Darhor is a well known high-tech flow meter and solenoid valve manufacturer with a great deal of experience. We provide the highest quality, innovative products to our customers around the world. We are a member of sinopec material and resouce market as well as Petrochina material suppliers.Since the company engineers started focus on this product from 1986, customers have come to recognize Darhor Technology co.,Limited to stand for quality, reliability, and readily available low cost products. Our factory has established plants with floor coverage of 60mu and buliding area of 30.00m2 through development of more than 20 years.
The technical innovation is the vigor souce of our company. We have long term cooperation with institues and colleges including Chinese Academy of Siences,Tsinghua Universtiy , Zhejiang University and Shanghai University respectively. In the past 20 years, we achieve intellectual propety rights for 9 awards. which is obtained from multiple national invention patents and utility model patenets etcs.As a achievements of techinical development, in 2009s, we establishe strategic cooperation relationship with .
A: direct-acting solenoid valve
There are normally closed and normally open type two kinds. Normally closed when the power was off, when th...
1. Corrosive media: the best choice is to use plastic and stainless steel solenoid valves; strong corrosive media for isolating diaphragm must be used. Ne...