Hengshui Minai Rubber & Plastic Technology Co., Ltd. is one of the leading manufacturers and suppliers of flexible pump connector in China. We are committed to providing high quality customized service and OEM/ODM service to global clients. Please feel free to wholesale bulk durable flexible pump connector made in China here from our factory. If you have any enquiry about pricelist, please feel free to email us.
Products Description
The bellows of this series of Flexible Pump Connector is optional 304, 316L and 321 stainless steel. The outer multi-layer stainless steel braided mesh improves tensile resistance and pulse pressure resistance. Standard flanges are arranged at both ends. The waveform structure is optimized for fluid working conditions with smooth flow and few medium retention dead zones. Welded joints are dense and leak-free. The product features excellent fatigue resistance, corrosion resistance against moisture, oil, weak acids and alkalis, and adapts to alternating cold and hot medium conditions. Nominal diameter, effective length and wall thickness structure can be customized according to pump power, flow rate and pressure. Limit tie rods and external protective sleeves are optional. All products pass hydraulic and air tightness tests before delivery, suitable for installation at inlet and outlet of various pump sets including centrifugal pumps, booster pumps, oil pumps and cooling circulation pumps.
Product Parameters
|
Parameter Item |
Specification |
|
Main Material |
304, 316L, 321 Stainless Steel |
|
Nominal Diameter |
DN25～DN600 |
|
Connection Type |
Plate Flat Welded Flange, Weld Neck Flange |
|
Operating Temperature |
-60℃～420℃ |
|
Applicable Media |
Cooling water, hot water, steam, oil products, industrial circulating water, neutral chemical fluids |
|
Pressure Grade |
PN0.6～PN16, thickened customization available for high pressure |
|
Optional Accessories |
Limit tie rod, anti-twist sleeve, external protective spring |
Product Advantages
Efficient Vibration Isolation to Block Vibration Transmission
Absorb continuous vibration generated during pump operation, prevent vibration spreading over long distances along rigid pipelines, reduce fatigue damage to valves, supports and pipeline welds, and significantly lower overall noise in pump rooms.
Buffer Water Hammer Impact to Protect Pump Impellers
The flexible structure can buffer peak water hammer pressure generated during start-stop and valve switching, relieve instantaneous impact and extend service life of pump bodies and seals.
Compensate Multiple Displacements to Eliminate Installation Stress
It can compensate axial expansion, lateral offset and a small amount of angular deviation at the same time, solving forced pipeline stress caused by foundation settlement and assembly misalignment, and preventing deformation of pump port flanges under force.
Excellent Flow Performance with Low Risk of Scaling and Blockage
Smooth bellows waveform brings low flow resistance. Compared with rubber flexible joints, it withstands higher temperature and will not age, bulge or fail under high-temperature steam and heat transfer oil conditions.
Metal Material Resists Aging for Long-term Stable Operation
Stainless steel body resists temperature and corrosion. There is no risk of aging, swelling or degumming like rubber parts. It is suitable for pump room systems running continuously with longer maintenance intervals.
Product Applications
1. HVAC Circulating Water Pumps: Vibration reduction flexible connection for cold and hot water pumps to lower resonance noise in equipment rooms.
2. Thermal Boiler Room Systems: Pipeline compensation for hot water pumps and steam circulation pumps to adapt to high-temperature medium conditions.
3. Sewage Treatment Pump Stations: Installed at inlet and outlet of sewage pumps and lift pumps to buffer unit vibration and protect pipelines.
4. Hydraulic and Lubricating Oil Station Oil Pumps: Vibration isolation connection for oil pumps to prevent pipeline loosening and leakage.
5. Chemical Circulating Pump Units: Used for neutral fluid transfer pumps to compensate thermal displacement and resist medium corrosion.
6. Cooling Systems in Power Plants and Data Centers: Flexible connectors for large circulating pumps to ensure continuous and stable operation.
Product Q&A
Q: What are the core functions of flexible pump connectors?
A: Flexible pump connectors are mainly used for flexible pipeline docking of pumps, with core functions of vibration damping and noise reduction, displacement compensation and pressure buffering. They effectively eliminate pipeline stress and noise caused by pump operation vibration, compensate for equipment installation deviation and operating displacement, avoid cracking, leakage and falling off of rigid pipelines, stabilize the entire fluid transmission system, and extend the service life of pump valves and pipeline equipment.
Q: What media and industries are flexible pump connectors suitable for?
A: The product is compatible with various media such as clean water, sewage, hydraulic oil, engine oil and weak acid-base chemical fluids with strong universality. It is widely used in petroleum, chemical industry, metallurgy, electric power, pump valve hydraulics, intelligent manufacturing, engineering machinery, automobile, shipbuilding, sanitary ware, home appliances and other industries, and can also support semiconductor and photovoltaic precision equipment.
Q: What are the advantages of flexible pump connectors over rigid pipe connections?
A: Ordinary rigid pipes are fixedly installed without buffering capacity. Long-term pump vibration is prone to cause stress cracking, interface water and oil leakage and high noise, and cannot compensate for installation errors and equipment displacement. Flexible pump connectors have high flexible buffering performance, with vibration damping, noise reduction, high installation tolerance and dynamic compensation functions. They are aging-resistant, corrosion-resistant and durable, greatly reducing equipment failure rate and maintenance costs with far higher comprehensive stability than rigid pipe connections.
