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Certification:CE,TRCU,ISO9001
Single Seat Control Valve with Electric High Differential Pressure Cooling Fin
Electric high differential pressure cooling fin single-seat control valve
YSIQ(D)70 Series of Intelligent High DP Control Valve mainly used for power plant high pressure boiler occasions which feed water need to be regulated, in case cavitation, cavitation erosion happened when valve is on small opening.
Main Parts Materials Table 1
|
Item |
Part Name |
Material |
|||
|
1 |
Body |
WCB |
WC6 |
CF8 |
CF8M |
|
2 |
Seat |
304,316/Partial Stellite |
316/Partial Stellite |
||
|
3 |
Plug |
Metal Sealing |
304,316/Partial Stellite |
316/Partial Stellite |
|
|
Soft Sealing |
304,316+Reinforced Teflon |
316+Reinforced Teflon |
|||
|
4 |
Cage |
304,316 |
316 |
||
|
5 |
Guide Sleeve |
304,316 |
316 |
||
|
6 |
Stem |
304,316 |
316 |
||
|
7 |
Bonnet |
WCB |
WC6 |
CF8 |
CF8M |
*Above is the common materials, the specific grades take the contract as a standard.
Specification &Technical Parameter Table 2
|
Type |
Top Guide(Double Guide)Single Seat |
|
Nominal Diameter |
DN15～DN400(1/2”～16”) |
|
Nominal Pressure |
PN16,25,40,64,100(150lb,300lb,600lb) |
|
Flow Characteristic |
Equal Percentage, Linear, Quick Open(For Shut-Off Valve) |
|
Rangeability |
50:1 |
|
Bonnet Form |
Standard Type:Cast Steel :-20～250℃ Cast Stainless Steel:-40～250℃ |
|
Fin-Extension Type:Cast Steel:-29～425℃ Cast Stainless Steel:-40～450℃ |
|
|
Low-Temp. Type:Cast Stainless Steel:-60～-100℃,-100～-200℃,-200～-250℃ |
|
|
Seat Leakage |
ANSI Ⅳ,V,Ⅵ(Soft Sealing) |
Main Performance Index Table 3
|
No. |
Item |
Standard Type |
Fin-Extension Type, Low-Temp. Type |
|
1 |
Basic Error＜(%) |
±1 |
±2.5 |
|
2 |
Hysteresis＜(%) |
1 |
2.5 |
|
3 |
Dead Band＜(%) |
0.4 |
1 |
|
4 |
Start &End Deviation＜(%) |
±1 |
±2.5 |
|
5 |
Rated Travel Deviation＜(%) |
+2.5 |
+2.5 |
Note: Performance index of this production is higher than GB/T4213-2008.
Flow Characteristic Table 4
|
Seat Diameter DN(mm) |
32 |
40 |
50 |
65 |
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