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2017-04-05

Flame-proof electric trunnion ball valve(unloading ash)

Flame-proof electric trunnion ball valve(unloading ash)

  • Product Details

Flame-proof electric trunnion ball valve(unload ash)

Main Parameter

Working Pressure(PN):1.6-4.0Mpa

Body: WCB, CF8/CF8M/CF3/CF3M available

Ball: SS

Stem: SS

Cores: SS 

Seal: PTFE,RPTFE,PPL available

Packing: RPTFE,flexible graphite

Port: DN25-DN700

Flange: DIN PN16-40

Standard: DIN 2543-2545/DIN 2501

Test: DIN 3230/EN 12266

Medium: water,oil,steam,liquefied gas

Temp.: -40℃--290℃

Operation: manual lever,worm gearbox,pneumatic,electric

Technical Parameters
Working environmentsTemperature: -30'C~+70'C(can be customized to -45'C~+85'C)
Relatively humidity: 95%(25'C)
Pressure: 86kPa~106kPa
Power SupplySingle phase: 220V 50Hz   Three phase:380V 50Hz
Tolerance: Single phase Voltage(-15%/+10%)  Three phase Voltage(±10%)
Frequency(±5%),  harmonic   content   (<5%), Direct Current (±10%)
Insulation resistance1)Resistance between input terminal and case should be more than 20M   .
2)Resistance between input terminal and power supply terminal should be more than 50M.
3)Resistance between power supply terminal and case should be more than 50M.
The motor insulation level Level F(Level H is selectable)
Protection levelIP68(underwater 20M\96hours)
Anti-explosion levelEXD IIBT4\EXD IICT4

On-Off Type
Start frequency650 times per hour
Designed lifetimeMinimum maintenance-free time:30,000 times
Working formShort time working type, rated run time will be 15mins(customized to 30mins)

Regulated Type
Start Frequency1200 times per hour
Designed lifetimeNo less than    times
Working formIntermittent periodic-type, minimum rated load sustained rate is 25%
Basic parametersBasic error: ≤ ±0.1%
Hysteresis: ≤ 0.5%
Dead zone: 0.1%~9.9% continuously adjustable
Damping characteristic: undamped
Input and output signalAnalogue input 4-20mADC, input impedance ≤ 250   ;
Analogue output4-20mADC, load resistance ≥ 750   ;
Linear error ≤ 0.5%;
Supply voltage: 24VDC provided by internal actuator;
Actuator with a build-in servo amplifier;
Input and output signal channel take    optoelectronic   isolation 
Passive junction capacity: 250V/5A   AC; 30V/5A DC.


Warm Reminder: more complete drawing and technical specs pls contact us to get.


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