Gate valve on the market may exist shortcomings

Gate valve shortcomings are as follows: Between the sealing surface easily lead to erosion and abrasion, maintenance more difficult. Large size, open the need for a certain space, open and close a long time. The structure is more complex. Gate valve type, according to the sealing surface configuration can be divided into wedge gate valve and parallel gate valve, wedge gate valve can be divided into: single gate type, double gate and flexible gate type; gate valve can be parallel Divided into single-gate and double gate type. According to the thread position of the stem division, can be divided into Ming rod valve and dark rod gate valve two. Gate valve installation and maintenance should note the following: Hand wheel, handle and transmission are not allowed to lift, and no collision. Double gate valve should be installed vertically (ie stem in a vertical position, the hand wheel at the top). The gate valve with bypass valve should open the bypass valve before opening (to balance the pressure difference between inlet and outlet and reduce the opening force). Gate valve with transmission, according to the instructions of the product installation instructions. If the valve is always on and off, lubricate at least once a month.

Chair Tool Bag

Chair tool bag is a type of tool bag that is designed to attach to the back or under of a chair, providing a convenient and easily accessible storage space for tools and accessories. These bags are commonly used by professionals in fields such as carpentry, plumbing, electrical work, and other trades where tools need to be kept close at hand.

Chair tool bags are typically made from durable materials such as nylon, canvas, or leather, and feature multiple pockets and compartments for organizing and storing tools of various sizes. They may have adjustable straps or hooks that allow them to be easily attached to the back of a chair, or they may be designed to slip over the top of the chair back like a sleeve.

The benefits of a chair tool bag include easy access to tools without having to constantly bend down to pick them up from a tool box or bag on the ground, as well as keeping tools off the ground and away from potential hazards. Additionally, chair tool bags can help to reduce the risk of back pain and strain that can result from constantly bending over to retrieve tools from the ground.

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