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Small-caliber single-seat control valve
Small-caliber single-seat control valve
Product details
Small caliber regulating valve, HLSregulating valve, HLSSmall caliber single acting regulating valve has a compact structure and is suitable for various applicationsSThe streamlined channel reduces pressure drop loss and increases flow rate. The small caliber single seat regulating valve has a wide adjustable range and high accuracy in flow characteristics, which is in line withIEC534-2-1976Standard.
1HLSOverview of Small Diameter Single Seat Regulating Valve
Small caliber regulating valvecorrectCV3000One of the regulating valve products.HLSThe regulating valve has a compact structure and is flexibleSThe streamlined channel reduces pressure drop loss, increases flow rate, has a wide adjustable range, and high accuracy in flow characteristics, which is in line withIEC534-2-1976Standard.
The leakage of the small-diameter regulating valve meets the requirementsANSI B16.104Standard. Equipped with a multi spring thin film actuator, it has a compact structure and high output force. conform toGB/T4213-92Standard.
IIHLSSmall caliber single seat regulating valve body
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Valve type |
Straight through single seat cast ball valve |
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Nominal Diameter |
20、25mm |
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nominal pressure |
ANSI 125、150、300、600 JIS 10、16、20、30、40K PN1.6、4.0、6.4MPa |
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Connection type |
Sealing surface type |
FF、RF、RJ、LG、MFM |
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Flange standard |
JIS B220、JB/T79、ANSI B16.5-1981、GB/T9113、HG20594-97、HG20618-97class |
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Welding standards |
Embedded weldingSW |
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material |
Cast steelCrMoCorrosion resistant alloys such as steel, cast stainless steel, and Hastelloy |
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Bonnet |
Normal temperature type |
-17~+230℃ |
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extendItype |
-45~-17℃、+230~+566℃ |
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extendIItype |
-100~-45℃ |
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extendIIItype |
-196~-100℃ |
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Cover type |
Bolt compression type |
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Packing |
VType PTFE packing, PTFE impregnated asbestos packing, asbestos braided packing, graphite packing |
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IIIHLSSmall caliber regulating valve internal components
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Valve core form |
Single seat plunger type valve core |
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Traffic characteristics |
Metal seat |
Equal percentage characteristic, linear characteristic |
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soft seat |
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material |
Stainless steel, stainless steel overlay with Stellite alloy, titanium, and corrosion-resistant alloys, etc |
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4HLSSingle seat regulating valve actuator
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Type of actuator |
HAMulti spring thin film actuator |
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Membrane material |
Ethylene propylene rubber clip nylon cloth, butadienejingRubber clip nylon cloth |
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Spring range |
20~100、80~240KPa |
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air supply pressure |
140~400KPa |
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air connection |
RC1/4' |
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ambient temperature |
-30~+70℃ |
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Action form |
Using positive or negative acting actuators to achieve valve gas flow-Guan or Qi-open |
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Can be equipped with accessories |
Positioner, air filter pressure reducer, holding valve, travel switch, valve position transmitter, handwheel mechanism, etc |
5HLSSmall caliber regulating valveCvValue and itinerary
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SPOOL TYPE |
Valve seat and flow characteristics |
rated travel |
0.01 |
0.04 |
0.1 |
0.16 |
0.25 |
0.4 |
0.63 |
1.0 |
1.6 |
2.5 |
4.0 |
6.3 |
10 |
14 |
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Plunger valve core |
Metal seat |
Equal percentage（%） |
14.3mm |
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○ |
△ |
△ |
△ |
△ |
△ |
△ |
△ |
△ |
△ |
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Linear（L） |
○ |
○ |
○ |
○ |
○ |
△ |
△ |
△ |
△ |
△ |
△ |
△ |
△ |
△ |
|||
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soft seat |
Equal percentage（%） |
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|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
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Linear（L） |
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|
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
○ |
|||
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Nominal Diameter |
20 |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
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|
25 |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
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Note:1, symbols○and△Indicate the specification range of the valve.2, symbols△Indicating that the flow characteristics of the valve comply withIEC 534-2Standard.
VIHLSPerformance indicators of small-diameter regulating valve
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leakage rate |
Metal seat |
Less than the rated capacity of the valve0.01%, in accordance withANSI B16.104-1976 IVlevel |
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soft seat |
Less than the rated capacity of the valve10 , in accordance withANSI B16.104-1976 VIlevel |
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|
return difference |
Equipped with locator |
Less than the full journey1% |
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Without locator |
Less than the full journey3%（HA1Type smaller than the full stroke5%） |
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Basic error |
Equipped with locator |
Less than ± of the entire journey1%-7（HA1Type less than ± of the full stroke2%） |
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Without locator |
Less than ± of the entire journey5% |
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— |
Note: Using standardVType PTFE packing |
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Adjustable range |
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50:1（0.25≤Cv≤14）Or30:1（Cv≤0.16） |
7HLSSmall caliber regulating valve allows for differential pressure
Ⅰ. Piston valve core, metal valve seat（%CF、LCF）
A. Qi-Closed valve100KPa
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B. Qi-Open valve
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pour: oneThe maximum allowable pressure difference shall not exceedANSIB16.34perhapsJIS B2201The high work pressure specified by the standard.
