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China Flanged Swing Check Valve BS5153 PN16 - Quality Suppliers and Factory Conforming to BS4504 and BS5153 Standards
ⓘ Description
As one of China's leading valve suppliers, we offer a high-quality Swing Check Valve designed for reliable backflow prevention in engineering projects and water systems. This valve features a durable swing-type disc that allows unidirectional flow and automatically closes to prevent reverse flow, ensuring system protection and efficiency. Engineered for use in municipal water networks, pump stations, and fluid control pipelines, our swing check valve delivers exceptional sealing performance, long service life, and minimal maintenance—making it a trusted solution for demanding industrial applications.
⚙ Parts & Materials
| NO. | PART | MATERIAL | STANDARD |
| 1 | Bolts | Steel | BS970 73A |
| 2 | Identification Plate | Aluminium | |
| 3 | Bonnet | Cast Iron | BS1452 Cr.180 |
| 4 | Body Gasket | Graphite | BS2494 Type W |
| 5 | Stem | Brass | BS2874 CZ12 |
| 6 | Nuts | Steel | BS970 43A |
| 7 | Side Plug | Brass | BS2874 CZ12 |
| 8 | Gasket | Fiber | |
| 9 | Hanger Pin | Brass | BS2874 CZ12 |
| 10 | Hanger | Ductile Iron | BS2789 Gr.420-12 |
| 11 | Disc | Cast Iron | BS1452 Cr.180 |
| 12 | Disc Ring | Cast Bronze | BS1400 LG2 |
| 13 | Washer | Steel | BS970 43A |
| 14 | Split Pin | Stainless Steel | BS970 420S37 |
| 15 | Body | Cast Iron | BS1452 Cr.180 |
| 16 | Stud Bolt | Steel | BS970 43A |
📐 Dimensions (mm)
🏭 Company Overview
? Frequently Asked Questions
Q
What is a Swing Check Valve used for?
A Swing Check Valve is used to prevent backflow in pipelines by allowing fluid to flow in only one direction. It is commonly applied in municipal water networks, pump stations, and industrial fluid control systems to protect equipment and maintain system efficiency.
Q
What materials are used in the construction of this Swing Check Valve?
The valve is constructed using a combination of high-quality materials including Cast Iron (BS1452 Cr.180) for the body, bonnet, and disc; Brass (BS2874 CZ12) for the stem, side plug, and hanger pin; Ductile Iron (BS2789 Gr.420-12) for the hanger; Cast Bronze (BS1400 LG2) for the disc ring; Graphite for the body gasket; and Stainless Steel (BS970 420S37) for the split pin.
Q
How does the swing-type disc mechanism work?
The swing-type disc is hinged at the top of the valve body. When fluid flows in the forward direction, the disc swings open to allow passage. When flow stops or reverses, the disc automatically swings back and closes against the seat, effectively preventing reverse flow and protecting the pipeline system.
Q
What industry standards does this valve comply with?
This Swing Check Valve is manufactured in accordance with British Standards (BS), including BS970, BS1452, BS2494, BS2874, BS2789, and BS1400 for the respective components. These standards ensure consistent quality, material performance, and dimensional accuracy across all valve parts.
Q
Is this Swing Check Valve suitable for both horizontal and vertical installations?
Yes, the swing check valve is primarily designed for horizontal pipeline installation. However, it can also be installed in vertical pipelines where flow moves upward. Proper installation orientation should be confirmed based on the specific pipeline design and flow conditions to ensure optimal sealing performance.
Q
What maintenance is required for this Swing Check Valve?
This swing check valve is engineered for minimal maintenance due to its robust construction and high-quality materials. Routine inspection of the disc, seat, and gaskets is recommended periodically. The graphite body gasket and precision-machined disc ring provide long-lasting sealing, significantly reducing the need for frequent servicing in normal operating conditions.