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None return valve are often used as bottom valves for pumping devices to prevent backflow of water. The combination of the stop valve and the shut-off valve provides a safe isolation. The disadvantage is that the resistance is large and the sealing is poor when closed.
The company holds the business philosophy that "Quality Refers to Strength, Details Reach to Success" , and tries its best to do well at every aspect.
Page last updated: 8 April 2017
© The State of Victoria, 2015-2017
Address: 4th Floor, Building A, Yufeng Industry park,
Yangguang area, Xili, Nanshan, Shenzhen, China
WhatsApp/WechatSkype/Tel: 008613587650790
E-mail: ada@ada-inverter.com
