ZHLS small caliber single-seated control valve belongs to the introduced CV3000 series. It can be used to control various liquids with different pressure drops and temperatures. The valve features streamline S-shape flow passage, low pressure drop loss, large flux, wide adjustment range and high curving accuracy flow characteristics that meets IEC534-2-1976 standard. The control valve is actuated by a compact and powerful diaphragm actuator loaded with multiple springs. The leakage performance of the valve complies with the ANSI B16.104 standard.
Major technical parameters
Nominal diameter: DN20, 25mm 　　 Nominal pressure: PNl.6-6.4MPa
Body material: cast steel, stainless steel, MO2Ti, etc.　Trim material: stainless steel, hard alloy, etc.　　　Valve action: air-to-close or air-to-open.
Accessories: positioner, air filtration reductor, lock valve, position limit switch, motion transmitter, manual operator, etc.

ZHLC small caliber sleeve single-seated control valve belongs to the introduced CV3000 series. It is a high-performance single-seated control valve and suitable for the condition of high liquid differential pressure of above 3MPa. The solid valve plug and sleeve can avoid flash evaporation and Cavitations. The valve features streamline S-shape flow passage, low pressure drop loss, large flux and wide adjustment range.
A compact and powerful diaphragm actuator loaded with multiple springs actuates the control valve。 The leakage performance of the valve complies with the ANSI B16.104 standard.
Major technical parameters
Nominal diameter: DN20, 25mm 　 Nominal pressure: PNl.6-6.4MPa
Body material: cast steel, stainless steel, MO2Ti, etc.　 Trim material: stainless steel, hard alloy, etc. 　　　Valve action: air-to-close or air-to-open.
Accessories: positioner, air filtration reductor, lock valve, position limit switch, motion transmitter, manual operator, etc.

ZHTS single-seated control valve belongs to the introduced CV3000 series. It is a top-guided control valve with compact body. The valve features streamline S-shape flow passage, low pressure drop loss, large flux, wide adjustment range and high curving accuracy flow characteristics that meets IEC534-2-1976 standard. The valve plug is highly vibration-resistant as it is held by a top guide section which, has a large sliding area. The seat leakage performance complies with the ANSI B16.104 standard.
The control valve is actuated by a compact and powerful diaphragm actuator loaded with multiple springs. It can be used to control various liquids with different pressure drops and temperatures.
Major technical parameters
Nominal diameter: DN40-300mm 　　 Nominal pressure: PNl.6-6.4MPa
Body material: cast steel, stainless steel, MO2Ti, etc.　 Trim material: stainless steel, hard alloy, etc. 　　　Valve action: air-to-close or air-to-open.
Accessories: positioner, air filtration reductor, lock valve, position limit switch, motion transmitter, manual operator, etc.

ZHSC sleeve single-seated control valve belongs to the introduced CV3000 series. It is a high-performance single-seated control valve and suitable for the condition of high differential pressure, flash evaporation and Cavitations because it has solid sleeve that can protect the valve body from being destroyed by flash evaporation and Cavitations. With compact structure, the valve features streamline S-shape flow passage, low pressure drop loss, large flux and wide adjustment range.
The valve plug is highly vibration-resistant as it is held by a top guide section，which has a large sliding area. The seat leakage performance complies with the ANSI B16.104 standard. The control valve is actuated by a compact and powerful diaphragm actuator loaded with multiple springs. The valve can be used to control various liquids with different pressure drops and temperatures.
Major technical parameters
Nominal diameter: DN40-300mm　　　Nominal pressure: PNl.6-6.4MPa
Body material: cast steel, stainless steel, MO2Ti, etc.　 Trim material: stainless steel, hard alloy, etc. 　　　Valve action: air-to-close or air-to-open.
Accessories: positioner causing air filtration reductor, lock valve, position limit switch, motion transmitter, manual operator, etc.

ZHCB cage double-seated control valve belongs to the introduced CV3000 series. It is a pressure-balanced control valve　with streamline S-shape flow passage and stabilizer that regulates turbulent flow around the cage. It has advantages of low pressure drop loss, large flux, wide adjustment range, high curving accuracy flow characteristics, dynamic stability, low noise, and low Cavitationss and erosion.
The control valve is actuated by a compact and powerful diaphragm actuator loaded with multiple springs. It can be used to control high- or low-temperature liquid with high differential pressure.

Major technical parameters
Nominal diameter: DN40 - 300mm 　 Nominal pressure: PNl.6-6.4MPa
Body material: cast steel, stainless steel, MO2Ti, etc.　 Trim material: stainless steel, hard alloy, etc. Valve action: air-to-close or air-to-open.
Accessories: positioner, air filtration reductor, lock valve, position limit switch, motion transmitter, manual operator, etc.

