With more than 30 years of casting history, Wenzhou Longzhu Industrial Co., Ltd. has a large number of experienced casting engineers and technicians. We can produce castings of various sizes, shapes and materials according to the drawings provided by customers, especially in the field of valve castings. Cooperate with Fortune 500 companies for many years.
GS-C251.0619,WCB.WCC,LCB,LCC,LC3,4C,4D,WC6,C5,C12, C12A,CA15，CF3,CF8(-196’C),CF3M,CF8M,CF8C,CD4MCu,CK3MC uN,ZG200-400,ZG230-450,ZG270-500,2G40Cr1,ZG20CrM0.2G15C r1Mo1V,ZG35Cr1MO.ZG16CrMOG(1Cr5Mo),ZG1Cr13,ZGOCr18Ni9 Ti.5A.KmTB Cr26.4A
Resin sand casting, etc.
Sales manager： Mrs.peng E-mail: email@example.com
Tel： 0086-0577-86621768 Fax： 0086-0577-86621935
Address ： No.19 Longyong Road.Xiongxin Village. Longwan,Wenzhou,Zhejiang,China
1. In the process of opening and closing, the frictional force between the sealing surfaces is small.
2. It is more durable.
3. The opening height is not big.
4. It is easy to manufacture and convenient to maintain.
5. It is not only suitable for medium low pressure, but also suitable for high pressure.
Most decisions about which steel to use are based on a combination of the following factors:
a. There may also be special requirements such as non-magnetic properties to take into account.
b. It must also be borne in mind that steel type alone is not the only factor in material selection. Surface finish is at least as important in many applications, particularly where there is a strong aesthetic component. Availability. There may be a perfectly correct technical choice of material which cannot be implemented because it is not available in the time required.
c. Cost. Sometimes the correct technical option is not finally chosen on cost grounds alone. However, it is important to assess cost on the correct basis. Many stainless steel applications are shown to be advantageous on a life cycle cost basis rather than initial cost. The final choice will almost certainly be in the hands of a specialist but their task can be helped by gathering as much information about the above factors. Missing information is sometimes the difference between a successful and unsuccessful application.
Longzhu not only has world-class resin sand founding production lines, digital controlled lathes, machining centers and other advanced processing devices, but also boasts perfect process facilities, standardized manufacturing and division of labor based on specialization; and has formed a complete production and manufacturing process. Furthermore, Longzhu has invested a huge sum in technical transformation and has set up a special new product R&D center.
All the time, Longzhu adheres to a quality policy of "Treating People with Sincerity, Seeking for Prosperity with Quality" and a principle of "Reputation First, Quality First", sets up an industry-leading modern quality inspection and test center, and tests outgoing products strictly with direct-reading spectrometer, fluorescent magnetic particle inspection, all-digital ultrasonic fault detectors, screen display hydraulic pressure universal testers, radiographic testing machine, coordinate Measuring Machine, molten steel thermocouple thermometer and other inspection devices. So far, Longzhu has obtained the CE certification of the EU and the ISO9001 Quality Management System certification relying on its reliable product quality.