8L-16L Proportional Valve of Instant Water Heater BF-30
Proportional Valve of Instant Water Heater,a gas proportional valve with permanent magnet,is small with compact design, Easy to install on Instant Water Heater，It is applicable in gas water heater& gas boiler(rated heat loading is ≤50KW)
Product Description
Product Description
|
Proportional valve BF30 |
Function description |
| Characteristics | |
| It is small with compact design. | |
| It is with two switches to be safer. | |
| It is a gas proportional valve with permanent magnet. | |
| It is made with silence&hi-pressure resistant technology. | |
| It is made up of one main cut-off solenoid valve, two section solenoid valve and one on-off proportional valve | |
| It is applicable in gas water heater& gas boiler(rated heat loading is ≤50KW) | |
| Main technical parameter | |
| Gas applicable: LPG, NG | |
| Installation position : inclination≤ 5° | |
| Gas pressure allowable : ≤4KPA | |
| Withstand voltage allowable:10KPA | |
| Rated valve open voltage: < DC 21V(Test with 1OkPa under cold status) | |
| Valve closing voltage :≥2V | |
| External leakage: <0. 5ml/min(test with 10kPa) | |
| Internal leakage: main solenoid valve: <0.3ml/min. Section solenoidvalve: <0 5ml/min. (test with 10kPa& 600Pa respectively) | |
| Winding resistance of solenoid valve : 110Ω土10%(20°C) | |
| Winding resistance of proportional valve : 85Ω±10%(20°C） | |
|
Activating signal:
Solenoid valve: strong suction time ≥ 500ms. Output > 80Hz. Duty ratio 50% pulse signal. Signal amplitude of 24V proportional valve: DC 0-200mA |
| BF-30 Solenoid manifolds Installation&Operating Instructions |
| a. Classofvalve(A,B,C,DorJ):classA |
| b. Group 1 or 2:group1 |
| c. Rated flow rate at a specified pressure difference:5.8m3/h（gas source:air） |
| d. Rated voltage:24VDC,0~270mADC |
| e. Ambient temperature range:-10°to+60°C |
| f. Mounting position(s):inlet vertically and down, can incline for maximum5° |
| g. Inlet pressure range in Pa or kPa(mbarorbar): 3.3kPa |
| h. Gas connection(s): inlet is union joints and outlet is flanges |
| i. Strainer details:30meshStrainers |
| j. Opening time:<1sec |
| k. Closing time:<1sec |
| l. Durability: 500,000 operations |
| m.The unprofessional person is forbidden to assemble or disassemble it. |
| n. The gas inlet and outlet connectors couldn’t beconnected with the water tube and water is not allowed to enter the valve. The electrical connectors should be connected correctly, especially the connect ors which are colour-coded to avoid confusi,eg.brown、red、yellow、blue、green and black. |
| o.The gas used should be filtered and the impurity shouldn’t be out of the limit. |
|
Test item in this video |
Current |
| Air pressure | |
| Daily test Qty |
4000pcs |
| Pass percemtage | 93-95% |
