产品名称：东京计器TOKYOKEIKI单向阀C5G-825-JA-S160
产品型号：C5G-825-JA-s160
产品报价：3800
产品特点：东京计器TOKYOKEIKI单向阀C5G-825-JA-S160 ，在一般情况下液压油可以向两个方向自由流动，通过外部的先导压力可关闭两个方向的流动。英文品名：Pilot operated check valves。适用液压油 ：石油类液压油、水乙二醇类液压油。
C5G-825-JA-s160东京计器TOKYOKEIKI单向阀C5G-825-JA-S160的详细资料：
一、型号完整拆解（C5G-825-JA-S160）
（Ｆ３）-Ｃ５Ｇ-８２５-（Ｓ３）-ＪＡ-（１１）-（Ｓ１６０）-（Ｍ）
（１）（２） （３） （４） （５） （６） （７）
直角型单向阀（板式安装型） C2G/C5G
Angle type check valves (subplate mounting type)
（１）适用液压油：
无记号：石油类液压油、水乙二醇类液压油
F3：磷酸酯类液压油
（２）直角型单向阀 （板式安装型）
（３）尺寸规格标称
参照［规格］
东京计器 C5G-825-JA-S160 板式直角单向阀TOKYOKEIKI
（４）开启压力：0.035MPa
（５）设计编号：只在型号为 C2G-805 时标注 JA
（６）特型编号：
S51：带阀开度调节机构（适用于 C2G-805）
S160：带阀开度调节机构（适用于 C2G-815 以及 C5G-825）
（注）特型编号 S51，S160 的Ma.使用压力为 14MPa
（７）阀安装螺栓的种类：
C2G-805,C2G-815,C5G-815 可以使用没有记号的公制螺纹和统一螺纹。
C5G-825 如下：
无记号：统一螺纹（3/4-10UNC）
M：公制螺纹（M20）
东京计器TOKYOKEIKI单向阀C5G-825-JA-S160
二、核心技术参数
参数名称 | 具体规格 |
|---|---|
产品类型 | 直角式单向阀（单向流通，反向截止） |
公称通径 | 适配NG10规格（贴合ISO 4401-05安装标准） |
开启压力 | 1.60 MPa（16 bar）（由S160代码指定） |
额定压力 | 35 MPa（350 bar）（适配中高压系统） |
max.流量 | 约80 L/min（适配中大流量工况） |
适用介质 | 矿物油、水-乙二醇（标准型） |
工作油温 | -20°C ~ +80°C |
安装方式 | 直角式安装，贴合ISO 4401-05（CETOP 5）安装面 |
阀体材质 | 高强度铸铁（耐腐蚀、抗高压，延长使用寿命） |
密封材质 | NBR丁腈橡胶（适配常规液压油，密封性能可靠，防止内漏） |
三、结构特点与核心功能
1. 结构特点
直角式结构：进出油口呈直角布局，适配液压系统中管路转向安装需求，节省安装空间，同时优化流道设计，减少油液流动阻力，降低系统能耗。
精密密封设计：阀芯与阀体采用高精度配合，搭配NBR密封组件，内泄漏极小，可有效保持回路压力，适配保压回路需求。
叠加式兼容安装：JA安装面符合国际标准，可直接叠加在电磁阀或液压阀块上，无需额外管路，安装便捷且美观，适配东京计器及其他兼容品牌的液压单元。
高可靠性：日本原厂制造，关键部件采用高强度材质，抗冲击、耐高压，可适应频繁启停的工况，使用寿命长。
2. 核心功能
单向流通控制：仅允许液压油从进油口（P口）正向流向出油口（A口），反向流动时自动截止，防止油液逆流损坏液压泵、控制阀等核心部件，是液压系统的基础保护元件。
回路保压：通过反向截止功能，可辅助保持液压回路中的压力稳定，避免因压力泄漏导致执行元件（如油缸、液压马达）位置偏移。
低压力损失：优化的流道设计配合精准的开启压力设定，在确保单向截止可靠性的同时，减少油液流动过程中的压力损失，提升系统运行效率。
四、典型应用场景
工业机械：注塑机、压铸机、液压机的液压回路，用于防止油液逆流、保护液压泵及执行元件。
机床设备：各类精密机床（如磨床、铣床、加工中心）的液压系统，辅助保持回路压力，确保机床运行精度。
工程机械与船舶液压系统：适配高压工况，防止油液逆流导致的设备故障，提升系统稳定性。
其他中高压液压单元：各类定制化液压站、自动化生产线的液压回路，作为基础逻辑控制元件，保障系统正常运行。
五、安装与使用要点
安装方向：需严格按照阀体上的箭头标识安装，确保液压油正常流动方向与箭头方向一致，否则会截断油液正常流动，无法实现单向控制功能，甚至损坏设备。
安装固定：采用ISO 4401-05标准安装面，螺栓紧固扭矩需控制在12~15 N·m，确保安装牢固，避免运行过程中因振动导致松动、泄漏。
油液清洁度：建议油液清洁度达到NAS 7级以上，配备10~25μm过滤器，防止杂质进入阀芯与阀体间隙，导致卡滞、密封损坏，影响单向截止功能。
油温控制：运行过程中需将油温控制在-20°C ~ +80°C范围内，避免油温过高导致密封件老化、油液粘度下降，影响密封性能和使用寿命。
介质适配：仅可使用适配的矿物油、水-乙二醇介质，禁止使用腐蚀性油液，防止阀体、密封件腐蚀损坏。
维护检查：定期检查阀芯动作灵活性，若出现卡滞、泄漏等情况，需及时拆卸清洗或更换阀芯、密封件，避免影响系统正常运行。
东京计器TOKYOKEIKI单向阀C5G-825-JA-S160
Detailed Explanation of TOKYO KEIKI Check Valve C5G-825-JA-S160 (Right-Angle Type)
I. Complete Model Breakdown (C5G-825-JA-S160)
Angle Type Check Valves (Subplate Mounting Type)
No mark: Petroleum-based hydraulic oil, water-glycol hydraulic oil
F3: Phosphate ester hydraulic oil
S51: With valve opening adjustment mechanism (for C2G-805)
S160: With valve opening adjustment mechanism (for C2G-815 and C5G-825)
Note: Max. operating pressure for special type numbers S51 and S160 is 14 MPa.
