Buried plate valve 
 Product Overview 
 The valve used for underground pipeline to transport and cut off media. Also can be equipped with hand wheel flange and the ground station and the post for long pipeline. Valves can be buried in the ground, just above the valve to build a valve chamber, to the ground operation and maintenance; structure is compact, taking up less space, easy to position in space restricted areas to install the valve sealing performance, and flow resistance coefficient is small, rust-proof ability, body cavity in the media channel is always separated, no impurities dirt accumulation; with opening instructions institutions; can be mounted relief valve; can be mounted hand wheel; are gear and electric actuators. This valve is a city gas, natural gas, oil, gas, water and other underground ideal complementary product lines. 



 Model example 



 Performance Specifications 






 Test: Press GB/T13927-92 (AP1598) 
 Mainly for media 

 Nominal 

 Room temperature, test pressure (MPa) 
 Operating temperature MZ67F 
 MZ467F 
 MZ967F 
 So KMZ67F 
 KMZ467F 
 KMZ967F 
 Etc. 
 Shell gas seal liquid seal pressure test -29-120 ℃ 
 Or by user 
 Requirements of ≤ 300 ℃ 







 Non-corrosive gas 
 Gas, LPG, oil 
 Finished 
 Oil, water, etc. 






 With H2O, CO2, 
 Natural gas and pH, salt, media, etc. 






 1.0 
 0.6, or according to user requirements by working pressure 




 1.1 1.5 
 1.6 1.76 2.4 
 2.5 2.75 3.75 
 4.0 4.4 6 
 6.4 7.04 9.6 
 101,115 
 16 17.6 24 


 Nominal Diameter DN50-700mm 
 The main criteria used 



 JB/T5298 Pipeline steel plate gate valve flange and the general GB/T12234 steel gate valves 
 GB/T12221 GB/T13927 common valve flange pressure test 
 GB/T12224 general requirements for steel valve steel pipe flanges JB/T79 


 Note: According to the standard design and manufacture of user requirements 

 Major parts material 



 Part Name Material 
 Valve, cast steel gate blocks 
 Gate, the seat welded steel or carbide nitride 
 Stem 2Cr13 
 Seals PTFE, F370, 5080 
 Note: The user can select the appropriate materials required