Structural characteristics and usage
Usage: Used in outlet of water pump of industrial water supply, sewage treatment plant, etc.
Function: To prevent medium's reverse flow in the pipe network, and automatically eliminate the destructive water hammer, so as to ensure the pump and pipeline from being damaged.
Parts: Mainly consist of body, disc, buffer device and mini-adjustable valve,etc.
Features: Innovative structure, small volume, small fluid resistance, smooth and reliable operation, reliable sealing, abrasion resistance, good buffer performance,etc.
Materials of main parts
| Part name | Materials |
| Body | Cast iron, carbon steel |
| Butterfly plate | Carbon steel, nodular cast iron |
| Seal ring | Oil resistance NBR, neoprene |
| Stem | Stainless steel |
| Packing | Teflon |
Main technical parameters
| PN(MPa) | 1.0 | 1.6 | 2.5 |
| Pressure test(MPa) | Shell strength | 1.5 | 2.4 | 3.75 |
| Sealing performance | 1.1 | 1.76 | 2.75 |
| Working temp(ºC) | 0~80ºC |
| Applicable medium | Water, oil, seawater, sewage |
JIANGSU COSMIC POWER ENVIRONMENTAL PROTECTION TECH Co., Ltd. Herein refers to "COP company". COP company was established in 2007, it was located in Nanjing city. COP company is a professional valves manufacturer, specialized in designing, researching, manufacturing. Our goal is to do every effort to fulfill customers' equirements. In the past eight years, we developed and strengthened our manufaturing ability and after-sale service, which makes us receive good reputation from our demestic clients. Currently, we plan to furtherly improve our valves to global markets, and make good preparation for providing the valves with best quality and most competitive prive to all our customers. Our main products include Butterfly valve, Gate valve, Ball valve, Check valve, Globe valve etc. The products is widely used in petroleum, chemical, paper making, electric power, water craft, machine and food industries, etc. Now our productes have passed certificated of ISO9001 and ISO14000.
