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What causes the glass fiber reinforced plastic tank to appear sunken?
Release time:
2023/02/16
Fiberglass tanks are non-metal composite material tanks made from resin and fiberglass, wound by microcomputer-controlled machines. They have advantages such as corrosion resistance, high strength, and long service life. However, fiberglass tanks may also experience a phenomenon known as "suction collapse." What causes this? The shortcomings of fiberglass tanks include insufficient rigidity and high brittleness. The normal service life can reach over 10 years (exposure to sunlight can reduce this lifespan), and they can withstand pressures of up to 10 kg. Improper storage can lead to the rupture of fiberglass tanks, affecting their subsequent use. Generally, the pre-treatment water flow pressure is around 3 kg, and under normal circumstances, they are not prone to rupture. If suction collapse frequently occurs, please check for the following issues: 1. The main reason for the suction collapse of the tank is negative pressure, which can be caused by two factors: ① A high-pressure pump causing the tank to collapse: If the water source is cut off before pre-treatment, and there is no water flowing through the filter, but there is an issue with the electrical control at the back end, or if a low-pressure switch protection is not installed (or the low-pressure switch is ineffective) to cut off the power supply to the reverse osmosis main pump, the pump will draw air due to the lack of water flow, resulting in negative pressure and causing the fiberglass tank to collapse. ② Backflow at the water inlet causing negative pressure that collapses the tank; a check valve should be installed. 2. Insufficient design strength of the wall thickness or defects such as local delamination or non-through channels during the molding process can cause the fiberglass tank to collapse. 3. Lack of protective devices for the reverse osmosis equipment main unit can lead to water hammer phenomena, which refers to the rapid increase or decrease in water flow, velocity, and pressure in a short period within a certain space. These are the reasons for the suction collapse phenomenon in fiberglass tanks. I hope this information is helpful. Guangxi Fiberglass Products Co., Ltd. is a professional manufacturer of fiberglass products, and our products are well-received by users. Feel free to contact us for inquiries.
Fiberglass tanks are a type of non-metallic composite material tank body made from resin and fiberglass wound by microcomputer-controlled machines. They have advantages such as corrosion resistance, high strength, and long service life. However, fiberglass tanks may also experience a phenomenon of being sucked flat. What is the reason for this?
The shortcomings of fiberglass tanks include insufficient rigidity and high brittleness. The normal service life can reach over 10 years (exposure to sunlight can reduce the service life), and they can withstand pressures of up to 10 kilograms. If not stored properly, it can lead to the rupture of the fiberglass tank, affecting future use. Generally, the pre-treatment water flow pressure is around 3KG, and under normal circumstances, it is not easy to rupture. If the phenomenon of being sucked flat occurs frequently, please check for the following issues:
1. The main reason for the tank being sucked flat is negative pressure, which can be caused by two factors:
① High-pressure pumps can suck the tank flat: If the water source is cut off before pre-treatment, and there is no water passing through the filter, but there is a problem with the electrical control at the back end, or if a low-pressure switch protection is not installed before the pump (or the low-pressure switch is not functioning), the high-pressure pump of the reverse osmosis main machine will continue to operate without cutting off the power supply. Due to the lack of water flow, the pump draws air, resulting in negative pressure and sucking the fiberglass tank flat.
② Water backflow at the inlet causes negative pressure that sucks the tank flat; a check valve should be installed.
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Insufficient design strength of wall thickness or defects such as local delamination or non-through channels during the molding process can cause the fiberglass tank to be sucked flat.
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The lack of protective devices for the reverse osmosis equipment main unit can lead to water hammer phenomena, which refers to the rapid increase or decrease in water flow, speed, and pressure in a short period of time within a certain space.
The above are the reasons for the phenomenon of fiberglass tanks being sucked flat. I hope this can be helpful to everyone. Guangxi Fiberglass Products Co., Ltd. is a professional manufacturer of fiberglass products, and our products are well received by users. We welcome inquiries by phone.
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