1. Tap water filling method for the water quality less demanding pumps, or tap water pump on the transmission medium has little effect on other feed pumps, tap water can be used, very convenient. 2. Backfill filling method The backfill filling system uses the discharge side of the high tank to the backfill irrigation, using this method, the first start using artificial quasi-pump 3. Water filling method for water quality requirements Not high pump, or tap water pump on the transmission medium has little effect on other feed pump, tap water can be used, very convenient. 4. Downstream Fill Chemical pump installations in many occasions using this method, as long as the pump position below the liquid sump (tank) level, the so-called perfusion. Because of this installation has been stored in the pump liquid, so do not need to be opened when the pump filling. When using the suction pipe to install the valve, in order to pump maintenance. This valve should use a small resistance gate valve, cock, etc., while not forgetting to open the pump before starting it 5. Suction suction method It is the use of suction equipment to pump the suction pump and the air inside the suction, the liquid sucked up. Exhaust equipment available hand press and motorized vacuum pump (often water ring vacuum pump), the vacuum pump suction port is really good at the highest part of the pump or drain to pump all the gas
High quality polyester fabric, UV-resistant, washable, light and air permeable, , durable, good wind resistance performance, easy installing, EN13561-2015 certification.
Use the hook and loop tape fixed the products on the door wall
Easy to take off it when you don't need it
Natural insect protection with open door
All the fabric have the Grey Scale Level 5 performance under the xenon-arc lamps with the condition ISO 4892-2:2013 cycle 1.
As the professional Insect Screen supplier, we cooperated with consumer from all the world to settle the insect problem.
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Huanghua Techo Building Material Co., Ltd. , http://www.insectsscreen.com