Product Name: valve plunger 
 Product Type: UJ41H 



 ◆ Performance Specifications 

 , PN 
 1.6 
 2.5 
 4.0 
 6.4 
 10.0 
 MPa 

 Shell test pressure PT 
 2.4 
 3.75 
 6.0 
 9.6 
 15.0 

 High pressure seal test pressure 
 1.76 
 2.75 
 4.4 
 7.04 
 11.0 

 Low pressure gas seal test 
 0.5-0.7 

 For media 
 C 
 Water, oil, steam 
 P 
 Nitric acid 
 P 
 Nitric acid 

 Suitable temperature 
 ≤ 425 ℃ 
 ≤ 200 ℃ 



 U41FSF U41SM US41S UJ41H 

 ◆ The main dimensions and even the size (mm) 


 PN 
 DN 
 L 
 H 
 D 
 D1 
 D2 
 b 
 f 
 z-φd 

 1.6MPa 
 15 
 130 
 128 
 95 
 65 
 45 
 14 
 2 
 4-14 

 20 
 150 
 165 
 105 
 75 
 55 
 16 
 2 
 4-14 

 25 
 160 
 190 
 115 
 85 
 65 
 16 
 2 
 4-14 

 32 
 180 
 216 
 135 
 100 
 78 
 18 
 2 
 4-18 

 40 
 200 
 236 
 245 
 112 
 82 
 18 
 3 
 4-18 

 50 
 230 
 250 
 160 
 125 
 100 
 20 
 3 
 4-18 

 65 
 290 
 255 
 180 
 145 
 125 
 20 
 3 
 4-18 

 80 
 310 
 255 
 195 
 160 
 135 
 22 
 3 
 8-18 

 100 
 350 
 259 
 215 
 180 
 155 
 24 
 3 
 8-18 

 125 
 400 
 352 
 245 
 210 
 185 
 26 
 3 
 8-18 

 150 
 480 
 362 
 280 
 240 
 210 
 28 
 3 
 8-23 

 200 
 600 
 385 
 335 
 295 
 265 
 30 
 3 
 12-23 

 2.5MPa 
 4.0MPa 
 15 
 130 
 133 
 95 
 65 
 45 
 16 
 2 
 4-14 

 20 
 150 
 178 
 105 
 75 
 55 
 16 
 2 
 4-14 

 25 
 160 
 180 
 115 
 85 
 65 
 16 
 2 
 4-14 

 32 
 180 
 195 
 135 
 100 
 78 
 18 
 2 
 4-18 

 40 
 200 
 220 
 145 
 110 
 85 
 18 
 3 
 4-18 

 50 
 230 
 250 
 160 
 125 
 100 
 20 
 3 
 4-18 

 65 
 290 
 272 
 180 
 145 
 120 
 22 
 3 
 8-18 

 80 
 310 
 275 
 195 
 160 
 135 
 22 
 3 
 8-18 

 100 
 350 
 312 
 230 
 190 
 160 
 24 
 3 
 8-23 

 125 
 400 
 365 
 270 
 220 
 188 
 28 
 3 
 8-25 

 150 
 480 
 410 
 300 
 250 
 218 
 30 
 3 
 8-25 

 200 
 600 
 450 
 360/375 
 310/320 
 278/282 
 34/38 
 3 
 12-25/30 

 6.4MPa 
 15 
 170 
 145 
 105 
 75 
 55 
 18 
 2 
 4-14 

 20 
 190 
 195 
 125 
 90 
 68 
 20 
 2 
 4-18 

 25 
 210 
 202 
 135 
 100 
 78 
 22 
 2 
 4-18 

 32 
 230 
 226 
 150 
 110 
 82 
 24 
 2 
 4-23 

 40 
 260 
 239 
 165 
 125 
 95 
 24 
 3 
 4-23 

 50 
 300 
 265 
 175 
 135 
 105 
 26 
 3 
 4-23 

 65 
 340 
 287 
 200 
 160 
 130 
 28 
 3 
 8-23 

 80 
 380 
 301 
 210 
 170 
 140 
 30 
 3 
 8-23 

 100 
 430 
 346 
 250 
 200 
 168 
 32 
 3 
 8-25 

 10.0MPa 
 15 
 170 
 145 
 105 
 75 
 55 
 20 
 2 
 4-14 

 20 
 190 
 195 
 125 
 90 
 68 
 22 
 2 
 4-18 

 25 
 210 
 202 
 135 
 100 
 78 
 24 
 2 
 4-18 

 32 
 230 
 226 
 150 
 110 
 82 
 24 
 2 
 4-23 

 40 
 260 
 239 
 165 
 125 
 95 
 26 
 3 
 4-23 

 5,030,026,519,514,511,228 
 3 
 4-25 

 6,534,028,722,017,013,832 3 8-25 
 8,038,030,123,018,014,834 3 8-25 
 100 
 430 
 346 
 265 
 210 
 172 
 3838