Appointment
Hydrant valves Dn-200 are designed for delivery of irrigation water from the distribution system (steel, plastic, concrete pipelines) to the full-circle stationary systems, mobile and center pivots. Hydrant valve is not intended to regulate the water flow rate. It is mainly used as a cut-off valve which gate is positioned in «OPEN» & «CLOSED» end positions.
Design and working principle
Hydrant valve consists of the body 1, inside which there is a screw 2, sealing 4 and a cover 3, which is raising above the body 1, thus activating the delivery of water to the irrigation hydrant valve. Flange bolted connection.
|
1. |
Corps |
structural steel |
|
2. |
Screw |
Stainless Steel |
|
3. |
Cover |
Stainless Steel |
|
4. |
Seal |
rubber compounds |
Specification
|
Working pressure, kg/cm2 (MPa) |
8 (0.8) |
|
Test pressure, kgf/cm2 (MPa) |
16 (1.6) |
|
Finishing, DIN EN ISO 1461 |
hot zinc |
|
Weight, kg |
23 |