ZWT Self operated temperature regulating valveDetailed product description：

ZWT self operated temperature regulating valve consists of a control valve and a temperature controller. It is divided into heating type and cooling type according to its purpose.
Suitable for temperature control of non corrosive liquids, gases, and vapors in various cooling systems. When the temperature of the controlled medium increases, the control valve closes (heating type); When the temperature of the controlled medium increases, the control valve opens (cooling type).

Key Features:
1. No need for external energy, effectively saving energy
2. High control accuracy, stable operation, safe and reliable
3. Temperature sensing liquid expands uniformly, with proportional adjustment control
4. The temperature setting operation is simple and easy to adjust
5. Small size, light weight, easy installation“

Technical parameters and performance valve body

Measuring diameter DN

twenty

twenty-five

thirty-two

forty

fifty

sixty-five

eighty

one hundred

one hundred and twenty-five

one hundred and fifty

two hundred

two hundred and fifty

Kv value (m3/h)

three point four

five point five

eleven

fifteen

nineteen

thirty-one

fifty-two

seventy-eight

one hundred and twenty-two

one hundred and ninety

three hundred

four hundred and fifty

Nominal Pressure

PN1.6、2.5MPa

Flange Standard

JB/T79.1-94、 79.2-94, etc

Valve body material

Cast iron (HT200), cast steel (ZG230-450), cast stainless steel (ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti)

Valve core material

Stainless steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti)

Warm pack material

Copper nickel plating, etc

Set value deviation

±2℃

Temperature control range

ZWT self operated temperature regulating valve