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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 | DN50-300 |
|---|---|
| Working pressure | PN25 |
| 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 +EPDM |
| Stem | SS420/SS431/SS304/SS316 |
| Stem Nut | Brass/Albronze/Gun-metal |
| Bonnet Gasket | NBR |
| Fasteners | Carbon steel/Stainless steel |
4.Features
- Full bore design, flat bottomed seat prevents accumulation of debris and allows unimpeded flow.
- Whole coated wedge makes it not easy to fall off and has good elastic memory.
- Online replaceable under full pressure with valve fully opened; Three o-ringsgreatly reduces the friction resistance when switching, switch light and watertight.
- The body is coated with powdered epoxy resin to prevent corrosion and rust of the body and can be used in sewage systems.
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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