[Fine]Surface finish in piston seal?
The surface finish in the piston seal is also an important factor and may, in turn, dominate the selection of the material for the applicable seal.The Dongsheng seal tells you that the rubber seal usually requires a high degree of surface light on the running-in surface (1 渭inra or better)While most of the clip-on rubber seals can withstand surface roughness of up to 32 渭 in for a long time.For more rough hole finish or occasions where the surface of the hole may be corroded (Working Environment), Can choose to use the leather packing seal, in order to give the excellent performance on the basis of high pressure long life work.
In any case, the effect of surface finish on wear will increase at high pressure, and the seal life in this working condition will have a great relationship with the surface finish involved.The sealing assembly provides superiority in this regard, as the lip mouth of all individual seals is not necessarily loaded by the entire fluid pressure, and even the ventilated circle has pressure drop along the width of the valve.When there are enough circles in the sealing assembly, the failure of a circle part can still be adapted by the circle without mourning.
Piston seals, seals, surface finish
Article finishing dshmfcom, Dongsheng Seal Company
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In August 2018, our Guangdong Dongsheng Sealing Technology Co., Ltd. (Hunan Branch) was formally established. We also participated in the first International Engineering Machinery Parts Exhibition held in Guangzhou.
In November 2018, we participated in the Asia International Power Transmission and Control Technology (PTC Exhibition).
In November 2018, we participated in the 2018 Bauma China Shanghai BMW Exhibition, as well as China International Construction Machinery, Building Materials Machinery, Mining Machinery, Engineering Vehicles and Equipment Expo.
We obtained the ATF automotive product international quality system certification.
We applied for some independent research and development patents.
In April 2017, our silicone products passed the quality supervision food inspection of Guangdong Province and obtained the certificate.
In July 2017, Dongpu Guangzhou Branch was established.
In August 2017, the official website (www.dshseals.cn) of Guangzhou Branch was officially launched.
In August 2017, a large-scale sulfurizing machine with a thickness of 1800mm and 1800mm and weight of 630 tons was successfully installed and commissioned.
In September 2017, the official website (www.dslxb.com.) of Donglili Luggage was officially launched.
In January 2017, we applied for the invention and the utility model patent for the “Deep Sea Robot Seal”.
In December 2017, we won the first CCTV “Golden Horse Leader” Enterprise Development Documentary.
In March 2016, we participated in the Western China International Equipment Manufacturing Expo.
In May 2016, we participated in the US OC Oil and Gas Exhibition.
In June 2016, we released a series of new products, and the phenolic resin guide tape was successfully developed.
In August 2016, we successfully obtained the invention patent certificate for pharmaceutical equipment sealing ring.
In September 2016, we successfully obtained the invention patent certificate for the alloy seal.
In October 2016, Dongguan Dongpu Travel Goods Co., Ltd. was established.
In December 2016, our new modified seals passed the RoHS certification.
In April 2015, the product testing center was officially put into operation.
In July 2015, the new modified sealing products obtained the inspection certificate of Guangzhou Machinery Industry Auto Parts Product Quality Supervision and Inspection Center.
In September 2015, the brand promotion and network department were formally established. We gained the International Quality System Certification.
In August 2013, the food-grade series sealing products passed the quality supervision food inspection of Guangdong Province and obtained the certificate of excellent performance.
In October 2013, the Foreign Trade Department was established.
In January 2013, the automatic product printing press was successfully put into operation with a daily output of 5,000 pieces per day.