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Electric circular ventilation butterfly valve
Electric circular ventilation butterfly valve is a type of electric butterfly valve named after the circular surface of the valve
Product details
Electric circular ventilation butterfly valve is a type of electric butterfly valve named after the circular surface of the valve.
The electric circular ventilation butterfly valve has the advantages of simple structure, large diameter, light weight, and easy operation. Electric ventilation butterfly valves are widely used in metallurgy, power plants, petroleum, chemical and other fields. Electric ventilation butterfly valves are suitable for industrial, metallurgical, flue gas dust removal, environmental protection, and other pipelines used for ventilation and medium flow regulation.
The electric circular ventilation butterfly valve consists of an electronic electric actuator and a butterfly valve regulating mechanism. The actuator has a servo system that does not require additional servo amplifiers, input control signals (4-20mADC or 1-5VDC), and single-phase power supply. You can control the operation. The electric circular ventilation butterfly valve has a simple structure, large circulation capacity, and high adjustment accuracy. According to user requirements, the actuator can be equipped with YH, OHQ, PSQ, 3810R, and other types of electronic electric actuators.
Product characteristics of electric circular ventilation butterfly valve
1. Powerful features: intelligent, adjustable, on/off type.
2. Electric ventilation butterfly valve has a small volume: its size is only about 35% of similar products.
3. Easy to use: single-phase power supply, easy to wire, X-shaped spherical protruding structure, easy to observe, no refueling, no need for on-site inspection, waterproof and rust proof, can be installed at various angles.
4. The protective device has dual limitations, overheating protection and overload protection. The total travel time is 15 seconds, 30 seconds, 45 seconds, and 60 seconds. And it has manual function.
5. Intelligent CNC: The built-in module adopts X computer microcontroller and intelligent control software, directly receiving standard signals (4-20mADC/1-5VDC) output by computers or industrial equipment to open valves and X intelligent control. location.
Design standard for electric circular ventilation butterfly valve
Design and Manufacturing Standard: GB/T12238-1989; JB/T8692-1998
Structural length standard: GB/T12221-2005
Connection flange standard: GB/T9115.1
Pressure, temperature, etc. X: GB/T12224-2005
Test and Inspection Standard: GB/T13927-2008
Technical parameters of electric circular ventilation butterfly valve
Nominal Diameter |
mm50～2200 |
Nominal pressure (MPa) |
PN0.1、0.25、0.6、1.0 |
Medium temperature ℃ |
-40~+450 (steel plate welding),+450 or above (stainless steel plate welding), specially customized for temperatures above 800 ℃ |
Corner range |
0-90 degrees |
Traffic characteristics |
approximately linear |
Flange standard |
GB/T9115-2000 Welding standard for steel pipe flanges (non-standard products can also be customized according to customer size) |
Configure execution mechanism |
Can be equipped with CKR, 3810R and other series angular stroke electric actuators, CHQ series electric explosion-proof actuators |
control mode |
On/off position light (switch two position control), intelligent adjustment (4-20mA analog signal control) |
Main technical indicators of electric circular ventilation butterfly valve
project |
Indicator value |
Basic error% |
±2.5 |
Return difference% |
2.0 |
Dead zone% |
3.0 |
Constant point deviation% |
±2.5 |
Rated travel deviation% |
+2.5 |
Allowable leakage rate 1/h |
2 × 10-2 × rated capacity of valve |
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