Special Temperature Control Valve, Regulating Valve, Pressure Control Valve for Heat Exchange Station

Product Description

Electric control regulating valves are widely used in building automatic control systems such as urban heating, cooling, gas supply, air conditioning, etc. They are also suitable for production process automatic control systems in industries such as chemical, petroleum, metallurgy, power, and food.
Shandong Xinao independently develops and produces electric two-way/three-way control valves and electric temperature control valves. The control unit can use Siemens original control units, combined with Xinao's pressure self balancing valve body, which has the characteristics of precise control, large shut-off force, self balancing anti lock braking, etc. It can also fully adopt Xinao's high-quality control valves. And it can be flexibly adjusted according to the different on-site system equipment to achieve precise matching with the system, eliminate static errors, run smoothly, respond sensitively, and extend the service life.
It can be equipped with a new on-site independent controller with PID regulation function, precise control, multi loop control, diverse functions, and can achieve control of fluid flow rate, pressure, pressure difference, temperature, humidity, enthalpy value, and air quality.
The actuator has electric mechanical and electric hydraulic types, with manual and automatic adjustment functions, sensitive adjustment, large shut-off force, and adjustable flow characteristics (linear percentage). The electric actuator is equipped with a power-off automatic reset protection function. In the event of a sudden power outage in the system, the valve can automatically close (or fully open) and receive signals of 0-10V or 4-20mA, with valve position feedback function.
The valve seat is suitable for regulating chilled water, low-pressure hot water, domestic hot water, high-pressure hot water, seawater, hot oil, and steam in circulation pipelines. It has good linearity, large adjustability, tight sealing, high temperature resistance, and anti cavitation.
Product Features
The control unit has proportional integral (PI) or proportional integral derivative (PID) adjustment functions, ensuring stable and accurate control.
a, Flexible adjustment of control parameters can be made for different on-site working conditions to achieve system optimization.
b, The controller can read the current temperature value and observe the working status of the valve.
c, Expandable functions, such as remote settings, temperature compensation, over temperature alarm, day night/winter summer conversion.
d, The valve body seal adopts a V-shaped high-temperature sealing component to prevent the possibility of valve stem locking or leakage.
e, The valve stem or seat is paired and ground to ensure that the leakage is far below the national allowable standard, and zero leakage can be achieved under special working conditions.
Explanation of valve seat parameters for two-way/three-way valves;
Belonging to a straight stroke regulating or closing valve (high-temperature valve seat requires installation of radiator/low-temperature valve stem heater)
AVF41/XF41. series PN16/220 ºC, valve body material; Ball iron QT45
AVF52/XF52. series PN16/25/350 ºC, valve body material; Cast steel WCB
AVF40/XF40. series PN16/180 ºC, valve body material; Casting HT250
AVF61/XF61. series PN16/25/350 ºC, valve body material; three hundred and four
AVF81/XF81. series PN16/25/350 ºC, valve body material; three hundred and sixteen
• Caliber; DN15-400
Flange connection GBT/9113-2010
functional check

valve	Direct A → AB	Bypass B → AB
Valve stem extended	close	open
Hair stem indentation	open	open

Maintenance
Valves do not require maintenance. When performing valve or actuator repairs:
1. Stop the water pump and cut off the power supply to the water pump.
2. Close the shut-off valve.
3. Completely release the pressure in the pipeline and allow the pipeline to cool completely. If necessary, disconnect the power supply wiring.
Guarantee
The specific application technical data is only applicable to the use of Shandong Xinao products listed in the "Equipment Combination". If third-party products are used, the terms guaranteed by our company will become invalid.
technical data

Function Parameter
Pressure level	PN16/25/40/60
Maximum temperature resistance	180ºC 220ºC 350ºC
Working pressure	Maximum not exceeding 0.8Mpa. If it has exceeded the limit, a high torque actuator can be selected
operation temperature	If the temperature is too high, a valve radiator needs to be installed
ambient temperature	-10-+55ºC
Connection method	The national standard flange connection GBT/9113 (customizable) and threaded connection are only applicable to stainless steel valve seats
leakage	Direct connection: 0... 0.02% zero leakage of kvs value
Allow media	Cooling water, high-temperature water, compressed air, steam, thermal oil, etc
Material Science
valve body	Cast iron HT250 sphere QT45 cast steel WCB	Stainless steel material can be customized according to user requirements 304/316
blind plate	Same as valve body
valve stem	stainless steel304/316
valve seat	stainless steel304/316
valve core	stainless steel304/316
Valve stem tightness	Polyethylene tetrafluoroethylene/carbon fiber
rated travel	DN25-DN100 20mm DN100-DN200 40mm DN200-DN350 40/60mm

Thank you for gaining a deeper understanding of our company and our products.
If you have any questions during use, no matter how small, you can contact us,
Our company promises:
We highly value your feedback on quality information and will provide a response to all quality feedback;
We provide customers with telephone guidance for installation, debugging, and training of buyer's technical personnel.
During the warranty period, except for human damage and force majeure factors, if the equipment itself has quality problems, we promise to provide maintenance services.
Our company provides long-term technical support. If the seller needs on-site service outside the warranty period, only the cost fee will be charged.
Our company has sufficient supply of vulnerable parts, and if the buyer requests to order spare parts, our company can provide them in a timely manner.
Thank you again! If you have any questions or product related matters, please let us know by email and we will restore them as soon as possible.
Shandong Xinao Self Control Technology Co., Ltd. welcomes you to come to China for tourism and on-site inspections at any time
Contact address; No. 44, Gongye South Road, High tech Zone, Jinan City, Shandong Province

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