C2G-805, C2G-815, C5G-815 can use unmarked metric threads and unified threads.
For C5G-825:
No mark: Unified thread (3/4-10 UNC)
M: Metric thread (M20)
II. Core Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Right-angle check valve (one-way flow, reverse blocking) |
| Nominal Size | Compatible with NG10 (compliant with ISO 4401-05 mounting standard) |
| Cracking Pressure | 1.60 MPa (16 bar) (specified by code S160) |
| Rated Pressure | 35 MPa (350 bar) (for medium- and high-pressure systems) |
| Max. Flow Rate | Approx. 80 L/min (for medium-to-large flow conditions) |
| Applicable Media | Mineral oil, water-glycol (standard type) |
| Operating Oil Temperature | -20°C ~ +80°C |
| Mounting Method | Right-angle mounting, conforming to ISO 4401-05 (CETOP 5) mounting surface |
| Body Material | High-strength cast iron (corrosion-resistant, high-pressure resistant, long service life) |
| Seal Material | NBR (nitrile rubber) (suitable for conventional hydraulic oil, reliable sealing to prevent internal leakage) |
III. Structural Features & Core Functions
1. Structural Features
Right-angle structure: Inlet and outlet ports are arranged at a right angle, suitable for piping turning in hydraulic systems, saving installation space. The optimized flow path design reduces flow resistance and lowers system energy consumption.
Precision sealing design: High-precision fitting between spool and body, combined with NBR sealing components, results in extremely low internal leakage, effectively maintaining circuit pressure for pressure-holding applications.
Stackable compatible mounting: JA mounting surface meets international standards; can be directly stacked on solenoid valves or hydraulic manifolds without extra piping, enabling convenient and neat installation, compatible with TOKYO KEIKI and other brand hydraulic units.
High reliability: Manufactured in Japan, key components made of high-strength materials, shock-resistant and high-pressure resistant, suitable for frequent start-stop operations with long service life.
2. Core Functions
One-way flow control: Allows hydraulic oil to flow only from the inlet (Port P) to the outlet (Port A); automatically blocks reverse flow to protect hydraulic pumps, control valves and other core components from backflow damage, serving as a basic protection element in hydraulic systems.
Circuit pressure holding: Through reverse blocking, it helps maintain stable pressure in hydraulic circuits and prevents position drift of actuators (e.g., cylinders, hydraulic motors) caused by pressure leakage.
Low pressure loss: Optimized flow path and precise cracking pressure setting ensure reliable one-way blocking while minimizing pressure loss during oil flow, improving overall system efficiency.
IV. Typical Application Scenarios
Industrial machinery: Hydraulic circuits of injection molding machines, die-casting machines and hydraulic presses, to prevent oil backflow and protect pumps and actuators.
Machine tools: Hydraulic systems of precision machine tools (grinders, milling machines, machining centers), assisting pressure holding to ensure machining accuracy.
Construction machinery & marine hydraulic systems: Suitable for high-pressure conditions, preventing equipment failure due to oil backflow and enhancing system stability.
Other medium- and high-pressure hydraulic units: Customized hydraulic power units and hydraulic circuits of automated production lines, acting as basic logic control elements to ensure normal system operation.
V. Installation & Operation Guidelines
Mounting direction: Install strictly according to the arrow mark on the valve body, ensuring oil flow direction matches the arrow. Incorrect installation will block normal flow, disable one-way control and may damage equipment.
Mounting torque: ISO 4401-05 standard mounting surface; bolt tightening torque shall be controlled at 12–15 N·m to ensure firm installation and avoid loosening or leakage caused by vibration.
Oil cleanliness: Recommended oil cleanliness ≥ NAS 7 grade, equipped with 10–25 μm filter to prevent contaminants from entering the spool-body clearance, causing jamming or seal damage.
Oil temperature control: Maintain operating temperature within -20°C ~ +80°C to avoid seal aging and oil viscosity reduction due to overheating.
Media compatibility: Use only approved mineral oil or water-glycol; corrosive fluids are prohibited to prevent corrosion of the valve body and seals.
Maintenance inspection: Regularly check spool operation. If jamming or leakage occurs, disassemble, clean or replace the spool and seals promptly to avoid system malfunction.
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