Air to Open Low Noise Control Valve
ZXPII/ZXMII series Pneumatic low noise control valve is a top entry globe type control valve, which ismanufactured under ISO 9001 quality assurance system. The valve is mainly designed to reduce the noise with compressible value. There are many small balanced holes of gas throttle.The body...
ZXPII/ZXMII series low noise cage type control valves are featured with very low operating noise (aerodynamic noise) when they are used to handle compressive fluids, such as steam, air fuel, gas, ethylene gas, etc. The cage and valve plug are of multiple hole construction. The components "restriction", "divergence", "expansion" are laid out in a rational manner to accomplish low noise pressure reducing action. Valve plug is designed to produce no torque vibration. Valve plug is held directly inside the cage to resist vibration and wear. The modular concept in design and construction allows component interchangeability with those of the VDC cage valves. Thus, valves can be disassembled and reassembled resulting in quick maintenance, and minimising down time.
Specification and technical parameter
Valve seat diameter Gg(mm)
Rated flow coefficient Kv
Rated Stroke L(mm)
Diaphragm Effective Area(cm²）
Spring Range Pr(Kpa)
Gas source pressure(Mpa)
Inherent flow Characteristics
Inherent rangeability R
Metal valve plug:III Class、IV Class; Soft Valve plug:VI Class
Nominal Pressure PN(MPa)
Upper bonnet form
The cooling type
Regulating cut off type
-40~150(Valve plug with PTFE) -60~200(Valve plug with reinforce PTFE)
Type: HA Multi-Spring Diaphragm Type Pneumatic Actuator
Spring Range: 0.02~0.10, 0.08~0.24MPA
Air Supply Pressure: 0.14, 0.16, 0.28, 0.40 MPa
Air Connection: Rc1/4
Ambient Temperature: -30~70 Deg C
Valve Action Type: Air to Open or Air to Close
Leakage Rate: ANSI B16.104 Class IV ( < 0.01% Rated Cv)
Return differential: 3% ( Without Positioner), 1% ( With Positioner)
Linear: ±5% ( Without Positioner), ±1% ( With Positioner)
Packing: Standard PTFE Packing
Adjustable Range: 50:1
Over 10 Years’ Experience
Hoyee is an over 13-year solution provider for fluid industry. With an extended range of products and our expertise, we offer a wide range of fluid control solutions. Not only do we have standard products, but also we have custom-designed and custom-made products to suit your needs from OEM items to special applications for projects.
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Packing Details: Wooden box and plywood case, standard export packing.
In addition that we can design and pack as your request.
Delivery Details : Shipped in 5-15 days after payment.