◆ Main Performance Specifications 

 Test pressure (MPa) 2.5 4.0 6.4 10.0 MPa 
 Shell strength test 3.75 6.0 9.6 15.0 MPa 
 High pressure seal test pressure 2.75 4.4 7.04 11.0 MPa 
 0.5-0.7 low pressure gas seal test 
 Medium C for water, oil, gas, nitric acid R P N acetic acid gas 
 Applicable temperature ≤ 425 ℃ ≤ 100 ℃ -40 - +80 ℃ 



 Structure Length: GBl2221-89 
 Flange standard: JB79-59 

 ◆ The main dimensions and connection dimensions unit: mm 

 Model DN LD D1 D2 b Z-φd D6 H 
 1.6 25 160 115 85 65 16 4-φ14 - 80 
 32 180 135 100 78 16 4-φ18 - 85 
 40 200 145 110 85 16 4-φ18 - 95 
 50 230 160 125 100 16 4-φ18 - 105 
 65 290 180 145 125 18 4-φ18 - 120 
 80 310 195 160 135 20 8-φ18 - 130 
 100 350 215 180 155 20 8-φ18 - 140 
 125 400 245 210 185 22 8-φ18 - 155 
 150 480 280 240 210 24 8-φ23 - 180 
 200 600 335 295 265 26 12-φ23 - 215 
 250 730 405 355 320 32 12-φ25 - 260 
 300 850 460 410 375 34 12-φ25 - 315