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No. 6898 Linhai Road, Qinggang Industrial Park, Fengxian District, Shanghai
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Shanghai Yuhu Self Control Valve Co., Ltd
Q641N flange type pneumatic high-pressure ball valve
NegotiableUpdate on 04/07
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Overview
Q641N Flange Pneumatic High Pressure Ball Valve Q661N Welded Pneumatic High Pressure Ball Valve Q611N Internal Thread Pneumatic High Pressure Ball Valve Q641N Flange Pneumatic High Pressure Ball Valve Q611N Internal Thread Pneumatic High Pressure Ball Valve Q661N Welded Pneumatic High Pressure Ball Valve I. Overview of Pneumatic High Pressure Ball Valves The pneumatic high pressure ball valves produced by Shanghai Yuhu Company are divided into three types: internal thread pneumatic high pressure ball valves, welded pneumatic high pressure ball valves, and flange pneumatic high pressure ball valves
Product Details
Q641N flange type pneumatic high-pressure ball valve
Q661N Welded Pneumatic High Pressure Ball Valve
Q611N internal thread pneumatic high-pressure ball valve
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| Q641N flange type pneumatic high-pressure ball valve | Q611N internal thread pneumatic high-pressure ball valve | Q661N Welded Pneumatic High Pressure Ball Valve |
1、 Overview of Pneumatic High Pressure Ball Valve Products
The pneumatic high-pressure ball valves produced by Shanghai Yuhu Company are divided into three types: internal thread pneumatic high-pressure ball valves, welded pneumatic high-pressure ball valves, and flange pneumatic high-pressure ball valves. This valve can adopt intelligent control and positioning, and is matched with an electrical valve positioner. It can be controlled by inputting 4-20mADC signals and 0.4-0.7MPa gas source to adjust parameters such as pressure, flow rate, temperature, and liquid level. It is powered by compressed air, and the valve stem drives the valve core to rotate 90 degrees inside the valve body to achieve full open close action. Pneumatic high-pressure ball valves are divided into metal seals and soft seals based on their sealing performance. Pneumatic high-pressure ball valves have the advantages of compact structure, small volume, reliable operation, good sealing, easy maintenance, convenient installation, and strong adaptability. Pneumatic high-pressure ball valves are widely used in automatic control systems for industries such as petroleum, chemical, teaching equipment, light industry, high-pressure equipment, pharmaceuticals, and papermaking, for remote centralized control or on-site control.
2、 Main technical parameters of pneumatic high-pressure ball valve
| Nominal diameter DN (mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valve body form | Flange type (three-stage forging DN15~DN200); Threaded and welded (DN15-DN50 integral forging, DN50-DN200 three-stage forging) | |||||||||||
| Nominal Pressure | PN10.0、16.0、25.0、32.0、36.0、42.0 MPa； ANSI 600、900、1500、2500LB | |||||||||||
| connection type | Flange type, welded type, threaded type (suitable for 2 inches or less) | |||||||||||
| Sealing packing | V-shaped polytetrafluoroethylene packing, flexible graphite packing, etc | |||||||||||
| Valve core form | O-ring valve core | |||||||||||
| flow characteristics | Approximate fast opening characteristic | |||||||||||
| Action range | 0-90 °, 0-360 ° | |||||||||||
| Leakage quantity Q | According to GB/T4213-92, less than 0.01% of rated KV | |||||||||||
| Basic error | Equipped with locator: less than ± 2% of the full stroke | |||||||||||
| adjustable range | 250：1 | |||||||||||
| Configure execution mechanism | GT, AT, ST, SR series single and double acting pneumatic actuators | |||||||||||
| Control method | Two position switch control, 4-20mA analog signal control | |||||||||||
3、 Technical parameters of pneumatic high-pressure ball valve actuator
| Model of actuator | GT, SR, ST, AT, AW series single and double acting pneumatic actuators |
|---|---|
| gas supply pressure | 0.4～0.7MPa |
| air source interface | G1/4"、G1/8"、G3/8"、G1/2" |
| ambient temperature | -30～+70℃ |
| mode of action | Single acting actuator: gas closed type (B) - valve position open when gas is lost (FO); Pneumatic opening (K) - valve position closed when gas is lost (FC) Double acting actuator: gas closed type (B) - valve position maintenance during gas loss (FL); Pneumatic opening (K) - valve position maintenance during gas loss (FL) |
| Can be equipped with accessories | Positioner, solenoid valve, air filter pressure reducer, holding valve, travel switch, valve position transmitter, handwheel mechanism, etc |
Adopting a new series of pneumatic actuators, including double acting and single acting (spring reset), gear rack transmission, safe and reliable; The large-diameter valve adopts a series of AW type pneumatic actuator fork type transmission, with a reasonable structure and large output torque, and is available in double acting and single acting types.
1. Gear type dual piston, with large output torque and small volume.
2. The cylinder is made of aluminum material, which is lightweight and aesthetically pleasing.
3. Manual operating mechanisms can be installed at the top and bottom.
4. The rack and pinion connection can adjust the opening angle and rated flow rate.
5. The actuator can be equipped with live signal feedback indicators and various accessories to achieve automated operation.
6. The IS05211 standard connection provides convenience for the installation and replacement of products.
7. The adjustable screws at both ends provide a ± 4 ° adjustable range for standard products between 0 ° and 90 °. Ensure synchronization accuracy with the valve.
4、 Main component materials of pneumatic high-pressure ball valve
| Part Name | material | |||
|---|---|---|---|---|
| Valve body, valve cover | A105 forged steel | 304 forged steel | 316 forged steel | 316L forged steel |
| sphere | 2Cr13+nitriding treatment | 304 | 316 | 316L |
| valve stem | 2Cr13 | 304 | 316 | 316L |
| Valve seat sealing ring | PTFE、 Carbon fiber+PTFE, para polystyrene | |||
| filler | V-shaped PTFE, flexible graphite | |||
5、 Main performance specifications for pneumatic high-pressure ball valves
| Nominal diameter DN (mm) | DN15-300 | |||||
|---|---|---|---|---|---|---|
| Nominal Pressure | PN(MPa) | 10.0 | 16.0 | 25.0 | 32.0 | 42.0 |
| Test pressure | strength test | 15.0 | 24.0 | 37.5 | 48.0 | 63.0 |
| Sealing Test | 11.0 | 17.6 | 27.5 | 35.2 | 46.2 | |
| Low pressure airtightness test | 0.5～0.7 | |||||
| Applicable Medium | Water, oil, steam, nitric acid (temperature ≤ 200 ℃), acetic acid (temperature ≤ 200 ℃) | |||||
6、 Selection of Pneumatic High Pressure Ball Valve Products
(1) Valve body parameters: nominal diameter, working pressure, process medium, usage scenario, valve body material, and other series of parameters.
(2) Actuator parameters: actuator form, control mode, control signal (4-20mA, 1-5V), action mode (air open, air closed)
Please provide the above technical parameters in as much detail as possible to facilitate our company's operations and technical personnel to accurately select for you. If you have any questions You can call us and we will do our best to provide you with high-quality service!
