Butterfly Valve
0102030405
Eccentric Butterfly Valve UPVC CPVC Worm Gear Type
Product Features
1.Small switch torque.
2.Replaceable parts , compact and economical.
3. The material is nano-modified improve the pressure resistance and impact resistance of the product.
4.Thickned valve body tor for high compression resistance.
5.100% pressure test before delivery.
6,Body and sealing parts am special treated for better perfermance.
How to choose PVC gear operated butterfly valve?
When selecting a UPVC worm gear butterfly valve, there are several factors to consider to ensure you select the correct valve for your specific application. Here are some key considerations:
1, Size:
Determine the size of the required valve based on the flow rate and pipe diameter of the system. Valve sizes should be compatible with existing piping infrastructure.
2, Pressure and Temperature Ratings:
Consider the operating pressure and temperature of the system to ensure the valve can handle these conditions without compromising performance or safety.
3, Material Compatibility:
UPVC (Unplasticized Polyvinyl Chloride) is known for its chemical resistance, but it is important to verify that the material is compatible with the fluids and chemicals in the system to prevent corrosion or degradation.
4, End connection:
Select the appropriate end connection (flange, clamp, lug, etc.) based on installation requirements and compatibility with existing piping systems.
5, Actuation Method:
Since you mentioned worm gear driven valves specifically, consider the actuation method that best suits your operating needs. Worm gear operated valves provide precise control and can operate in hard to reach areas.
6, Quality and Standards:
Ensure valves meet industry standards and certifications for quality, performance and safety, such as ISO, API or ANSI standards.
7, Application:
Consider the specific application and required flow control characteristics (on/off, throttling, etc.) to select the valve that best suits your operating needs.
8, Manufacturers and Suppliers:
Choose a reputable manufacturer or supplier with a track record of delivering high-quality UPVC valves and reliable customer support.
By considering these factors, you can make an informed decision when selecting a UPVC worm gear butterfly valve for your application. If you have specific technical requirements or need assistance, it is recommended to consult a valve expert or supplier for personalized guidance.
| GB/T 4219.2 SPECIFICATIONS (DIN, ISO, GB/T) | |||||||
| Size | Dimensions(MM) | ||||||
| DN(De) | D | H | H1 | H2 | S | L1 | L2 |
| 50(63) | 104.00 | 307.48 | 77.00 | 230.48 | 44.50 | 153.00 | 108.00 |
| 65(75) | 114.30 | 320.13 | 83.00 | 237.13 | 46.00 | 153.00 | 108.00 |
| 80(90) | 130.00 | 332.13 | 89.00 | 243.13 | 48.60 | 153.00 | 108.00 |
| 100(110) 125(140) | 160.40 186.00 | 367.77 411.47 | 104.00 117.00 | 263.77 294.47 | 55.50 63.00 | 153.00 166.00 | 108.00 119.00 |
| 150(160) | 215.00 | 472.30 | 130.00 | 342.30 | 72.00 | 166.00 | 119.00 |
| 200(225) | 269.00 | 521.54 | 158.00 | 363.54 | 73.00 | 268.00 | 223.00 |
| 250(280) | 324.00 | 620.51 | 205.00 | 415.51 | 113.00 | 285.50 | 223.00 |
| 300(315) | 336.60 | 722.24 | 228.00 | 494.24 | 114.40 | 342.50 | 323.00 |
| 350(355) | 522.00 | 784.00 | 257.00 | 527.00 | 129.00 | 342.50 | 223.00 |
| 400(400) | 586.00 | 850.00 | 288.00 | 562.00 | 159.00 | 342.50 | 323.00 |
| SCH80 SPECIFICATIONS (ASTM SCH80) | |||||||
| Size | Dimensions(MM) | ||||||
| *" | D | H | H1 | H2 | S | L1 | L2 |
| 2" | 104.00 | 307.48 | 77.00 | 230.48 | 44.50 | 153.00 | 108.00 |
| 2-1/2" | 114.30 | 320.13 | 83.00 | 237.13 | 46.00 | 153.00 | 108.00 |
| 3" | 130.00 | 332.13 | 89.00 | 243.13 | 48.60 | 153.00 | 108.00 |
| 4" | 160.40 | 367.77 | 104.00 | 263.77 | 55.50 | 153.00 | 108.00 |
| 5" | 186.00 | 411.47 | 117.00 | 294.47 | 63.00 | 166.00 | 119.00 |
| 6" | 215.00 | 472.30 | 130.00 | 342.30 | 72.00 | 166.00 | 119.00 |
| 8" | 269.00 | 521.54 | 158.00 | 363.54 | 73.00 | 268.00 | 223.00 |
| 10" | 324.00 | 620.51 | 205.00 | 415.51 | 113.00 | 285.50 | 223.00 |
| 12" | 336.60 | 722.24 | 228.00 | 494.24 | 114.40 | 342.50 | 323.00 |
| 14" | 522.00 | 784.00 | 257.00 | 527.00 | 129.00 | 342.50 | 223.00 |
| 16" | 586.00 | 850.00 | 288.00 | 562.00 | 159.00 | 342.50 | 323.00 |
| SPECIFICATONS (JIS) | |||||||
| Size A | Dimensions(MM) | ||||||
| D | H | H1 | H2 | S | L1 | L2 | |
| 50A | 104.00 | 307.48 | 77.00 | 230.48 | 44.50 | 153.00 | 108.00 |
| 65A | 114.30 | 320.13 | 83.00 | 237.13 | 46.00 | 153.00 | 108.00 |
| 75A | 130.00 | 332.13 | 89.00 | 243.13 | 48.60 | 153.00 | 108.00 |
| 100A | 160.40 | 367.77 | 104.00 | 263.77 | 55.50 | 153.00 | 108.00 |
| 125A | 186.00 | 411.47 | 117.00 | 294.47 | 63.00 | 166.00 | 119.00 |
| 150A | 215.00 | 472.30 | 130.00 | 342.30 | 72.00 | 166.00 | 119.00 |
| 200A | 269.00 | 521.54 | 158.00 | 363.54 | 73.00 | 268.00 | 223.00 |
| 267A | 324.00 | 620.51 | 205.00 | 415.51 | 113.00 | 285.50 | 223.00 |
| 318A | 336.60 | 722.24 | 228.00 | 494.24 | 114.40 | 342.50 | 323.00 |
| 350A | 522.00 | 784.00 | 257.00 | 527.00 | 129.00 | 342.50 | 223.00 |
| 400A | 586.00 | 850.00 | 288.00 | 562.00 | 159.00 | 342.50 | 323.00 |