| Media: | Gas, Water, Steam |
|---|---|
| Driving Mode: | Pneumatic |
| Connection Form: | Flange, Weld, Wafer |
| Structure: | Centre Sealing |
| Seal Form: | Soft Sealing |
| Valve Stem: | Normal |
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The plug valve is a closing member or plunger-shaped rotary valve. By rotating 90 degrees, the channel port on the valve plug communicates with or separates the channel port on the valve body, thereby realizing opening or closing.
The shape of its valve plug can be cylindrical or conical. In cylindrical valve plugs, the channels are generally rectangular; in tapered valve plugs, the channels are trapezoidal. These shapes make the plug valve lightweight in construction. It is most suitable for cutting off and connecting the medium and diverting the flow, but depending on the applicable properties and the erosion resistance of the sealing surface, it can sometimes be used for throttling.
1. The plug valve is used for frequent operations and can be opened and closed quickly and easily.
2. The plug valve has small fluid resistance.
3. The plug valve has a simple structure, is relatively small in size, light in weight, and easy to maintain.
4. Good sealing performance.
5. It is not restricted by the installation direction, and the flow direction of the medium can be arbitrary.
6. No vibration and low noise.
The main components of the plug valve include the valve body, valve core, sealing ring and transmission device. When the valve core is rotated, the hole in its center will gradually align with the channel, thereby changing the flow state of the fluid. The plug valve can open and close quickly, and has good shut-off performance and flow control capabilities.
| Name | Plug valve |
| Structure | Sleeve type soft sealing plug valve |
| Size | 1/2"~20"; DN15~DN500 |
| Normal pressure | Class 150LB~300LB; PN16~PN40 |
| Design standard | API 599,API 6D,ASME B16.34; BS 5353 |
| Marked | MSS SP-25 |
| Fire safe design | API607,API 6FA |
| End flange | ANSI B 16.5,ASME B16.47; EN1092,DIN2543~DIN2547,AS2129 |
| Face to Face | ANSI B 16.10,API 6D; DIN3202,EN558-1,EN12982,ISO 5752 |
| Top flange | ISO 5211 |
| Test standard | API598,API6D; DIN3230,EN12266,ISO 5208 |
| Suitable temperature | -29~150°C |
| Medium | Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc. |
| Acidic environment | NACE MR0175 |
| Operation | Hand Operated,Gear Operated, Electrical Actuated, Pheumatic Actuated |
| - Plug valve with Sleeve type PTFE seal serves as cutting and connecting medium on the pipeline. |
| - It can be used in large-scale Chemical industry . |
| - It is suitable for water, steam, oil, other corrosive acid. |
| - It has reasonable structure, Reliable seal face (Sleeve type PTFE ), Excellent performance,And perfect appearance. |
| - It adopt all around Sleeve type PTFE seal, can ensure zero leakage.Special 360 º metal edge can assure fix Sleeve well. |
| - It is designed with no cavity, therefore medium will not accumulate. |
| - it can be used as double -direction flow. It is very convenient for installation and usage, |
| - Material and flange dimension can be selected by practical working condition. |
| - Actuator: Wrench, Wheel, Worm gear, Pneumatic, Electric. |
| - Connection: Flange, Socket weld, Butt weld. Thread etc. |
| Part Names | Part Materials | ||||||||||
| Body | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN | |||
| Valve cover | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN | |||
| Yoke | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN | |||
| Plug | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN | |||
| Stem | F6a | F304 | F6a | F304 | F316 | F304L | F316L | A182 F51/F53 | |||
| Gland | F6a | F304 | F6a | F304 | F316 | F304L | F316L | A182 F51/F53 | |||
| Seat/Seat Ring | PTFE,RPTFE | ||||||||||
| Packing | Graphite/PTFE | ||||||||||
| Bonnet Gasket | SS304+Graphite/SS316+Graphite | ||||||||||
| Bolts/Nuts | B7/2H | L7/4 | B16/4 | B8/8 | B8M/8M | B8/8 | B8M/8M | B8M/8M | |||
| Suitable Medium | W.O.G etc. | HNO3, CH3OOH etc. | Urea etc. | ||||||||
| Suitable Temperature | -29~150 °C | -46~150 °C | -29~150 °C | -196~150 °C | -196~150 °C | -196~150 °C | -196~150 °C | -29~150 °C | |||
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