HANGZHOU BJERRINGBRO MECHANICAL SEAL CO., LTD is a specialized manufacturer of mechanical seals and pump accessories in China. Now, our products can replace the most installation sizes of of Grundfos, Nanfang, ITT, KSB, Sulzer, Alfa Laval, APV, Fristam, Shijiazhuang Qiangda, Shijiazhuang Industrial Pump, Xiangfan 525, SPEM, Dalian Danai, Kaiquan, Dongfang, Liancheng and others, especially we are good at the field transformation of packaged mechanical seal in high temperature, high pressure and high rotation speed.

From initially learning the technologies, production processes and management models of renowned foreign enterprises, to gradually establishing a foothold in the Chinese market and evolving into an outstanding mechanical seal service team, we owe it to the research and transformation of on-site services for pumps, reactors and agitators. At present, our High-temperature, high-pressure and high-speed packaged mechanical seals have been widely applied in industries such as petroleum, petrochemicals, aerospace, power, submarines, papermaking, coal washing, chemical engineering and pharmaceuticals.
 

The boiler feed pump, booster pump mechanical seal from KSB, SPEM, Shenyang Water Pump Factory; the desulfurization main circulating pump mechanical seal, slurry circulating pump mechanical seal, gypsum discharge pump mechanical seal from Sulzer, Weir Minerals, Xiangfan 525 and Shijiazhuang strong pump industry; The mechanical seals of mixers of EKATO, Laining, Chemineer and Sadik, our company all has in-depth research and transformation experience, the installation size can be replaced and can match the corresponding accessory models as soon as you provide the model of the whole machine. Meanwhile, we can achieve the advantages of year-round standby spot goods and on-site service as soon as possible. At present, we have become a long-term partner and the trustworthy brand of China Guodian, China Huaneng, China Huadian, Datang, China Power Investment, China Resources and Zheneng. We are not only a mechanical seal manufacturer, but also a service provider of pump accessories. From nothing to something, from small to strong; Up to now, we have successfully provided reliable spare parts service guarantee to more than 80 power plants. We look forward to having more industry personages to join our team in the future market field to better serve the market.
 

In the field of biomedicine and food and beverage, the mechanical seals of sanitary pumps of Alfa Laval, APV, Fristam, Borg, Waukesha and Grundfos are also one of our characteristic projects. This industry has the characteristics of complicated mechanical seal models, high requirements for material composition and material precision, and urgent delivery requirements. However, our company has been serving the on-site transformation of these equipment for many years, and is familiar with various series models. We not only provide mechanical seal, but also can transform the pump on site and provide corresponding spare parts; now, our fast service mechanism has been affirmed and supported by many owners.
 

In the field of sewage treatment, the famous brands of mechanical seals of submersible sewage pumps and agitators include ITT, Grundfos and ABS, etc， and our company can transform and replace all of them. At present, all series of mechanical seals are complete and available in stock at any time. We do not need to dismantle the pump and map it on the site. We only need you to provide the nameplate of the pump and the operating conditions on site. We can provide you with the corresponding mechanical seal model and material selection. With professional marketing service concept, complete model series, professional technical engineer team, complete specifications of the spot inventory, we have a good ability to provide a strong guarantee to offer owners better services, we sincerely look forward to your call and cooperation negotiation!
 

Although our products have small size, they all are the core components of the main equipment and have a wide range of applications， especially in the application fields of iron and steel coking, coal washing plant, alumina, coal-to-liquid, etc., where Chinese enterprises are discouraged, especially in the dry grinding and other problems, which have always troubled the normal and stable operation of the owner. On the basis of introducing foreign technologies and processes for many years, our company has accumulated experiences in years' site services and gradually found out a complete and effective scheme to provide the service time of mechanical seal; especially in the field transformation, our company has helped Chinese government save a lot of foreign exchange and provided a strong guarantee for the long-term stable operation of the owner.
 

It should be particularly noted that all of our products are only compatible in terms of installation dimensions. We make appropriate adjustments in details according to our own practices. They are neither imported products nor goods from the original host equipment manufacturers. The packaging is all our own. Especially for patented products of other companies, we do not have them. If you want to specify a brand or a patented product, it is recommended that you purchase from the original host equipment manufacturer.
 

We believe in the philosophy of "honesty supreme, reputation first, quality is the fundamental for our enterprise to achieve survival and further development. With excellent products, fast and timely delivery and after-sale service processing mechanism, we sincerely welcome friends to call us for inquiry and cooperation!