Goji Berry ( [Goji" means [happy") , also called wolfberry, has been used for thousands of years by herbalists in China to protect the liver, help eyesight, boost immune function, improve circulation, and promote longevity and overall well being. It has only recently gained popularity in the west, it has become so polar, in fact, the Time Magazine recently named the Goji berry as [super-fruit" of the year. A big reason why Goji berries have quickly become a favorite nutritional supplement is that its impressive list of ingredients. The Goji berry, also called the wolfberry, is a bright purplish red or purple red berry that comes from a shrub that is native to China. In Asia, goji berries have been eaten for generation in the hope of living longer.
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The following items should be noted for the installation and maintenance of the knife gate valve:
1. Handwheels, handles and transmission mechanisms are not allowed to be used for lifting, and collision is strictly prohibited.
2. The double gate valve should be installed vertically (ie the stem is in the vertical position and the handwheel is on the top).
3. The gate valve with the bypass valve should open the bypass valve before opening (to balance the pressure difference between the inlet and outlet and reduce the opening force).
4. The gate valve with transmission mechanism is installed according to the specifications of the product manual.
5. If the valve is used frequently, it should be lubricated at least once a month.
The knife-type gate valve can complete the action control and signal output of the two positions of the opening and closing by using the accessories such as the electromagnetic valve and the proximity switch, and can also complete the automatic control of the continuous action. Knife-type gate valves are widely used in chemical, coal, sugar, sewage, paper and other fields, and are an ideal sealing gate valve . It is especially suitable for adjustment and throttling in the paper industry on the pipeline.