产品指南 - 实验室阀门(1)Product Guide—Lab Valves (1)

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PVC Chemcock和刻度针形阀 PVC Chemcock and Calibrated Needle Valves 22oC温度下压力为150 psi，非冲击性水，全流道，全端口 150 psi at 73°F water –non-shock–full port 　　Chemtrol Chemcock阀门特别适用于实验室，监控系统，取样，以及各种作为原始设备的其他应用。它的(4.8)计算出来的流体流量系数(Cv)是以铺设长度为基础，等同于DN6 Schedule 80管道。 　　The Chemtrol Chemcock Valve is ideal for laboratories, monitoring systems, sampling, and a variety of other applications as original equipment. Its (4.8) calculated fluid flow coefficient (Cv) is based on the laying length being equivalent to 1/4" Schedule 80 pipe. Chemtrol型号 Chemtrol Figure No. A45CC-V DN6软管 x DN6MPT 1/4" Hose x 1/4" MPT M45CC-V DN6软管 x DN6MPT 1/4" Hose x 1/4" MPT 特点 Features 容易适用于任何类型的连接。 Easily adaptable to any type of connection. 只需要旋转90度角即可实现开启或关闭。 Opens and closes with only a quarter turn. 可更换FPM材质的O形环阀座和密封。 Replaceable FPM O-ring seats and seals. 耐腐蚀的全热塑塑料PVC结构。 Corrosion-resistant all thermoplastic PVC construction. 不会粘附或磨损。 No sticking or galling. 全流道，全端口设计。 Full port design.

大致重量0.06磅 Approx. Weight 0.06 lbs. 结构 Construction 部件 Part 材料 Material 1. 手柄 Handle PVC 2. 球体/阀杆 Ball/Stem PVC 3. 阀体端口 Body End – 软管 – Hose PVC 或者螺纹 or Thread PVC 4. 阀体的一半 – 阀杆一侧 Body Half – Stem Side PVC 5. O形环 – 阀体密封 O-Ring – Body Seal FPM1 6. O形环 – 球体阀座 (2) O-Ring – Ball Seats (2) FPM1 7. O形环 – 阀杆密封 O-Ring – Stem Seal FPM1 8. 手柄螺丝 Handle Screw 镀镉钢 Cadmium Plated Steel FPM也称为FKM。这些密封是采用Viton或Fluorel品牌的橡胶模铸而成。 FPM is also known as FKM. These seals are molded from Viton or Fluorel brands of rubber.

22oC温度下压力为150 psi，非冲击性水 150 psi at 73°F water –non-shock 　　Chemtrol刻度针形阀特别适用于仪器设备和实验室工作需要的精确调节流体流量的场合。通过观察旋钮手柄和阀体上模铸的数字，可以精确调节流经DN6阀门的流量。 　　The Chemtrol Calibrated Needle Valve is ideally suited to the fine regulation of liquid flow required in instrumentation and laboratory work. The flow through the 1/4" valve can be accurately adjusted by observing the knob handle exposing numerals molded on the valve body. Chemtrol型号 Chemtrol Figure No. T45CN-V DN6 FPT x DN6 FPT 1/4" FPT x 1/4" FPT 特点 Features 精密的流量测量。 Precise flow measurement. 适用于安全操作的前挡块。 Positive stop for safe operation. Teflon阀座防止针上的磨损。 Teflon seat prevents wear on needle. 全部为热塑塑料PVC结构。 All thermoplastic PVC construction. 旋钮位置 Knob Position 嘉伦/分钟@横压50 PSI GPM @ Constant 50 PSI 8 0.85 7 1.41 6 1.79 5 2.15 4 2.42 3 3.15 2 4.40 1 4.50

大致重量0.13磅 Approx. Weight 0.13 lbs. 结构 Construction 部件 Part 材料 Material 1. 可调节旋钮 Adjustment Knob PVC 2. 阀杆组件 Stem Assembly PVC和TFE阀座密封及FPM1阀杆密封 PVC w/TFE Seat Seal & FPM1 Stem Seal 3. 阀体 Body PVC 4. 挡圈垫圈 Retainer Washer PVC 5. 扣环 Snap Ring 不锈钢 Stainless Steel 6. 螺丝 Screw 不锈钢 Stainless Steel FPM也称为FKM。这些密封是采用Viton或Fluorel品牌的橡胶模铸而成。 FPM is also known as FKM. These seals are molded from Viton or Fluorel brands of rubber. 注意 Notes 　　要进一步了解材料的选择，参阅第1页“材料”。要了解压力与温度之间的特定关系，参阅第33页的“工程技术参数”。要了解“Chemtrol阀门标准”，参阅第35页。 　　For more insight into the selection of materials, refer to Materials, page 1. For the specific relationship of pressure vs. temperature, refer to Engineering Data, page 33. For Chemtrol Valve Standards, see page 35.

不要将本样本中的测试数据用在压缩空气或其它气体上。如果需要关于专用于压缩空气和其它气体的抗龟裂热塑塑料管道系统请参阅Chemtrol Chem-Aire®产品样本。 Do not use or test the products in this catalog with compressed air or other gases. See Chemtrol Chem-Aire® literature for information about shatter-resistant thermoplastic piping systems specifically designed for compressed air and other gases.