Single seated pneumatic diaphragm control valve(Model ZJHP) use to top guide structure, and with multi-springs, Compact valve body, having a S-shape flow passage that features low pressure loss, allows a large flow capacity, rangeability, and high accuracy flow characteristics. Valve plug is highly vibration-resistant as it is held by a top guide section which has a large sliding area.

Features:
1. Top-guided Single Seated Control Valves, compact valve body, less component, esay to maintain.
2. The metal valve plug is suitable for various work situation, comply with the standard of IV level leakage, and soft seal valve plug achieve the standard of VI level leakage.
3. The valve body designed according to the principles of fluid mechanics to be low rsistance equal section flow channel, rated flow coefficient increases 30%. Wide adjustable scope, inherent adjustable ratio is 50: 1. The valve actuator use multiple springs structure, and the height reduce 30%, the weight reduce 30%.

Ordering information
When ordering, please specify
1) If you have not chose the model, Please provide us the specifications.
1. Size, Rated Flow Factor Kv
2. Fluid Properties (Pressure, Temperature, Viscostiy or Acidity and Alaline)
3. Valve Action (Air-to-close or Air-to-open)
4. Flow Characteristics
5. Upstream Pressure, Downstream Pressure
6. Body, Plug Material
7. Input Signal
8. with Accessories, Model instruction or not, so that we can help you to choose the right model

2) Special Requirement
1. Special Survey
2. Degreasing, Dewatering Treatment
3. Copper Free Treatment
4. Special Connection, Piping
5. Using under Vacuum Condition
6. Specified Coating Color
7. Special Medium (Oxygen, Chlorine, Hydrogen)
8. Using Stainless Steel Connection

3) If you have chose the product model of our company. Please ordering directly to our Sales Dept.

4) When it use in important or complicated pipeline. Please provide drawing and specifications, our expert will supervision and check for you.