双单向节流阀， Z2FS22
产品概述
双单向节流阀Z2FS22是一种叠加式设计的液压控制阀，主要用于限制液压系统中一个或两个工作油口的主流量或先导油流量。该阀通过调节节流口截面积实现流量控制，反向时油液通过单向阀自由回流，确保系统稳定性和效率。其设计适用于垂直叠加装配，可灵活选择进口或出口节流模式，满足不同工况需求。通径为22mm，工作压力可达31.5MPa，流量范围至360L/min，广泛应用于工程机械、冶金设备等领域。412
结构特点
Z2FS22采用对称布置的双单向节流阀结构，包含阀体、节流螺栓、调节螺钉、O形圈等组件。通过轴向调节节流阀芯改变节流口大小，实现精确流量控制；反向流动时，弹簧推动阀芯使油液经单向阀无阻碍通过。阀体材质为碳钢，密封件兼容矿物油和磷酸酯液压油，工作温度范围为-20℃至+80℃。其紧凑的叠加式设计便于集成到方向阀与底板之间，或用于先导阀与主阀间的阻尼调节。41417
功能优势
该阀具备流量调节范围大、内泄漏量小、调节力矩小等特点，能快速响应系统变化。进口或出口节流的选择可通过安装位置（6通径）或型号（16/22通径）实现，适配不同调速需求。例如，主流量控制时安装于方向阀与底板之间；先导流量控制时连接先导阀与主阀。对称设计的双节流阀可同时管理两条油路，提升系统协调性。6712
应用场景
Z2FS22适用于需要精确流量控制的液压系统，如挖掘机、高空作业平台等行走机械的调速回路，或机床、锻压设备的进给机构。其稳定性和耐用性在高压、大流量环境中表现突出，同时简化了系统布局，降低维护复杂度。用户可根据实际需求选择带刻度旋钮或内六角螺钉等调节方式。71822
Product Overview
The Z2FS22 double check throttle valve is a sandwich-mounted hydraulic control valve designed to regulate main or pilot flow rates in one or two working ports of a hydraulic system. By adjusting the throttle orifice area, it controls flow direction while allowing free reverse flow through integrated check valves. Suitable for vertical stacking, it offers flexible inlet/outlet throttling options with a nominal diameter of 22mm, operating pressure up to 31.5MPa, and flow capacity of 360L/min. Ideal for construction machinery and industrial hydraulics.412
Design Features
The valve features symmetrically arranged dual throttle-check units, including a valve body, throttle screw, adjusting spindle, and O-ring seals. Flow is precisely modulated via axial movement of the throttle spool; reverse flow bypasses through the check valve under spring force. Constructed from carbon steel, it supports mineral oil and phosphate ester fluids within -20°C to +80°C. Its compact sandwich design simplifies integration between directional valves and manifolds or as damping control in pilot circuits.41417
Performance Benefits
With broad flow adjustment range, minimal internal leakage, and low actuation torque, the valve ensures rapid system response. Inlet/outlet throttling modes are selectable by installation orientation (6mm size) or model variants (16/22mm), accommodating diverse speed regulation needs. Dual throttling paths enable synchronized management of parallel circuits, enhancing system efficiency. The design prioritizes reliability in high-pressure, high-flow environments.6712
Typical Applications
The Z2FS22 excels in applications demanding precise flow control, such as speed-adjustment circuits for excavators or aerial work platforms, and feed mechanisms in metalforming machines. Its robust performance under extreme conditions and modular configuration reduce maintenance efforts while optimizing space utilization. Users may select adjustment mechanisms like dial knobs or hex screws per operational preferences.71822
简单介绍
Z2FS22 双单向节流阀液控单向阀 Z2S10A1-1-3X 液控单向阀 Z2S10A2-1-3X 单向节流阀 Z2FS10-5-3X/V 单向节流阀 Z2FS6-2-4X/2QV 溢流阀 ZDB6VP2-4X/200V 溢流阀 ZDB6VP1-4X/315V 溢流阀 ZDB6VB2-4X/200V
Z2FS22 双单向节流阀
的详细介绍
Z2FS22 双单向节流阀
Z2FS型叠加式双单向节流阀
液控单向阀 Z2S6A-2-6X 液控单向阀 Z2S6B-1-6X 液控单向阀 Z2S10-1-3X 液控单向阀 Z2S10A1-1-3X 液控单向阀 Z2S10A2-1-3X 单向节流阀 Z2FS10-5-3X/V 单向节流阀 Z2FS6-2-4X/2QV 溢流阀 ZDB6VP2-4X/200V 溢流阀 ZDB6VP1-4X/315V 溢流阀 ZDB6VB2-4X/200V 溢流阀 ZDB6VC2-4X/315 溢流阀 ZDB10VA2-4X/100V 减压阀 ZDR6DA2-4X/75YM 减压阀 ZDR6DA2-4X/75Y 减压阀 ZDR6DA2-4X/150Y 减压阀 ZDR6DP2-4X/75YM 减压阀 ZDR6DP2-4X/150YM 减压阀 ZDR6DP2-4X/210YM 减压阀 ZDR10DP2-5X/150YM 减压阀 ZDR10DP2-5X/210YM 单向阀 Z1S6D2-3X 溢流阀 DBDS6P1X/25 溢流阀 DBDH6P1X/200 溢流阀 DBDS10K1X/315 溢流阀 DBDS20K1X/315
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