Nanjing JLHB Environmental Technology Development Co., Ltd.
Main products:Condenser,Air-Cooled Condenser,Water-Cooled Condenser
Contact Us
  • Contact Person : Ms. Cao Sarah
  • Company Name : Nanjing JLHB Environmental Technology Development Co., Ltd.
  • Tel : 86-25-52398560-8004
  • Fax : 86-25-52398506
  • Address : Jiangsu,Nangjing,No.34 Hu Ju Nan Road, Nanjing, Jiangsu,P.R.China
  • Country/Region : China
  • Zip : 210004

Emerson ZZ Thermal Expansion Valve for Ultra Low Temps

Emerson ZZ Thermal Expansion Valve for Ultra Low Temps
Product Detailed
1. Dismountable construction 2. External superheat adjustment 3. Maximum working pressure:31bar

Nanjing JLHB Environmental Technology Development Co., Ltd is specialized in refrigeration equipment production in east China and Jiangsu province. After years of stable management, it now has a great reputation among customers. It has one business hall(located in No.34, Huju South Road, Nanjing, covering about 500 square meters) and two factories(one is located in Yongyang Industrial Park, Lishui, Nanjing with an area of 20000 square meters, mainly manufacturing heat exchangers; another is in No.36, Runqi Road, Jiangning, Nanjing with an area of 4000 square meters, mainly producing refrigeration units). It also has branch companies in Shanghai, Guangzhou, Shenyang, Hefei, Wuhan, Changzhou etc. Our two main products are all authorized the ISO9001:2000 Quality Management System Certificate and we established an Automatic Unit Inspection Station (a national-level experimental center) with Hefei General Machinery Research Institute. 


The ZZ series is designed for ultra low temperature applications such as environmental test chambers and other applications where the desired evaporator temperature is below -40 °C.


1.take-a-part construction for easy field service;

2.external superheat adjustment;

3.interchangeable, replaceable cages, body flanges, power assemblies for maximum flexibility;

4.improved internal construction extends valve life;

5.external equalizer standard;

6.exclusive cage bellows eliminates friction at low temperatures;

7.large diaphragm provides superior stability;

8.maximum working pressure: 450psig(31bar);


Emerson ZZ Thermal Expansion Valve for Ultra Low Temps

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