FZ Filter Mesh filter bags are including Nylon Monofilament Filter Bags,Food Grade NMO Mesh Filter Bags,Sillicon Free NMO Mesh Filter Bags,Polyester monofilament Filter Bags,Food Grade Polyester monofilament Filter Bags,Sillicon Free Polyester Monofiliament Filter Bags,which are widely application in food and beverage industry, and automobile industry, it is an extremely strong material with precise weaving to ensure consistent pore sizes.The workers have many years of process experience, can ensure the consistency of bag quality and the textile machinery are imported to produce .The yarn in all of our mesh filter bags is abrasion resistant, compatible with a broad range of chemicals, unaffected by metal fatigue or corrosion, and boasts high tensile strength.
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Valve body and bonnet leakage causes and solutions
Causes 1. cast iron casting quality is not high, the valve body and the valve body with trachoma, loose tissue, slag and other defects 2. Day cold cracking; 3. Poor welding, there is slag, welding, stress cracking, etc. Defects 4. Cast iron valve is hit by heavy objects damage prevention and solutions 1. To improve the casting quality, strictly in accordance with the provisions of the pre-installation strength test; 2. For the temperature of 0 ° and 0 ° below the valve, insulation or heat should be mixed , Stop the use of the valve should be ruled out stagnant water 3. The weld consisting of the valve body and the valve cover should be carried out according to the relevant welding procedures, testing and strength testing should be carried out after welding; 4. Do not push the valve on the weight Material, does not allow the hand hammer hit the cast iron and non-metallic valves, large-diameter valve installation should be supported