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 Model Number |
133-020 / 65A~300A |
Special Feature
- Accurate Pressure Control
- Operation is Fully Mechanical without Electric Power Source
- Fast opening for protection of pipe
- Slow shutting to prevent Surge
- Prevent return flow by back pressure
Model 133-020 consists of Basic Valve(BALEM130) and Pressure Relief Pilot valve(Model 573). It is installed at bypass of the pipe line in order to prevent damage on pipe by discharging high pressured water to atmosphere once the pipe pressure increased higher than the pre-set pressure, and strengthen the maintenance of constant pressure at the inlet pressure within the pre-set pressure. Also, once downstream pressure is higher than inlet pressure close the basic valve in order to prevent the return flow caused by back pressure.
When pressure raise rapidly, valve will open fast and when it drops, closes slow to protect the pipeline by adjusting the speed.
Specifications
Specifications
| Screwed
KSPT(BSP) - NPT Standard
| Flanged
10kgf/㎠ - ANSI 150 Standard |
Globe
| 50A(2") ~ 80A(3")
| 50A(2") ~ 300A(12") |
Angle
| 50A(2") ~ 80A(3")
| 50A(2") ~ 300A(12") |
Operating Pressure
Specifications
| KS D 1513. Class 10
| ANSI B 16.42 Class 150 |
Operating Pressure
| 0.05～1.5 MPa(0.5~15kg f/㎠)
| 7～213 PSIG |
Media
| Temperature : 0°C ~ 80°C Water, Oil (Order-Made) |
Description
Item
| Description |
1
| BALEM 130 (Basic Valve) |
2
| Pressure Relief Pilot Valve (Model 573) |
3 |
Strainer |
4 |
Cock Valve |
5 |
Cock Valve |
6 |
Check Valve |
7 |
Check Valve |
8 |
Pressure Gauge |
Control Diagram
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Typical Applications
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