Brand Name: TF or OEM
Model Number: FDF series
Place of Origin: Sichuan, China (Mainland)
Small Solenoid Valves
- Saving cost for additional operations, we have diefferent pipe configurations.
-Wide production line-up for various applications, normally open type / normally closed type
direct type / pilot type
Applications;
- Air conditioner
- Dehumidifiers
- Vending machines
- Ice-making machines
- Water Dispensers etc...
Specifications:
| Models | FDF-2A | FDF-4A | FDF-6A |
| Max. Working Pressure | 3.3 Mpa | 3.3 Mpa | 3.3 Mpa |
| Water Test Pressure (with water pressure) | 4.5 Mpa | 4.5 Mpa | 4.5 Mpa |
| Air tight Test Pressure (with air pressure) | 3.3 Mpa | 3.3 Mpa | 3.3 Mpa |
| Allowable Ambient Temperature C | -30 ~ +50 C | ||
| Fluid Temperature C | -30 ~ +120 C | ||
| Ambient Humidity RH | max. %95 RH | ||
| Connection mm | 6.35 | 6.35 | 8.00 |
| Port Size | 1.90 | 4.00 | 5.80 |
Testing Methods:
The ex-factory inspection and all-function test, technical requirement and test method of Solenoid valve should be in compliance with table 1. Among which the ex-factory inspection should be taken as the following: take the whole quantity of valves produced in one shift as a inspection lot, pick-sample and inspect as per normal-level one-time sampling program noted in the sampling table and each lot sample-account program stipulated in GB/T2828-1987, inspection level II. All-function test should be taken as per GB/T2829-1987, judgment level I, twice sampling.
Table1
| No | Item | Ex-factory inspection | All Function Test | AQL | RQL |
| 1 | Appearance | √ | √ | 0.65 | 50 |
| 2 | Hydraulic pressure | √ | 50 | ||
| 3 | Air-tightness | √ | √ | 0.25 | 30 |
| 4 | Operative pressure difference | √ | √ | 0.25 | 30 |
| 5 | Internal leakage | √ | √ | 0.25 | 30 |
| 6 | Temperature rise of solenoid coil | √ | |||
| 7 | Flow rate | √ | 30 | ||
| 8 | Insulation resistance | √ | √ | 0.15 | |
| 9 | Electric strength | √ | |||
| 10 | Insulation between coil circles | √ | √ | 0.25 | 30 |
| 11 | Constant wet-hot test | √ | 30 | ||
| 12 | Salt-spray test | √ | 30 | ||
| 13 | Life test | √ | 30 | ||
| 14 | Vibration resistance | √ | 30 | ||
| 15 | Noise | √ | √ | 0.25 | 30 |
| 16 | Burst pressure | √ | 50 | ||
| 17 | High temperature resistant test | √ | 30 | ||
| 18 | Low temperature resistant test | √ | 30 | ||
| 19 | High and low temperature resistance test | √ | 30 |
Table2
| RQL | Sample Quantity | Acceptable number Ac | Reject number Re |
| 30 | First time 4 | 0 | 2 |
| Second time 4 | 0 | 1 | |
| 50 | First time 2 | 0 | 2 |
| Second time 2 | 0 | 1 |
For more information and products references please contact with us.