A ball valve and plug is the same type of valve, only pieces of it off is a sphere, the sphere around the center line of a rotary valve to achieve open and close a valve. 
 Valve in the pipeline is mainly used to make cut, distribution and change the direction of media flow. Ball is widely used in recent years a new type of valve. 

 Type: Q41F-16P (R) / 25P (R) / 40P (R) / 16P (R) solid ball 

 Specifications range of stainless steel ball valve's performance 



 Model 
 Tpye 
 Nominal 
 PN 
 Test pressure 
 Operating Temperature (℃) 
 Medium 

 Strength (water) Mpa 
 Seal (water) air (Mpa) 
 Low-pressure seal (air) Mpa 

 Q41F-16P (R) 
 1.6 
 2.4 
 1.8 
 0.6 
 ≤ 150 
 Nitric acid 

 Q41F-25P (R) 
 2.5 
 3.8 
 2.8 
 0.6 
 ≤ 150 
 Nitric acid 

 Q41F-40P (R) 
 4.0 
 6.0 
 4.4 
 0.6 
 ≤ 150 
 Nitric acid 




 The main parts stainless steel ball valve Material for main parts 



 Part Name 
 PART NAME 
 Material MATERIAL 

 Q41F-16P-25P-40R 
 Q41F-16R-25P-40R 

 Body 
 BODY 
 Chrome-nickel steel titanium 
 CI NI TI STEEL 
 Cr Ni Mo Ti steel 
 CI NI MO TI STEEL 

 Sphere 
 BALL 

 Stem 
 STEM 

 Ring 
 SEALCIRLE 
 PTFE 
 POLYTER AFUOROETHYENEA 

 Wrench 
 HAND WHEEL 
 Cast 
 CARBON TEEL 




 Stainless steel ball valve connection size and shape of the main dimensions Main connecting and overall dimensions 



 Model 
 TYPE 
 DN 
 DN 
 Dimensions (mm) 

 L 
 D 
 D1 
 D2 
 H 
 bf 
 Z-Φd 
 Do 

 Q41F-16P (R) 
 15 
 130 
 95 
 65 
 45 
 60 
 14-2 
 4-14 
 108 

 20 
 140 
 105 
 75 
 55 
 64 
 14-2 
 4-14 
 120 

 25 
 150 
 115 
 85 
 65 
 90 
 16-2 
 4-14 
 165 

 32 
 165 
 135 
 100 
 78 
 105 
 16-2 
 4-18 
 180 

 40 
 180 
 145 
 110 
 85 
 150 
 16-3 
 4-18 
 240 

 50 
 200 
 160 
 125 
 100 
 190 
 16-3 
 4-18 
 240 

 65 
 220 
 180 
 145 
 120 
 195 
 18-3 
 4-18 
 320 

 80 
 250 
 195 
 160 
 135 
 215 
 20-3 
 8-18 
 350 

 100 
 280 
 215 
 180 
 155 
 250 
 20-3 
 8-18 
 400 

 125 
 320 
 245 
 210 
 185 
 280 
 22-3 
 8-18 
 500 

 150 
 360 
 280 
 240 
 210 
 320 
 24-3 
 8-23 
 600 

 200 
 400 
 335 
 295 
 265 
 370 
 26-3 
 12-23 
 800 

 Q41F-25P (R) 
 40 
 180 
 145 
 110 
 85 
 160 
 16-3 
 4-18 
 240 

 50 
 200 
 160 
 125 
 100 
 205 
 20-3 
 4-18 
 270 

 65 
 220 
 180 
 145 
 120 
 215 
 22-3 
 8-18 
 350 

 80 
 250 
 195 
 160 
 135 
 230 
 22-3 
 8-18 
 400 

 100 
 280 
 230 
 190 
 160 
 270 
 24-3 
 8-23 
 500 

 125 
 320 
 270 
 220 
 188 
 300 
 28-3 
 8-25 
 600 

 150 
 360 
 300 
 250 
 218 
 340 
 30-3 
 8-25 
 900 

 200 
 400 
 360 
 310 
 278 
 400 
 34-3 
 12-25 
 1100 

 Q41F-40P (R) 
 15 
 130 
 95 
 65 
 45 
 60 
 16-2 
 4-14 
 40 

 20 
 140 
 105 
 75 
 55 
 65 
 16-2 
 4-14 
 51 

 25 
 150 
 115 
 85 
 65 
 90 
 18-2 
 4-14 
 58 

 32 
 180 
 135 
 100 
 78 
 105 
 18-3 
 4-18 
 66 

 40 
 200 
 145 
 110 
 85 
 170 
 18-3 
 4-18 
 76 

 50 
 220 
 160 
 125 
 100 
 230 
 20-3 
 4-18 
 88 

 65 
 250 
 180 
 145 
 120 
 250 
 22-3 
 8-18 
 110 

 80 
 280 
 195 
 160 
 135 
 250 
 22-3 
 8-18 
 121 

 100 
 320 
 230 
 190 
 160 
 295 
 24-3 
 8-23 
 150 

 125 
 400 
 270 
 220 
 188 
 330 
 28-3 
 8-25 
 176 

 150 
 400 
 300 
 250 
 218 
 375 
 30-3 
 8-25 
 204 

 200 
 550 
 375 
 320 
 282 
 440 
 38-3 
 12-30 
 260 



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