Underground Hydrant
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![شیر آتشنشانی زیر زمینی](https://navidkariz.ir/wp-content/uploads/2023/10/photo_2023-10-02_15-32-33.png)
Underground Hydrant
domain of usage:
Water collection in the form of fire extinguishing, irrigation of green spaces, washing of areas, etc.
Features: equipped with an automatic drain valve to prevent water remaining in the upper inner space of the valve and freezing in cold weather.
Production range: DN80…DN100, PN10…PN16
Reference standards in design and construction
BS 750 valve design
Hydrostatic tests (sealing, pressure resistance and functional): ISO 5208
Type of cast iron: gray cast iron: DIN-EN 1561 GJL 250 DIN1691 GG-25
Ductile iron: DIN-EN 1563 GJS400-15 DIN 1693 GGG-40
Inner and outer coating: epoxy electrostatic powder paint/epoxy liquid paint.
- خانواده ...
Sex:
Gray cast iron PN10 Ductile cast iron for PN16
Flange dimensions and drilling: DIN-EN 1099-2, DIN2501, ISO7005-2