Nguồn gốc:
Hunan, Trung Quốc
Hàng hiệu:
Stron
Chứng nhận:
STS Certificate,ISO9001,ISO14001
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| Function | Details |
|---|---|
| Prepayment | STS Standard, recharge by input 20-digit TOKEN |
| Low credit alarm | Alarm value can be set via TOKEN input |
| Prepaid/post-paid switch | Convertible between prepaid and post-paid modes |
| Non-return valve | Integrated back-flow prevention |
| Anti-tamper | Automatic valve closure upon magnetic field or cover opening detection |
| Step Tariff | Configurable via TOKEN input |
| Overdraft Collection | Non-revenue water collection (daily/monthly) |
| Communication | Compatible with AMI systems via LORA RF or Bluetooth 4.0 (optional) |
| Information Inquiry | Users can check credit, purchase history via short codes |
| Size | Specifications | ||
|---|---|---|---|
| DN15mm (1/2") | DN20mm (3/4") | DN25mm (1") | |
| Overload flow rate Q4 | 3.13 | 5 | 7.875 |
| Permanent flow rate Q3 | 2.5 | 4 | 6.3 |
| Transitional flow rate Q2 | 0.04 | 0.064 | 0.1 |
| Minimum flow rate Q1 | 0.025 | 0.04 | 0.063 |
| Ratio "R" Q3/Q1 | 100 | 100 | 100 |
| Maximum working pressure | 16Bar | 16Bar | 16Bar |
| Maximum pressure loss | 0.6Bar | 0.6Bar | 0.6Bar |
| Maximum reading | 99999 | 99999 | 99999 |
| Max temperature | 50℃ | 50℃ | 50℃ |
| Error Q1≦Q≦Q2 | 5% | 5% | 5% |
| Error Q2≦Q≦Q4 | 2% | 2% | 2% |
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