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SPECIFICATION&TECHNICAL CONDITIONS |
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|
NOMINAL PRESSURE |
PN 16, 25, 40 |
|
FLOW CHARACTESISTIC |
EQUAL PERCENTAGE, LINEAR,QUICK OPEN (For Shut-Off valve) |
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COVER FORM |
Standart Type: Cast Steel: -20ºC … 250ºC Cast Stainless steel: -40ºC … +250ºC |
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Fin-Extension Type: Cast Steel: -29ºC … +425ºC Cast Stainless Steel: -40ºC … +450ºC |
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Long-Extension Type: Cast Steel: -60ºC … -100ºC, -100ºC … -200ºC, -200ºC … -250ºC |
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SEAT SEALING |
Class IV, V, VI (Soft Sealing - With PEEK) |
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TEMPERATURE RANGES IN ºC PERMISSIBLE OPERATING PRESSURES TO PRESSURE-TEMPERATURE DIAGRAMS |
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BODY WITHOUT INSULATING SECTION -10 ºC … +220 ºC |
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BODY |
DN 15…150 EN-GJL-250 |
DN 15…150 EN-GJS-400-18-LT |
DN 15…150 Cast Steel 1.0619 |
DN 15…150 1.4408 |
|
INSULATING SECTION |
-10ºC … +300ºC |
-10ºC … +350ºC |
-10ºC … +400ºC |
-50ºC … +450ºC |
|
BELLOWS SEAL |
-10ºC … +300ºC |
-10ºC … +350ºC |
-10ºC … +400ºC |
-50ºC … +450ºC |
|
NO |
PART NAME |
MATERIAL |
|
1 |
BODY |
EN-GJL-250, GJS-400-18-LT, 1.0619, 1.4408 |
|
2 |
PLUG |
1.4305 ~ PEEK |
|
3 |
SEAT |
1.4305 |
|
4 |
BONNET |
1.0619, 1.4408 |
|
5 |
GUIDE SLEEVE |
1.4104 |
|
6 |
SHAFT |
1.4305 |
|
7 |
COVER |
GJS-400-18-LT/395 |
|
8 |
ISOLATED PART |
1.0619, 1.4408 |
|
9 |
BELLOWS |
1.4571 |
|
10 |
V-PACKING |
PTFE / CARBON |
|
FLOW CHARACTERISTIC |
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SEAT DIAMETER DN (MM) |
DN15 |
DN20 |
DN25 |
DN32 |
DN40 |
DN50 |
DN65 |
DN80 |
DN100 |
DN125 |
DN150 |
DN200 |
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|
RATED Kv |
LINEAR |
4 |
6,3 |
10 |
16 |
25 |
40 |
60 |
80 |
160 |
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EQ % |
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SIZE |
L |
130 |
150 |
160 |
180 |
200 |
230 |
290 |
310 |
350 |
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|
H4 |
476 |
506 |
527 |
685 |
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WEIGHT |
17,3 |
17,8 |
18,4 |
22,3 |
23,1 |
24,8 |
37,1 |
39,8 |
68,7 |
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NST-IOKV1