HTSW Bellows control valve
HTSW bellows sealed single-seat control valve belongs to CV3000 series control valve products.
The spool adopts an up-directed single-seat plunger type structure and the upper valve cover adopts a bellows sealed structure to prevent the media in the pipeline from leaking out from the stem and packing seal. Bellows are made of high quality stainless steel, corrosion-proof and long service life. The packing will be aging and wear phenomenon with the use of time, and the bellows formed a double seal, reliability greatly improved. The valve body flow channel is S-shaped, small flow resistance, large flow. Especially suitable for strong corrosive, toxic, radioactive media. Assembled with ZHA multi-spring film actuator, compact structure, large output force.
Product Features
1,Single seat plunger type spool, small leakage, small allowable pressure difference.
2,The control mechanism can be equipped with a straight stroke electric actuator to form a single seat electric bellows seal control valve.
3,Bellows and packing double seal, effectively prevent media leakage.
Main technical parameters
|
Nominal diameters |
40 |
50 |
65 |
80 |
100 |
150 |
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Valve seat diameters |
25 |
32 |
40 |
32 |
40 |
50 |
40 |
50 |
65 |
50 |
65 |
80 |
65 |
80 |
100 |
100 |
125 |
150 |
|
High precision valve core |
10 |
14 |
24 |
17 |
24 |
44 |
24 |
44 |
68 |
44 |
68 |
69 |
68 |
99 |
175 |
175 |
275 |
360 |
|
High capacity valve spool |
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|
30 |
|
|
50 |
|
|
85 |
|
|
125 |
|
|
200 |
|
|
420 |
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Quick opening valve core |
|
|
35 |
|
|
55 |
|
|
95 |
|
|
135 |
|
|
220 |
|
|
460 |
|
Nominal pressure Mpa |
1.6， 2.5， 4.0， 6.4 |
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Route mm |
25 |
38 |
50 |
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Route,quick opening mm |
10 |
13 |
19 |
25 |
30 |
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Discharge characteristic |
Straight , equal percentage
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Working temperature |
Normal temperature（-40～230℃），Medium temperature（-40～450℃），High temperature（-40～550℃），Low temperature（-40～-196℃） |
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Flange standards |
JB79，HG20592，GB，ANSI，JIS，DIN |
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Adjustable |
50:1 |
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Disclosure class |
Metal hard seal class Ⅳ, PTFE soft seal class Ⅵ
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Main technical parameters
|
Model |
HA1D（R） |
HA2D（R） |
HA3D（R） |
HA4D（R） |
|
Active area cm2 |
160 |
310 |
550 |
950 |
|
Route mm |
14.3,25 |
14.3,25,38 |
14.3,25,38,40,50 |
14.3,25,38,40,50,60,75 |
|
Spring range Kpa |
20-100, 40-200, 80-240, 20-60, 60-100 |
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Bleed pressure Kpa |
0.1-0.4 |
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Air supply connection |
RC1/4 |
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Main parts material
|
Name |
Materials |
|
Valve body,deck |
WCB，CF8（304），CF8M（316） |
|
Valve spool, valve rod, valve seat |
304,316,304 surfacing alloy |
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Padding |
PTFE，Flexible graphite |
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Sealing gasket |
Graphite winding pad, toothed pad
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Membrane cover |
A3 |
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Mebrane |
Epdm rubber with nylon fabric
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Spring |
60Si2Mn |
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Push rod |
2Cr13 |
Performance index
|
Project |
Index value |
Project |
Index value |
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Basic error % |
No positioner |
±5.0 |
origin-destination deviation % |
Off |
No positioner |
Origin |
±5.0 |
|
With positioner |
±1.0 |
Destination |
±2.5 |
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Gear backlash % |
No positioner |
≤3.0 |
With positioner |
Origin |
±1.0 |
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With positioner |
≤1.0 |
Destination |
±1.0 |
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Dead zone |
No positioner |
≤3.0 |
On |
No positioner |
Origin |
±2.5 |
|
|
With positioner |
≤0.4 |
Destination |
±5.0 |
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Deviation of rated stroke % |
±2.5 |
With positioner |
Origin |
±1.0 |
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Destination |
±1.0 |
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Allowable leakage rate L/H |
1×10-3 Rated valve capacity |
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Allow differential pressure Mpa
|
Switching mode |
Executing agency |
Spring range Kpa |
Bleed pressure Kpa |
Positioner |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
|
Off |
HA2D |
20-100 |
140 |
Yesor no |
0.31 |
0.19 |
0.13 |
0.08 |
0.05 |
0.03 |
0.02 |
|
|
|
|
20-100 |
160 |
Yes |
1.58 |
0.96 |
0.68 |
0.39 |
0.25 |
0.17 |
0.10 |
|
|
|
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80-240 |
400 |
Yes |
2.0 |
2.0 |
2.0 |
1.08 |
0.74 |
0.52 |
0.29 |
|
|
|
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|
4.7 |
2.8 |
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HA3D |
20-100 |
140 |
Yes or no |
0.56 |
0.34 |
0.24 |
0.14 |
0.08 |
0.06 |
0.03 |
0.02 |
0.01 |
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|
20-100 |
160 |
Yes |
2.0 |
1.71 |
1.21 |
0.07 |
0.44 |
0.31 |
0.17 |
0.11 |
0.07 |
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|
2.8 |
|
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80-240 |
400 |
Yes |
2.0 |
2.0 |
2.0 |
2.0 |
1.32 |
0.98 |
0.52 |
0.33 |
0.20 |
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5.0 |
5.0 |
3.6 |
2.1 |
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HA4D |
20-100 |
140 |
Yes or no |
|
|
0.41 |
0.24 |
0.15 |
1.11 |
0.06 |
0.03 |
0.02 |
0.01 |
|
|
20-100 |
160 |
Yes |
|
|
2.0 |
1.21 |
0.76 |
0.53 |
0.3 |
0.19 |
0.12 |
0.07 |
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80-240 |
400 |
Yes |
|
|
2.0 |
2.0 |
2.0 |
1.61 |
0.91 |
0.58 |
0.35 |
0.22 |
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5.0 |
3.6 |
2.25 |
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On |
HA2R |
20-100 |
140 |
Yes or no |
0.31 |
.019 |
0.13 |
0.08 |
0.05 |
0.03 |
0.02 |
|
|
|
|
80-240 |
280 |
Yes |
2.0 |
1.35 |
0.7 |
0.55 |
0.34 |
0.24 |
0.14 |
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|
2.2 |
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HA3R |
20-100 |
140 |
Yes or no |
0.56 |
0.34 |
0.24 |
0.14 |
0.08 |
0.06 |
0.03 |
0.02 |
0.01 |
|
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|
80-240 |
280 |
Yes |
2.0 |
2.0 |
1.7 |
0.98 |
0.61 |
0.43 |
0.24 |
0.15 |
0.09 |
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|
3.9 |
2.3 |
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HA4R |
20-100 |
140 |
Yes or no |
|
|
0.29 |
0.17 |
0.10 |
0.07 |
0.04 |
0.02 |
0.01 |
0.01 |
|
|
80-240 |
400 |
Yes |
|
|
2.0 |
1.57 |
1.01 |
0.75 |
0.42 |
0.27 |
0.160 |
0.10 |
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