Electronic stainless steel welding single seat control valve
Product features :
1.Superior structure: constant cross-section low flow resistance channel, high rated flow coefficient
2.Good adjustability: wide adjustable range, equal percentage or linear connection mode for flow characteristics, flange type, (Special: welding type)
3.Good sealing performance: soft seal and bellows seal can be selected to improve the sealing performance. The valve body materials are WCB, SS304, SS316 and SS316L
4.Wide range of applications: various valve seat structure, heat sink, adapt to different differential pressure temperature valve core material SS, SS304, SS316, SS316L, Stellite surfacing
valve body parameters:
| Technical parameters: |
sealing material PTFE, hard seal, special high temperature material |
| Action mode: |
electric open and close bellows SS, SS304, SS316 |
| Adjustable range: |
50:1 |
| Basic error: |
± 2.5% |
| special flange: |
ANSI, JIS, DIN |
| fluid temperature: |
C3 group - 20 ºC - 200 ºC |
| Input signal: |
4 ~ 20mA DC, 0 ~ 10V DC, C4 group - 40 ºC~ 250 ºC |
| Output signal: |
4 ~ 20mA DC, 0 ~ 10V DC, C5 group - 40 ºC~ 450 ºC |
Main technical parameters and performance indexes
| Nominal diameter DN(mm) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
| 10 |
12 |
15 |
20 |
| Rated flow coefficient Kv |
straight line: |
1.8 |
2.8 |
4.4 |
6.9 |
11 |
17.6 |
27.5 |
44 |
69 |
110 |
176 |
275 |
440 |
690 |
| Equal percentage: |
1.6 |
2.5 |
4.0 |
6.3 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
| Rated stroke L(mm) |
16 |
25 |
40 |
60 |
| Allowable leakage: |
single seat |
hard seal:grade IV soft seal: grade VI |
| Sleeve hard seal |
Sleeve hard seal: Grade II soft seal: grade VI |
| Operating ambient temperature |
electric control valve:≤95% |
remarks:
*Flange sealing surface type: PN10 and PN16 are convex, PN40 and pn64 are concave convex, and valve body is concave.
*Structure length: according to GB 1221-89
*Jacket heat carrier interface: butt welding Φ 18 * 4
*Valve flange and flange end face distance can be manufactured according to the standards specified by users. Such as: ANSI, JIS, JPI standards.
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