PEF30 Series Motorized Balance Valve (DN20-DN50)

 

 

 

 

 

 

 

 

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Features

Full stroke adjustment
The flow of terminal device is not affected by system pressure fluctuation.· Easy to install and disassemble
Dynamic flow limiting and differential pressure control are integrated
The valve characteristics are not affected by the flow setting

The maximum flow can be set manually with scale indication
Flow error ≤ 5%

Specifications of Actuator

Actuator T46 PEF-40
Power supply 220V AC 24V AC
Wattage 2W 2.8W
Input signal ON/OFF DC(2)-10V or 4(0)-20mA
Output signal Na DC0(2)-10V
Thrust 110N 400N
Stroke ≥3mm ≥6mm
Operation Time 3-5min 120s (50Hz) /105s (60Hz)
Cable 2X0.5mm², 1m N.A.
Ambient conditions -5℃~60℃, 0-95%RH, non condensation -10℃~50℃, 0-95%RH, non condensation
Storage conditions 0℃-50℃, 0-95%RH, non condensation -40℃~50℃, 0-95%, non condensation
IP degree IP54 IP54
Material Housing: PC Flame retardant Gear: polyformaldehyde, Nylon
Internal parts: PA66, Flame retardant Bracket: die casting alloyed Aluminum
Spring: 65Mn, 55CrSi Housing: ABS engineering plastic, flame retardant
Weight 0.114kg 0.514kg

Specifications of Valve

Valve body DN20-DN25 DN32-DN50
Nominal pressure PN16 PN16
Rated stroke 3mm 6mm
Flow characteristics Quick open equal percentage
leakage ≤Kvs*0.03% ≤Kvs*0.03%
Medium Cooling and heating water of HVAC, Ethylene glycol aqueous solution within 30%
Medium temperature -10℃~95℃
Valve structure 2-way
Material Valve body and bonnet: forged brass
Valve stem: stainless steel
Sealing: NBR, PTFE
Film: EPDM embedded fiber

KV

Kv (m3/h) / Scale 20% 40% 60% 80% 100%
DN20 0.69 0.96 1.10 1.22 1.37
DN25 1.10 1.57 1.73 1.84 1.92

Kv (m3/h) / Scale 1 2 3 4 5 6 7
DN32 0.96 2.91 4.07 4.86 5.67 6.24 6.49
DN40 1.37 2.78 3.90 5.11 6.05 6.90 7.67
DN50 1.50 2.93 4.05 5.30 6.25 7.05 7.80

Dimension

DN Connection thread A L H Kv (m³/h) Stroke Closing differential Actuator Thrust
DN20 G 3/4 62 100 137 1.4 3 150 110N
DN25 G 1 62 110 135 1.9 3 70 110N
DN32 G 1-1/4 62 122 209 6.5 6 300 400N
DN40 G 1-1/2 147 194 244 7.5 6 300 400N
DN50 G 2 147 194 244 7.8 6 300 400N

APPLICATION

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