ZHCBE cage control valve belongs to the introduced CV3000 series. It is a pressure-balanced control valve with a guiding plug that is actuated to move fast by the pressure of liquid, so it requires low power for operation. Moreover, the sealing type adopts single-seated with high curving accuracy flow characteristics that meets IEC534-1 standard.
With dynamic stability, low noise and low Cavitations, the control valve can be used to control liquid with different temperatures and high differential pressure. The valve is actuated by a compact and powerful HA diaphragm actuator loaded with multiple springs or electric actuator.
Major technical parameters
Nominal diameter: DN40 - 300mm 　 Nominal pressure: PNl.6-6.4MPa
Body material: cast steel, stainless steel, MO2Ti, etc.　 Trim material: stainless steel, hard alloy, etc. Valve action: air-to-close or air-to-open.
Accessories: positioner, air filtration reductor, lock valve, position limit switch, motion transmitter, manual operator, etc.

ZHCN low-noise cage control valve belongs to the introduced CV3000 series. It is mainly designed to reduce acoustic noise of compressible fluids. To adapt diffusion and expansion of gas, the cage has a large number of symmetric small holes for reducing pressure drop. The valve has streamline S-shape flow passage and stabilizer that regulates turbulent flow around the cage, so it has low pressure drop loss, large flux and low noise. The valve plug is in pressure-balanced structure and the control valve is actuated by a compact and powerful diaphragm actuator loaded with multiple springs. Major technical parameters
Nominal diameter: DN40-200mm Nominal pressure: PNl.6-6.4MPa
Body material: cast steel, stainless steel, MO2Ti, etc.　 Trim material: stainless steel, hard alloy, etc. Valve action: air-to-close or air-to-open.　　 Accessories: positioner, air filtration reductor, lock valve, position limit switch, motion transmitter, manual operator, etc.

ZHPS high-pressure single-seated control valve belongs to the introduced CV3000 series. It is a top-guided control valve featuring streamline S-shape flow passage, low pressure drop loss, large flux and wide adjustment range.
The valve plug is highly vibration-resistant as it is held by a top guide section which, has a large sliding area. The control valve is actuated by a compact and powerful diaphragm actuator loaded with multiple springs.
Major technical parameters
Nominal diameter: DN 25-80mm 　　Nominal pressure: ANSI900, 1500, 2500, JIS 63K
Body material: cast steel, 1Cr18Ni9Ti, 0Cr17Ni12Mo2Ti. i Trim material: 9Cr18, 316L and stainless steel with Stellite.
Valve action: air-to-open or air-to-close (Note: the valve can also be actuated by VA5 or VA6 and VP6 actuator.) 　　Accessories: positioner, manual operator, motion transmitter, etc.

ZHPC high-pressure cage control valve belongs to the introduced CV3000 series. It is a pressure-balanced control valve featuring streamline S-shape flow passage, low pressure drop loss, large flux and wide adjustment range. The valve is actuated by a compact and powerful diaphragm actuator loaded with multiple springs. The valve is widely applicable for the condition of high pressure drop where the good dynamic stability, low noise and low Cavitations are required.
Nominal diameter: DN 40-200mm
Nominal pressure: ANSI900, 1500, 2500, JIS 63K
Body material: cast steel, 1Cr18Ni9Ti, 0Cr17Ni12Mo2Ti. Trim material: 8Cr17, 316L and stainless steel with Stellite, 17-4PH
Valve action: air-to-open or air-to-close (Note: the valve can also be actuated by VA5 or VA6 and VP actuator.)
Accessories: positioner, manual operator, motion transmitter,etc.

ZHPN high-pressure low-noise cage control valve belongs to the introduced CV3000 series. It is a pressure-balanced control valve designed to reduce acoustic noise of compressible fluids. To adapt diffusion and expansion of gas, the cage has a large number of symmetric small holes for reducing pressure drop, which can achieve lower noise than ZHPC high-pressure cage valve. With compact body, the valve features streamline S-shape flow passage, low pressure drop loss and large flux. The control valve is actuated by a compact and powerful diaphragm actuator loaded with multiple springs.
Major technical parameters
Nominal diameter: DN 40-200mm 　　Nominal pressure: ANSI900, 1500, 2500, JIS 63K
Body material: ZG25, ZG1Cr18Ni9 and ZG0Cr17Ni12Mo2
1.25Cr0.5Mo, 2.25Cr1.0Mo, 5.0Cr0.5Mo SCPH21, SCPH32, SCPH61
Trim material: 9Cr18, 316L and stainless steel with Stellite.
Valve action: air-to-open or air-to-close (Note: the valve can also be actuated by VA5 or VA6 and VP actuator.)
Accessories: positioner, manual operator, motion transmitter, etc.