Ball Valve for Steam, Full Bore, Flanged/Welded/Threaded Type


Ball Valve for Steam, Full Bore, Flanged/Welded/Threaded Type

K81 111 416/425/440 WKP 2a     přírubový
K81 121 416/425/440 WKP 2ct   přivařovací
K81 131 416/425/440 WKP 2gt   závitový
 

APPLICATION
Hight-parameter heat distribution and industrial systems of steam, oils and fumes.

TEMPERATURE RANGE
+20°C to +200°C

CONNECTION
- flanges according to CSN EN1092-1 Form B, others according to request
- welding ends according to CSN EN 12 627
- internal pipe thread according to EN ISO 228-1

Positon Describtion Material
1. Ball X5CrNi18-10
2. Seat PTFE+20%C
3. Ring X5CrNo18-10
4. Spring 50CrV4
5. Connector pipe P355N
6. Flange P355N
7. Body P355N
8. Chimney P355N
9. Plug X8CrNiS18-9
10. Lower Ring PTFE+20%C
11. Packing Graphite
12. Upper ring X20Cr13
13. Gland X20Cr13
14. Lever S235JR
15. Screw Steel
Power industry   Oil and gas   Oil refinery and petrochemical industry   Chemical industry   Water service   Food industry   Metalurgy and cooking plants   Other industry  


Chart of main Dimensions

DN PN dk Dz D1 D0 d0 N g f L-2at L-ct L-2gt I H s Kvs Weight
15 16-40 15 95 47 65 14 4 16 2 130 230 102,5 140 70 oválný otvor d1=6,5 / d2=10 9,8 9,8
20 16-40 20 105 47 75 14 4 18 2 150 230 112,5 140 70 oválný otvor d1=6,5 / d2=10 16,2 16,2
25 16-40 25 115 68 85 14 4 18 2 160 230 125 160 85 14 26,9 3,3
32 16-40 32 150 78 100 18 4 18 2 180 260 142,5 160 90 14 47,5 4,8
40 16-40 40 150 88 110 18 4 18 2 200 260 160 200 125 17 99,8 6,0
50 16-40 50 165 102 125 18 4 20 2 230 300 187,5 200 125 17 166,7 8,2
65 16 65 185 122 125 18 8 22 2 270 300 - 280 145 19 282 12,0
65 25 65 185 122 145 18 8 24 2 270 300 - 280 145 19 282 12,0
80 16 80 200 132 160 18 8 22 2 280 300 - 280 150 19 425 15,5
80 25 80 200 132 160 18 8 26 2 280 300 - 280 150 19 425 15,5
100 16 100 235 158 190 22 8 22 2 300 325 - 280 170 19 730 22,3
100 25 100 235 158 190 22 8 26 2 300 325 - 280 170 19 730 22,3
125 16 125 250 184 210 22 8 24 2 325 350 - 400 180 25 1085 34,5
125 25 125 250 184 220 22 8 28 2 325 350 - 400 180 25 1085 34,5
150 16 150 285 212 240 22 8 24 2 350 350 - 600 210 25 1900 42,0
150 25 150 285 212 250 22 8 30 2 350 350 - 600 210 25 1900 42,0
200 16 200 340 285 295 24 12 26 2 400 400 - 900 260 27 2890 72,5
200 25 200 360 285 310 24 12 32 2 400 400 - 900 260 27 2890 72,5

Valve temperature working range at max. pressure

Scope of the operation: A+B= DN 15,20,25,32,40,50 B = DN 65,80,100,125,150,200