Best cartridge seal factory

Cartridge mechanical seal manufacturer in China: Distinguishing proof of installation failure: It is hard to appropriately represent the numerous conceivable consequences of establishment disappointment. One of the more typical disappointment modes is the “Skiving” of the O-ring surface because of cutting by metal segments. Those cuts are generally extremely spotless as though made with a sharp blade. Another sign of awful establishment will be little cuts or scores on the O-ring. In practically all cases, the harm will show up on the outside of the O-ring far from the base of the O-ring groove. Find additional information on

Viking Gear pump is a world famous brand for gear pump, a Unit of IDEX Corporation, leads the world in the design and manufacture of rotary Positive Displacement Pumps for use in some of the toughest applications. Since 1911, our innovative products have been key contributors to successful operations in virtually every industry—from military, to food and beverage, to chemicals, fuels and plastics—reliably pumping materials that are thin, thick, hot, cold, liquid, solid, etc.

Lepu Seal always puts quality the first. During the production process, we are detail-oriented to each step. Advanced production technology is utilized and carried out for the manufacturing of the product, which makes it perfectly prevent the fluid and solid particles from leaking into the machine. In addition, exquisite workmanship guarantees the high quality. It is characterized by its durability, reliability, and ageing resistance.

Take the mechanical seals – the most commonly used and popular products now – as the example: It is also known as a face seal, which is a rotary machine shaft seal device that can avoid the leakage of the fluid. It is widely used for the rotation of the shaft seal, for pumps, kettle, compressor, and other similar equipment. There are a lot of materials for manufacturing the mechanical seals, including rubber, stainless steel, PTFE, carbon, ceramic, Sic and TC.

LEPU SEAL(China mechanical seal manufacturers) provides a wide range of Mechanical Seal for customers. Mechanical Seal is in line with stringent quality standards. The price is more favorable than other products in the industry and the cost performance is relatively high. LEPU SEAL insists on the principle to be honest, practical, and efficient. We continue to accumulate experience and improve service quality, so as to win praise from customers. We supply high-quality Mechanical seal, Grundfos mechanical seal, Burgmann mechanical seal, Cartridge Seal, Bellows Seal,etc.

It has several unparalleled advantages compared with other types of mechanical seals. Firstly, it has a good sealing function, which means the sealing state is very stable, and the leakage is small even after a long working time. Secondly, it has the advantage of small consumption of friction power and the abrasion of the shaft or sleeve can be negligible. We put customers the first and take customers’ demand into serious consideration. Various types of materials are available for the product including carb, silicone, viton, NBR, and EPDM. Read more information at

The temperature always has a part in everything you do, for instance, a change in temperature can make you change your plans anytime anywhere. The same changes in temperature are somehow unavoidable in shaft seals, whether it is hot or cold; there is an influence to the shaft seals that can later be related to its lifespan. When the temperatures are very high the seal materials will experience negative changes in its mechanical features that would, in turn, affect the durability of the seals. Extreme temperatures can lead to the unexpected malfunction of the seal while at the same time the seal lip will be harder than normal and cracks will also be noticed in the point of contact. The high temperatures can be as a result of environmental factors and friction that is normally caused by the seal lip during its operations. The resultant of high temperature caused by friction is normally known as the ‘over temperature’ since the seal gap temperature is higher than the oil bath temperature.

We’ve absorbed plenty of experienced technicians, which guarantees that there is no sticking or clogging, making the design rugged and reliable. The seal is independent of direction of rotation, which provides more convenience for the movement of the product. It also has precise operating parameters including less than 0.5MPa operating pressure and wide temperature ranging from -20? to 120?. Compared with other series of seals, it has reliable sealing performance, small leakage, long service life, and low maintenance frequency. Thanks to its stable chemical performance, the product can stay perfect for more than one and a half years or even longer in the oil and water, or all kinds of corrosive acid, alkali, salt. Besides that, the shaft or bushing won’t get worn easily. One thing that needs to be mentioned is that this kind of products has good vibration resistance and will not be easily affected by the vibration and yaw of the rotating shaft.