Air compressor
Fluid control valves are critical auxiliary components of air compressor units, primarily used in screw‑type and centrifugal compressors as well as in downstream treatment systems. They manage the on/off switching of compressed air, pressure regulation, pipeline pressure relief, oil–air separation, and backflow prevention, ensuring stable supply pressure, safe equipment start‑up and shutdown, and reduced risk of unit failures. The working media include compressed air, lubricating oil, and condensate, with operating conditions characterized by pressure fluctuations, temperature variations, and the presence of oil and water. Consequently, these valves must provide reliable sealing, rapid response, and excellent fatigue resistance, while being well‑suited to the frequent start‑stop cycles typical of compressor operations.
In the compressor’s main unit, the intake valve serves as the core control valve, automatically adjusting the air intake flow in response to the air‑demand load. This enables loading and unloading control, matching downstream air consumption and contributing to energy savings and reduced operating costs. The safety valve is installed between the air receiver tank and the compressor housing; when system pressure exceeds the set limit, it promptly vents excess pressure, preventing overpressure‑induced rupture and ensuring safe operation—making it a critical safety component of the compressor system. A check valve is positioned at the discharge port to prevent compressed air from flowing backward during shutdown, thereby avoiding rotor reversal that could damage the compressor and minimizing the impact of sudden stoppages.
In the aftertreatment system, gas storage tanks, refrigerant dryers, and desiccant dryers are equipped with piping, ball valves, and butterfly valves to facilitate equipment isolation during maintenance, enabling convenient disassembly, assembly, and servicing of individual units. Automatic drain valves and solenoid valves periodically discharge condensate from the pipelines and the gas storage tank, preventing moisture from entering the compressed air distribution network and protecting downstream equipment from corrosion. Pressure regulating valves control the output pressure of the air supply, ensuring stable network pressure, while solenoid valves, in conjunction with the control system, automate loading/unloading and regeneration‑purge operations.
In the piping system, three-way valves and shut-off valves switch airflow, enabling multiple air compressors to supply compressed air in parallel; pressure relief valves rapidly vent residual pressure from the chamber at shutdown, ensuring operator safety during maintenance. Air compressor valves typically feature aluminum alloy, cast iron, or stainless steel bodies, with NBR or EPDM rubber seals; in certain explosion‑proof applications, explosion‑proof solenoid valves are used.
As industrial energy‑saving upgrades gain momentum, air compressors are evolving toward greater intelligence and lower energy consumption. Valves are no longer mere on/off devices; intake‑regulating and pressure‑control valves directly impact both the unit’s energy efficiency and the quality of the supplied compressed air. Reliable fluid‑control valves are a critical enabler of stable, reliable operation in air‑compression systems.
More cases
Fluid control valves are core foundational components in the new‑energy industry chain, performing functions such as media on/off switching, flow regulation, pressure control, safety shut‑off, and pressure‑relief protection. They are widely used across major sectors including **lithium batteries, hydrogen energy, photovoltaics, energy storage, and wind power**. New‑energy operating conditions typically feature **severe corrosion, high purity and cleanliness, high pressure or ultra‑low temperatures, flammability and explosiveness, as well as miniaturization and intelligent integration**, demanding valve materials, sealing, fatigue resistance, and zero‑leakage performance that far exceed those of conventional industrial valves.
Fluid control valves are the core actuating components of water purification systems, widely used in residential water filtration, commercial direct‑drinking water applications, industrial reverse osmosis pure‑water production, and various water‑treatment equipment. They perform functions such as media on/off switching, flow regulation, pressure control, backflow prevention, and automatic flushing, directly ensuring effluent water quality, equipment safety, and the overall service life of the system. The working media in these systems typically include tap water, purified water, concentrate, and cleaning agents, which impose stringent requirements on the valves: food‑grade materials, zero leaching, reliable sealing, resistance to water hammer, and corrosion resistance.
Fluid control valves are critical auxiliary components of air compressor units, primarily used in screw‑type and centrifugal compressors as well as in downstream treatment systems. They manage compressed air on/off switching, pressure regulation, pipeline pressure relief, oil–air separation, and backflow prevention, ensuring stable supply pressure, safe equipment start‑up and shutdown, and reduced risk of unit failures. The working media include compressed air, lubricating oil, and condensate, while operating conditions are characterized by pressure fluctuations, temperature variations, and the presence of oil and water. Consequently, these valves must provide reliable sealing, rapid response, and excellent fatigue resistance, making them well suited to the frequent start‑stop cycles typical of compressor applications.
Central air conditioning and HVAC
Fluid control valves are core components of central air-conditioning HVAC water systems, widely used in chilled water, cooling water, and heating hot‑water circulation loops. They perform functions such as pipeline on/off control, flow regulation, hydraulic balancing, pressure protection, and media backflow prevention, directly influencing air-conditioning temperature‑control performance, system energy consumption, and equipment operational safety. Central air-conditioning systems typically operate with ambient‑temperature, low‑pressure water as the working medium, placing stringent demands on valve sealing reliability, low flow resistance, quiet operation, and resistance to water hammer. These valves are extensively deployed in chiller rooms, heat‑exchanger stations, floor‑level piping, and indoor terminal units.
Fluid control valves are critical components of data center cooling systems, primarily deployed in chiller rooms, precision air conditioners, server liquid‑cooling loops, and fire‑water systems. They perform functions such as media on/off switching, flow regulation, hydraulic balancing, pressure protection, and emergency shut‑off, ensuring stable server heat dissipation and preventing equipment downtime due to cooling failures. These valves are subject to stringent requirements for sealing reliability, low flow resistance, leak prevention, and long‑term continuous operation. The working media typically include chilled water, ethylene glycol‑based coolants, and deionized water, with some applications involving fire‑fighting fluids.
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