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Changzhou JetBlue Fluid Technology Co., Ltd
Low opening pressure check valve
NegotiableUpdate on 05/18
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Overview
Low opening high flow check valve, a special type of check valve that can open with minimal pressure difference, allowing one-way flow of medium and preventing reverse flow. Its opening pressure is usually significantly lower than that of conventional check valves, and the product opening pressure can even be as low as below 0.02 bar. The internal structure of this check valve has been optimized and designed, using lightweight valve discs, low stiffness springs, and special valve core structures to significantly reduce opening resistance.
Product Details
Low opening pressure high flow one-way valve (check valve)Product detail images
Low opening high flow check valve, a special type of check valve that can open with minimal pressure difference, allowing one-way flow of medium and preventing reverse flow. Its opening pressure is usually significantly lower than that of conventional check valves, and the product opening pressure can even be as low as below 0.02 bar. The internal structure of this check valve has been optimized and designed, using lightweight valve discs, low stiffness springs, and special valve core structures to significantly reduce opening resistance. In scenarios such as circuits, it can open under a small pressure difference to meet system requirements, and can quickly check back when no air is needed, effectively avoiding medium backflow and ensuring safe and stable operation of the system.
Product performance
Low opening pressureThe opening pressure is usually lower than 0.5 PSI (about 0.0034 MPa), and some products can even be as low as 0.002 MPa. It can quickly open under a small pressure difference, ensuring smooth fluid flow and reducing system energy consumption and startup delay.
high trafficUmbrella shaped or specially designed valve disc components with larger diameters significantly increase the flow area compared to conventional check valves, allowing higher flow rates to pass through, meeting high flow demand scenarios, and reducing pressure drop during flow, ensuring efficient fluid transmission.
material usage
The valve body is made of high-strength brass or 303 stainless steel material, which has strong corrosion resistance and can adapt to various complex working environments, ensuring long-term stable operation. The internal valve disc and sealing components are made of high-quality elastic materials, such as special rubber formulas or high-performance synthetic materials, to ensure good sealing and fatigue resistance, and extend the service life of the valve.
parameter table
parameter |
details |
Pressure rating |
2500psig |
Effective orifice |
About 1/4-8 inches |
| material | 316L |
Opening pressure |
Usually<0.5 PSI |
Applicable Medium |
Gas, liquid (adapted to different corrosive liquids depending on the sealing material) |
Operating Temperature |
Depending on the material, it can reach -20 ℃ -250 ℃ (brass, stainless steel valve body with different seals) |
model
Multiple models are available for scenarios with more stringent traffic requirements, and precise selection can be made based on specific usage needs.
purpose
Widely used in alkaline electrolysis cells, chemical, pharmaceutical, natural gas, power, HVAC and other fields. In chemical processes, it can ensure continuous flow of fluids during flow fluctuations to avoid material accumulation; Prevent medium backflow from damaging equipment in oil and gas transportation; In HVAC systems, maintaining stable water flow ensures efficient operation of the system.
packaging
It is packed in solid cartons and filled with cushioning materials such as foam inside to ensure that the valves are free from collision and damage during transportation and that the products are delivered to customers in good condition.
Instructions for Use
Before installation, check the appearance of the valve for damage and ensure that there are no debris inside.
Install correctly in the pipeline system according to the direction indicated by the flow arrow on the valve body, horizontally or vertically (applicable to some models, according to the instructions).
During installation, maintain a reasonable distance from the pump and pipe fittings. The downstream of the elbow should be at least 5 times the pipe diameter, and the downstream of the tee/control valve should be at least 10 times the pipe diameter (according to MSS-SP-92 standard) to ensure stable flow.
after-sales service
Provide professional technical support and answer questions during installation and use.
Product warranty [1] year, if there are any quality problems during the warranty period, free repair or replacement will be provided.
Establish a customer follow-up mechanism, regularly understand product usage, and continuously optimize services.