2.The numbers above the same grid indicate the allowable pressure difference when the valve is normally open,The number below represents the allowable pressure difference when the valve is fully closed.
3.have*The allowable pressure difference,When the valve controls the liquid,The allowable pressure difference can only be3MPa,exceed3MPatime,Please selectLHLCRegulating valve.
4.The numbers in the gray frame indicate the standard specification actuator for the valve.
Ⅱ. Soft valve seat（%CF、LCF）
A. Qi-Closed valve
|
actuator |
air supply pressure |
Spring range |
positioner |
Allowable pressure difference |
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ratedCvprice |
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≤0.25 |
0.4 |
0.63 |
1.0 |
1.6 |
2.5 |
4.0 |
6.3 |
10 |
14 |
||||
|
LHA1D |
1.4 |
0.2～1.0 |
with or without |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
4.0 |
2.9 |
1.8 |
|
1.6 |
0.2～1.0 |
have |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
19 |
14 |
9.1 |
|
|
4.0 |
0.8～2.4 |
have |
- |
- |
- |
- |
- |
- |
- |
30 |
30 |
27 |
|
|
LHA2D |
1.4 |
0.2～1.0 |
with or without |
20 |
20 |
20 |
20 |
20 |
14 |
14 |
7.6 |
5.7 |
3.5 |
|
1.6 |
0.2～1.0 |
have |
- |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
28 |
17.6 |
|
|
4.0 |
0.8～2.4 |
have |
- |
- |
- |
- |
- |
- |
- |
30 |
30 |
30 |
|
B. Qi-Open valve
|
actuator |
air supply pressure |
Spring range |
positioner |
Allowable pressure difference |
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ratedCvprice |
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≤0.25 |
0.4 |
0.63 |
1.0 |
1.6 |
2.5 |
4.0 |
6.3 |
10 |
14 |
||||
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LHA1R |
1.4 |
0.2～1.0 |
with or without |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
4.0 |
2.9 |
1.8 |
|
4.0 |
0.8～2.4 |
have |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
27 |
20 |
12 |
|
|
LHA2R |
1.4 |
0.2～1.0 |
with or without |
20 |
20 |
20 |
20 |
20 |
14 |
14 |
7.6 |
5.7 |
3.5 |
|
4.0 |
0.8～2.4 |
have |
- |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
24 |
|
pour: oneThe maximum allowable pressure difference shall not exceedANSIB16.34perhapsJIS B2201The high work pressure specified by the standard.
2.The numbers in the black box indicate the standard specification actuator for the valve.
8HLSSmall caliber regulating valve flange distance and external dimensions
flange distance
|
Nominal Diameter |
A |
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|
ANSI 125FF ANSI 150RF JIS 10K Ff,RF PN1.6 |
JIS 16K RF |
ANSI 300RF JIS 20K RF JIS 30K RF PN4.0 |
ANSI 600RF JIS 40K RF PN6.4 |
ANSI 150 RJ |
ANSI 300 RJ |
ANSI 600 RJ |
JIS 20KGroove type embedded type |
JIS 30KGroove type embedded type |
ANSI 300 LG |
ANSI 600 SW、BW |
|
|
20 |
184 |
190 |
194 |
206 |
- |
206 |
206 |
198 |
208 |
203 |
206 |
|
25 |
184 |
193 |
197 |
210 |
197 |
210 |
210 |
198 |
212 |
206 |
210 |
Note: The flange distance complies withIEC534-3Standard.
External dimensions
|
actuator |
H |
φB |
C |
E |
|||
|
Normal temperature typeP |
Extension Type IE1 |
Extension type IIE2I |
Extension type IIE2W |
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|
LHA1D、R |
375 |
525 |
685 |
900 |
218 |
230 |
40 |
|
LHA2D、R |
450 |
600 |
760 |
975 |
267 |
281 |
40 |
Note: The dimensions in column H of the table are for regulating valves without a handwheel mechanism. If a handwheel mechanism is included, the corresponding dimensions of the handwheel mechanism should be added.
Ⅰ. Flange connection
|
Nominal Diameter |
actuator |
ANSI 125、150 JIS 10K |
ANSI 300、600 JIS 16、20、30、40K |
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|
Normal temperature type |
Extension Type I |
Extension type II |
Extension type II |
Normal temperature type |
Extension Type I |
Extension type II |
Extension type II |
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|
20、25 |
LHA1D、R |
16 |
18 |
21 |
26 |
17 |
19 |
22 |
27 |
|
LHA2D、R |
23 |
25 |
28 |
33 |
24 |
26 |
29 |
34 |
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Ⅱ. welded connection
|
Nominal Diameter |
actuator |
Room temperature type（P） |
Extension Type I（E1） |
Extension type II（E2I） |
Extension type II（E2W） |
|
20、25（SW） |
LHA1D、R |
14 |
16 |
19 |
24 |
|
LHA2D、R |
21 |
23 |
26 |
31 |
9HLSOrdering Notice for Small Diameter Single Seat Regulating Valve
1. Name and parameters of small-diameter regulating valve
2. Small caliber regulating valve diameter and pressure
3. Operation mode of small caliber regulating valve
4. Small caliber regulating valve pressure difference (including normal working pressure difference and pressure difference when the valve is closed)
5. Material of small caliber regulating valve body and internal components
6HLSCorrosion resistance and accessories of pneumatic control valve
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