Flange Swing Check Valve
1.Connection Ends: Flange to ASME B16.1 CL 125
2.Working Pressure: 300PSl200PSl and 250PSl available upon request.
3.Temperature Range: 0℃- 80℃.
4.Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550
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Description
Description of Flange Swing Check Valve
Flange swing check valve is a device used to prevent the backflow of media in pipelines. The valve disc closes quickly, the water hammer pressure is small, the flow channel is smooth, the fluid resistance is small, the action is sensitive, the sealing performance is good, and the overall structure is simple and compact. Beautiful appearance, long service life and high reliability. These characteristics make the flange swing check valve one of the important safety equipment in industrial pipeline systems.
The main contents of Flange Swing Check Valve inspection
1. Check whether the dynamic seal of the valve stem and the static seal of the flange gasket are leaking;
2. Whether the opening and closing status is normal;
3. Check whether the valve body is damaged or leaking. If the valve is abnormally open or normally closed, rotate it 1 to 2 times or perform a lifting test;
5. Lubricate the valve stem of normally open or normally closed valves;
Advantages of Flange Swing Check Valve
1. Small size, light weight, small fluid resistance, and low water hammer pressure when closed;
2. Easy and flexible operation, long service life;
3. It has good sealing performance, can effectively prevent medium leakage and ensure the stable operation of the system;
4. Simple structure, easy installation, low maintenance cost, high reliability and stability.
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Specification
Description of Flange Swing Check Valve
| Part No. | Part | Standard Specification | Options |
| 1 | Valve Body | ASTM A536, 65-45-12 | |
| 2 | Bonnet | ASTM A536, 65-45-12 | |
| 3 | Eye Bolt | Carbon Steel Zinc Plated | |
| 4 | O-Ring | NBR | EPDM |
| 5 | Hinge Pin | AISI 304 | |
| 6 | Hinge Bushing | Brass ASTM B16 C36000/Hpb63-3 | |
| 7 | Seat Ring | Bronze ASTM B62 C83600/ZQSn5-5-5(Pressed Fit) |
AISI 304, AISI 316 Pressed Fit or Threaded |
| 8 | Disc Seat Bolt | AISI 304 | |
| 9 | Retainer Washer | Bronze ASTM B62 C83600/ZQSn5-5-5 | |
| 10 | Disc Sealing Ring | EPDM | AISI 304, AISI 316, Bronze ASTM B62 |
| 11 | Disc | ASTM A536, 65-45-12 | |
| 12 | Clapper Arm | ASTM A536, 65-45-12 | |
| 13 | Stud Bushing | Brass ASTM B16 C36000/Hpb63-3 | |
| 14 | O-Ring | NBR | EPDM |
| 15 | Nut | AISI 304 | AISI 316 |
| DN | Dimensions(mm) | ||||||
| Inch | mm | L | D | D1 | b | n-Φd | H |
| 2″ | 50 | 203 | 152 | 120.5 | 16 | 4-Φ19.1 | 133 |
| 2.5″ | 65 | 254 | 178 | 139.5 | 17.5 | 4-Φ19.1 | 150 |
| 3″ | 80 | 278 | 191 | 152.5 | 19 | 4-Φ19.1 | 150 |
| 4″ | 100 | 330 | 229 | 190.5 | 24 | 8-Φ19.1 | 218 |
| 6″ | 150 | 406 | 279 | 241.5 | 25.5 | 8-Φ22.2 | 290 |
| 8″ | 200 | 495 | 343 | 298.5 | 28.5 | 8-Φ22.2 | 330 |
| 10″ | 250 | 622 | 406 | 362 | 30.5 | 12-Φ25.4 | 350 |
| 12″ | 300 | 660 | 483 | 432 | 32 | 12-Φ25.4 | 376 |
Other specifications have not been shown on our dimension chart, please CONTACT US for more information
Please Send Email: [email protected] or Mobile:(WhatsApp): +86 155 15596408.
Application
Swing check valve has a very wide range of applications due to its following characteristics:
1. Suitable for various media
Swing check valves can be used in various media, such as water, oil, gas, etc., and can also be used in corrosive media.
2. Suitable for high temperature and high pressure situations
Due to its structural characteristics, the swing check valve can withstand high pressure and temperature, and is especially suitable for high temperature and high pressure applications.
3. Applicable to various industrial fields
Swing check valves have a very wide range of applications and can be used in various industrial fields such as petroleum, chemical industry, metallurgy, and electric power.
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| Flange swing check valve is used for construction | Flange swing check valve is used for water |
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| Flange swing check valve is used for drainage | Flange swing check valve is used for water treatment |
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Please Send Email: [email protected] or Mobile:(WhatsApp): +86 155 15596408.
Enquiry
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