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1.Standard
| Design & manufacturing | EN1171/1074/DIN3202-F4/ F5/BS5163 type A |
|---|---|
| Face to face | EN558-1 series 3,14,15 |
| Flanged ends | EN1092-2, ISO7005-2, DIN2501 |
| Inspection & testing | EN12266-1 |
2.Technical Specification
| Size | DN50-600 |
|---|---|
| Working pressure | PN10 / PN16 |
| Applicable temperature | 0℃~80℃ |
| Operation | Handwheel / Square cap/ Gearbox /Electric actuator |
3.Main parts material
| Part Name | Material |
|---|---|
| Body | Ductile Iron |
| Bonnet | Ductile Iron |
| Disc | Ductile Iron +Brass |
| Stem | SS420/SS431/SS304/SS316 |
| Stem Nut | Brass/Albronze/Gun-metal |
| Bonnet Gasket | NBR |
| Fasteners | Carbon steel/Stainless steel |
4.Features
- Water hammer phenomenon is not easy to produce.
- The medium can flow to both sides of any direction. It’s easy to install.
- The disc and sealing surface adopts metal sealing. It’s wear-resisting, high temperature resistance, corrosion resistance, abrasion resistance, long service life.
- Online replaceable under full pressure with valve fully opened; Three o-rings greatly reduces the friction resistance when switching, switch light and watertight.
5.Application
- Water supplyand drainage system
- Water treatment, sewage treatment industry
- Irrigation system
- Construction industry
- Mining, steel industry
- Metallurgy plant, power plant
- Textile industry
- Food, pharmaceutical industry
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