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D971F electric soft sealing butterfly valve

D971F electric soft sealing butterfly valve made up of PTFE butterfly valve and stainless steel valve board、valve stem. Suitable for temperature≤150℃, weak corrosion or requirements of cleanliness, high temperature and pressure condition can choose three eccentric hard-seal valve. Indicate when order. Widely used in food, environmental protection, light industry, chemical, teaching equipment, papermaking, power industry for automatic system controlling. Used in food、pharmacy、chemical、petroleum、power、textile、papermaking for adjusting flow and cutting off media

Features:

1、  modern design, reasonable, special structure, light weight, quick open and close

2、  small torque, convenient operation, flexible action

3、  can be installed at any position, convenient maintenance

4、  sealing components can be switched, sealing performance reach two-way sealing no leakage

5、  anti-aging, anti-corrosion, long using life

 

1.       input signal: 4～20mADCc 1-5VDC 220VAC switch contact signal

2.       valve position output signal: 4～20mADC, load resistance: ≤500Ω

3.       resolution: > 1/200

4.       dead band: 0.4～1.2% adjustable

5.       signal isolation: input signal, output signal, power three isolated

6.       fault state: can be set any position of 0-100% full travel

7.       working temperature:  -10~55℃

8.       relative humidity: ≤90%

9.       accuracy of position switch: ±0.5%

10.   isolated resistance: ≥100MΩ(500VDC.)

11.   isolated strength: 2000VAC，1minute