Q=75-400psi(5-28bar) Preset:200psi(14bar) Ⅲ. 油 封 Seal-Kits N=丁腈橡 胶 Buna N V=氟 橡 胶 Viton Ⅳ. 阀块 材质 BODY MATERIAL A=6061- T6铝 耐 压 强度207Bar 6061-T6 aluminum alloy rated at 207Bar S=钢材 耐 压 强度350Bar steel rated at 350Bar

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Cartridge pressure relief valve MPBBB series-3

应用领域 AP P L I CATI ON ARE A · 传输、发动机和动 力传动 控制 Transmission, engine and powertrain control · 建筑和道路建设设 备 Building and road construction equipment · 农业和园林机械 Agricultural and garden machinery · 林业和资源管理设 备 Forestry and resource management equipment · 废弃物处理设备 Waste disposal

 Open the catalog to page 3

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