sealless centrifugal pump|sealless centrifugal pump meaning : chain store For most centrifugal pumps, the shaft has packing or a mechanical seal where the shaft enters the wet end. Fundamentally, a sealless pump substitutes a … Pump sizes 80 to 400 mm 3 to 16 in. Capacities up to 3’200 m³/h up to 14’000 USgpm Heads up to 2’900 m up to 9’500 ft. Pressures up to 300 bar up to 4’400 psi Temperatures up to 205°C up to 400°F Max. speed of rotation over 6’000 rpm over 6’000 rpm Performance range 50 hz 60 hz H (m) 1500 1500 Q (m3/h) 0 2000
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Sealless Centrifugal Pump Meaning
One can infer by the name that these are pumps that do not use traditional seal components, but what exactly does that entail, and what types of applications are ideal for a pump without traditional seals? Let’s first review
Sealless centrifugal pumps are a groundbreaking innovation in pump technology that eliminates the need for a dynamic shaft seal between the wetted end of a centrifugal pump and the atmosphere. This design feature has significant advantages over traditional pump designs that rely on seals to prevent leaks and contamination. By having a fully enclosed wet end, sealless centrifugal pumps do not require a seal, thereby preventing the risk of leakage and ensuring a more reliable and efficient pumping process.
Sealless Pump Manufacturers
Several reputable manufacturers specialize in the production of sealless centrifugal pumps. These manufacturers have extensive experience and expertise in designing and manufacturing sealless pumps that meet the highest industry standards for quality and performance. Some well-known sealless pump manufacturers include:
1. **March Pump**: March Pump is a leading manufacturer of sealless magnetic drive pumps that are widely used in various industries, including chemical processing, pharmaceuticals, and water treatment. Their pumps are known for their reliability, efficiency, and durability.
2. **Iwaki**: Iwaki is another trusted manufacturer of sealless centrifugal pumps, offering a wide range of models to suit different applications. Their pumps feature innovative designs and advanced technology to ensure optimal performance and longevity.
3. **Sundyne**: Sundyne is a global manufacturer of high-performance sealless pumps, including magnetic drive centrifugal pumps. Their pumps are designed to handle the most demanding applications and provide reliable, leak-free operation.
Sealless Magnetic Drive Pumps
Sealless magnetic drive pumps are a type of sealless centrifugal pump that utilizes magnetic coupling to transfer power from the motor to the impeller without the need for a mechanical seal. This design eliminates the risk of leakage and contamination associated with traditional pumps that rely on seals. Sealless magnetic drive pumps are widely used in industries where leak-free operation is essential, such as chemical processing, pharmaceuticals, and food and beverage production.
How Do Sealless Pumps Work
Sealless pumps operate on the principle of magnetic drive, where a set of magnets on the motor shaft transmits power to a set of magnets on the impeller shaft through a sealed containment shell. This magnetic coupling eliminates the need for a mechanical seal, as there is no direct contact between the wetted and non-wetted parts of the pump. As a result, sealless pumps are able to provide leak-free operation, improved reliability, and reduced maintenance requirements compared to traditional pumps with seals.
Sealless Pump Types
There are several types of sealless pumps available on the market, each designed to meet specific application requirements. Some common types of sealless pumps include:
1. **Centrifugal Sealless Pumps**: Centrifugal sealless pumps utilize centrifugal force to transfer fluid from the inlet to the outlet without the need for a seal. These pumps are ideal for handling corrosive, abrasive, and high-temperature fluids.
2. **Diaphragm Sealless Pumps**: Diaphragm sealless pumps use a flexible diaphragm to create suction and discharge pressure, eliminating the need for a seal. These pumps are suitable for handling viscous and abrasive fluids.
3. **Gear Sealless Pumps**: Gear sealless pumps utilize interlocking gears to transfer fluid from the inlet to the outlet without the need for a seal. These pumps are commonly used in applications where precise flow control is required.
Hermetically Sealed Pumps
Hermetically sealed pumps are a type of sealless pump that features a completely sealed design to prevent any leakage or contamination of the pumped fluid. These pumps are often used in applications where the fluid being pumped is hazardous, toxic, or volatile. Hermetically sealed pumps offer the highest level of safety and reliability, making them ideal for critical processes in industries such as chemical processing, oil and gas, and pharmaceuticals.
For most centrifugal pumps, the shaft has packing or a mechanical seal where the shaft enters the wet end. Fundamentally, a sealless pump substitutes a …
Suction Cavitation. Occurs when a pump is under low pressure or high vacuum conditions. Signs of suction cavitation will be around the eye of the impeller that will have .
sealless centrifugal pump|sealless centrifugal pump meaning