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Self operated temperature control valve

  • [valve model]: ZZWP-16B、ZZWP-16K
  • [diameter specification]: DN15~DN150mm
  • [structural form]: Plunger type
  • [valve body material]: Cast steel (WCB), stainless steel (304, 316, 316L)
  • [nominal pressure]: PN1.6、2.5、4.0MPa
  • [applicable temperature]: 0℃-250℃
  • [application scope]: Liquids, gases and vapors and special occasions
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  •  Self operated temperature control valve

Product overview

Zzwp self operated temperature control valve, also known as temperature control valve, is mainly composed of control valve and a thermostat with fixed-point adjustment. It can be automatically adjusted without external energy. It can be divided into heating type and cooling type according to application. It is suitable for temperature regulation of liquid, gas, steam and special occasions, and can also be used to prevent overheating or heat exchange. The valve has the advantages of simple structure, convenient operation, wide temperature range, fast response time and reliable sealing performance. It is widely used in chemical industry, petroleum, heating, air conditioning and domestic hot water.
Features of self operated temperature regulating valve:
 
The self operated temperature regulating valve can work normally without power supply and air source. The automatic regulation is realized by using the principle of liquid thermal expansion and liquid incompressibility, and the control function is proportional regulation. The nominal diameter is 150 mm, and the range of nominal pressure is from 15 ℃ to 250 ℃.

technical parameter

valve body
Nominal diameter DN15、20、25、32、40、50、65、80、100、125、150mm     
Nominal pressure PN1.6、4.0MPa     
Flange standard ANSl, JIS, DIN, GB, JB    
Valve body material Cast steel (zg230-450), cast stainless steel    
Valve core material Hard seal: stainless steel    
Soft seal: stainless steel inlaid rubber ring    
Pressure balance Balance bellows (DN 150-25), stainless steel    
Working principle of self operated temperature regulating valve:  
Self operated temperature control valve uses the principle of incompressibility of temperature sensing liquid to realize automatic temperature regulation. There are heating type and cooling type. When the temperature of controlled medium rises, the control valve is closed (heating type); when the temperature of controlled medium rises, the control valve is opened (cooling type).
Temperature range of self operated temperature regulating valve:
Allowable operating temperature
Nominal diameter   15-150mm 
Sealing type Hard seal ≤150℃ 
Heat sink ≤ 200 ℃
PN16 valve body with heat sink ≤ 300 ℃, PN40 valve body with heat sink ≤ 350 ℃
Soft seal ≤150℃ 
 
Rated flow coefficient, noise measurement coefficient and allowable pressure difference
Nominal diameter DN (mm)   15  20  25  32  40  50  65  80  100  125  150 
Rated flow coefficient kVs   6.3  16  20  32  50  80  125  160  280 
Noise measurement coefficient Z value   0.6  0.6  0.6  0.55  0.55  0.5  0.5  0.45  0.4  0.35  0.3 
Allowable pressure difference (MPA) PN16  1.6  1.5  1.0 
PN40  two
 

Quotation process

Valve price:

Due to the different requirements of order quantity, packaging and delivery mode, as well as the fluctuation of valve raw material price, the valve price will be greatly different. Therefore, the price of our products is not indicated on the website. Please understand.

If you select a valve product on this website, if you need to know the price or ask for relevant technical information, please contact us. We will reply immediately, and according to your requirements, we can select the right valve products for you, so that your purchasing process is easy and pleasant.

Quotation process:

1. Please fax the name (or product model) of the valve you selected, the required order quantity, packing requirements, delivery time, your company name, location and contact information of your company to 021-36311208 Or telephone number: 021-60547555。

2. After receiving the customer's purchase list, our company will provide customers with valve quotation "price list", model selection "valve model" and technical guidance as soon as possible.

3. Specific matters to be agreed: delivery time, special requirements, etc.

Ordering instructions

1、 If the customer has special requirements for the product, the following instructions shall be provided in the order contract:
(1) Valve body material (such as: plastic, cast steel, stainless steel...)
(2) Connection type (e.g. flange, thread, clamp...)
(3) Nominal diameter, pipe size
(4) Ambient temperature and pressure range
(5) Supply voltage, air pressure
(6) Fluid properties (including nominal pressure, temperature, viscosity or acidity or alkalinity)
2、 The company configures all kinds of driving devices according to the special requirements of customers. (electric control, pneumatic control)
3、 If the customer provides the determined valve type and model, the customer shall correctly explain the meaning and requirements of the valve model (for details, refer to the description of valve model preparation), and sign the contract under the condition that both parties understand and agree.
4、 After the customer tells the required valve model, specification, quantity and delivery time and place, 20% of the total amount of deposit or full payment shall be timely remitted to our company's account, and the rest shall be remitted before delivery, so as to arrange delivery in time.
5、 After confirming the purchase, our company carries on the production in strict accordance with the delivery date. According to the different types and quantities of orders, the product processing cycle is generally 3 to 30 days, and the specific delivery time is subject to the contract. In order to ensure that the goods you ordered are in place in time, please order as early as possible.
6、 According to the needs of customers, our company provides network distribution services, delivering goods to the branches (offices) in major cities, and providing door-to-door delivery service. After the product acceptance, our company will provide after-sales service.
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