產(chǎn)品詳情
當(dāng)前位置：首頁 >> >>Butterfly Seriesoverview: long-life energy-saving type butterfly valve pneumatic butterfly valve is the development of the new company. Butterfly valve uses the design principle of three-dimensional eccentric, a new machining process of elastic sealing and hard and soft multi-level compatible with seals, butterfly valve in the operation of the seal is reliable, can achieve the sealing without leakage, the eccentric design and prolong the service life of the valve. Pneumatic actuator using the crank conversion structure, has the characteristics of large output torque, small volume, stable and reliable performance. With the valve positioner or solenoid valve supporting the use of proportional control can be achieved or switch control, suitable for gas, solid and liquid medium. Automation is widely used in papermaking, petrochemical, chemical, metallurgy, electric power, petroleum, light industry, environmental protection, building automation, industrial control system.
The main technical parameters of:
| Nominal diameter of DN（mm） | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 |
| The rated flow coefficient（CV） | 95 | 175 | 270 | 375 | 740 | 1400 | 2100 | 3250 | 4680 | 6200 | 8100 | 11000 | 15800 | 21000 | 29000 | 38000 |
| The maximum angle（σ°） | 90° | |||||||||||||||
| Operating pressure（MPa） | 0.4～0.8 | |||||||||||||||
| Operating temperature range | -40～250 | |||||||||||||||
| Input signal | （Electrical signals：4～20mA□dc）220VAC、24VDC | |||||||||||||||
| Nominal pressure（MPa） | 1.0、1.6 | |||||||||||||||
Equipped with gas pipe | φ6×1（G1/8） | φ8×1.5（G1/4） | φ12×2（G3/8） | |||||||||||||
| The connection type and standard | On the clip、According to the JB81-94 | |||||||||||||||
| The valve body material | 304、316、316Lz中ZG25 | |||||||||||||||
| The valve core material | 304、316、316L | |||||||||||||||
| The seat material | 316、F4 | |||||||||||||||
Ordering instructions:
1 product model and the names of 2 nominal diameter (DN) of 3 nominal pressure (PN) 4 of the rated flow coefficient KV 5 body and valve assembly 6 is fixed material flow characteristics of 7 suitable temperature and medium 8 machine mode of action (power, power off) and the input signal with the attachment (operation 9 device, servo amplifier) and 10 other special requirements
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