Задвижка с упругим седлом с выдвижным штоком
Rising stem resilient seated gate valve is made of good ductile iron material. The wedge has the function of exchange. Good sealing effect can be achieved by compensating for trace deformation of the elastic wedge. The valve has the advantages of light switch, reliable seal, good elastic memory and long service life. It can be widely used in tap water, sewage, construction, food, electric power, medicine, metallurgy, light textile, energy system and other fluid pipeline as a regulating and closure device.
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 |
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 +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.
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