SKU: Closed spring loaded low lift high-pressure safety valve (A41H) 

 Description: 

 NO. 
 Name of part 
 A41Y-160 
 A41Y-320 Materials 
 A41Y-160P A41Y-320P Materials 
 A41Y-160R A41Y-320R Materials 

 1 
 Flange 
 35/35CrMoA 
 2Cr13 
 1Cr18Ni9Ti 

 2 
 Nozzle 
 2Cr13 
 1Cr18Ni9Ti 
 1Cr18Ni12Mo2Ti 

 3 
 Body 
 35/40 
 1Cr18Ni9Ti 
 1Cr18Ni12Mo2Ti 

 4 
 Disc 
 2Cr13 
 1Cr18Ni9Ti 
 1Cr18Ni12Mo2Ti 

 5 
 Guide sleeve 
 2Cr13 
 1Cr18Ni9Ti 
 1Cr18Ni12Mo2Ti 

 6 
 Spring 
 50CrVA 
 50CrVACoated Teflon 
 50CrVACoated Teflon 

 7 
 Stem 
 2Cr13 
 1Cr18Ni9Ti 
 1Cr18Ni12Mo2Ti 

 8 
 Bonnet 
 ZG230-450 
 1Cr18Ni9Ti 
 1Cr18Ni9Ti 

 9 
 Adjusting bolt 
 45 
 2Cr13 
 2Cr13 

 10 
 Cap 
 ZG200-400 
 1Cr18Ni9Ti 
 1Cr18Ni9Ti 


 Seali ngs urfaceo f seat andd isc 

 CoDepositing stellite 




 Type 
 (DN) 
 do 
 d 
 M 
 D 
 K 
 Z-d 
 b 
 d1 
 M1 
 D1 
 k1 
 Z1-d1 
 b1 
 L 
 L1 
 H 

 A41Y-160 
 ( 
 15 
 8 
 20 
 M24 2 
 95 
 60 
 3-18 
 20 
 / 
 M33 2 
 36 
 / 
 / 
 / 
 50 
 80 
 85 

 20 
 10 
 25 
 M27 2 
 95 
 60 
 3-18 
 20 
 / 
 M33 2 
 48 
 / 
 / 
 / 
 50 
 80 
 85 

 25 
 12 
 28 
 M33 2 
 105 
 68 
 3-18 
 20 
 / 
 M33 2 
 48 
 / 
 / 
 / 
 50 
 80 
 85 

 A41Y-160 
 10 
 8 
 18 
 M24 2 
 95 
 60 
 3-18 
 20 
 29 
 M42 2 
 115 
 80 
 4-18 
 22 
 95 
 100 
 261 

 15 
 8 
 20 
 M24 2 
 95 
 60 
 3-18 
 20 
 29 
 M42 2 
 115 
 80 
 4-18 
 22 
 95 
 100 
 261 

 20 
 10 
 27 
 M33 2 
 105 
 68 
 3-18 
 20 
 29 
 M42 2 
 115 
 80 
 4-18 
 22 
 95 
 100 
 261 

 25 
 12 
 28 
 M33 2 
 105 
 68 
 3-18 
 20 
 50 
 M64 3 
 165 
 115 
 6-26 
 32 
 130 
 135 
 285 

 32 
 12.14.16 
 37 
 M42 2 
 115 
 80 
 4-18 
 22 
 50 
 M64 3 
 165 
 115 
 6-26 
 32 
 130 
 135 
 285 

 40 
 20 
 47 
 M52 2 
 165 
 115 
 6-26 
 28 
 65 
 M80 3 
 200 
 145 
 6-29 
 40 
 165 
 165 
 350 

 50 
 25 
 58 
 M64 3 
 165 
 115 
 6-26 
 32 
 80 
 M100 3 
 225 
 170 
 6-33 
 80 
 165 
 165 
 380 

 A41Y-320 
 10 
 8 
 18 
 M24 2 
 95 
 60 
 3-18 
 20 
 29 
 M42 2 
 115 
 80 
 4-18 
 22 
 95 
 100 
 261 

 15 
 8 
 27 
 M33 2 
 105 
 68 
 3-18 
 20 
 29 
 M42 2 
 115 
 80 
 4-18 
 22 
 95 
 100 
 261 

 20 
 10 
 30 
 M36 2 
 110 
 75 
 3-18 
 20 
 29 
 M42 2 
 115 
 80 
 4-18 
 22 
 95 
 100 
 261 

 25 
 12 
 35 
 M42 2 
 115 
 80 
 4-18 
 22 
 50 
 M64 3 
 165 
 115 
 6-26 
 32 
 130 
 135 
 285 

 32 
 12.14.16 
 41 
 M48 2 
 135 
 95 
 4-22 
 25 
 50 
 M64 3 
 165 
 115 
 6-26 
 32 
 130 
 135 
 285 

 40 
 20 
 58 
 M64 3 
 165 
 115 
 6-26 
 32 
 65 
 M80 3 
 200 
 145 
 6-29 
 40 
 165 
 115 
 350 

 50 
 25 
 70 
 M80 3 
 200 
 145 
 6-29 
 40 
 80 
 M100 3 
 225 
 170 
 6-33 
 50 
 165 
 165 
 380 







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