valve body:
Body form: through two seater casting ball type valve
Nominal diameter:25~300mm
Nominal pressure:PN1.6 4.0 6.4MPa
Connection form:Flange typeJB78-59 JB79-59
Material Science:HT200 ZG230—450 ZG1Cr18Ni9Ti ZG0Cr18Ni12Mo2Ti
Upper valve cover:
Normal temperature type:-20℃~+200℃
Heat dissipation type:-40℃~+450℃
Gland form:Bolt pressing type
Packing: V PTFE packing, flexible graphite, stainless steel bellows。
Valve assembly:
Spool type: double plunger type valve seat guide
Flow characteristics: linear characteristics, such as the percentage of properties or fast opening characteristics
Material Science:1Cr18Ni9Ti 0Cr18Ni12Mo2Ti
Enforcement agencies:
Type: multi spring diaphragm actuator
Diaphragm material: butyl rubber clip reinforced polyester fabric
Spring range:0.02~0. 1、0.04~0.20MPa
Gas supply pressure:0.14 0.16 0.28MPa
Air source connector:M10×1
ambient temperature:-30~+70℃
Valve action type: gas - off type or gas - Open
Attachment: locator, hand wheel mechanism
Performance: (with locator)
Leakage: less than 0.5% of the rated flow coefficient Kv
Basic error:±1.5%
Return difference:1.5%
Dead zone:0.6%
Always point deviation:±1.5%
Adjustable range:30:1
Flow coefficient Kv and stroke, allowable differential pressure:
Nominal diameter(mm) |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
||
Valve seat diameter(mm) |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
discharge coefficientKv |
4 |
6.3 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
Trip(mm) |
16 |
25 |
40 |
60 |
||||||||
Allowable differential pressure(MPa) |
5.8 |
4.9 |
3.8 |
2.9 |
4.0 |
3.3 |
2.6 |
3.6 |
3.0 |
2.3 |
ZJHN pneumatic diaphragm seat regulating valve dimensions:
Nominal diameter |
Enforcement agencies |
H |
ΦA |
H1 |
L |
|||
|
|
Normal temperature type |
Heat dissipation type |
|
|
PN1.6 |
PN4.0 |
PN6.4 |
25 |
ZHA22 |
498 |
648 |
285 |
117 |
185 |
190 |
205 |
32 |
ZHA22 |
501 |
651 |
285 |
120 |
200 |
210 |
220 |
40 |
ZHA22 |
522 |
691 |
285 |
139 |
220 |
230 |
240 |
50 |
ZHA22 |
530 |
699 |
285 |
144 |
250 |
255 |
265 |
65 |
ZHA34 |
645 |
815 |
363 |
188 |
275 |
285 |
295 |
80 |
ZHA34 |
661 |
835 |
363 |
208 |
305 |
310 |
325 |
100 |
ZHA34 |
687 |
887 |
363 |
220 |
350 |
355 |
370 |
125 |
ZHA34 |
1234 |
1444 |
363 |
270 |
410 |
425 |
440 |
150 |
ZHA45 |
1242 |
1492 |
470 |
280 |
450 |
460 |
475 |
200 |
ZHA45 |
1394 |
1654 |
470 |
320 |
550 |
560 |
570 |
Be sure to write clearly consulted or purchase products detailed parameters and quantity.
Address:Shanghai Market Road 3360
Switchboard:021-66516999
Phone Sales:021-51619868 / 021-66518677
Post:200436
E-mail : [email protected]
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