Cage type two-seat regulating valve
Description:
A brief introduction:
HCB seriesCage type valve seatAn improved pressure balanced valve sealing ring, the valve sleeve is equipped with high-performance, effectively improve the level of leakage, valve fluid channel was streamlined S, also has an improvement in the steady flow of fluid around the sleeve guide wing, has the advantages of small pressure drop loss, large flow rate, wide adjustable range the flow characteristic curve, high precision, good dynamic stability, low noise, small cavitation corrosion.The valve is equipped with multi spring diaphragm actuator, compact structure, large output force.
Two,Cage type valve seatTechnical parameters and performance:
valve body
Type: straight single casting ball valve
Nominal diameter: 40, 50, 65, 80100mm
Nominal pressure: ANSI 125, 150, 300, 600
JIS 10, 16, 20, 30, 40K
PNl.6, 4, 6.4MPa
Connection type: flange type: FF, RF, RJ, LG
According to standard of JIS ANSI B16.5
JB/T79.1 PNl.6MPa, JB/T79.2 convex concave surface
Welding weld type: SW (40 ~ 50mm)
Butt welding: BW (65 ~ 100mm)
Material: HT200 ZG25 ZGlCr18Ni9
ZG0Cr17Ni12Mo2 1.25Cr0.5Mo
5.0Cr0.5MoSCPH21SCPH61
Valve cover: normal temperature type (P): -17 ~ +230 C
High temperature: +230 ~ +300 C
Gland type: bolt clamp
Packing: V PTFE impregnated with PTFE.
Vinyl asbestos packing, asbestos braid packing.
Valve components:
Spool type: pressure balance valve
Flow characteristics: high precision flow characteristics
The metal seat features such as the percentage (%) and linear (L)
High volume flow characteristics
The metal seat features such as the percentage (%) and linear (L)
Scope of work: the starry Knight working temperature and pressure welding
Materials: -17-4PH, 0Cr17Ni12Mo2) and division Chatterley surfacing welding
Actuator:
Type: HA multi spring diaphragm actuator
Diaphragm material: rubber nylon clip
Spring range: 0.02 ~ 0.10, 0.08 ~ 0.24MPa
Air pressure: 0.14, 0.16, 0.28, 0.40MPa
Joint source: Rc 1/4
Ambient temperature: -30 ~ +70 C
Valve type: gas - gas - open or closed
Annex: locator, hand wheel, valve position transmitter
performance
Leakage: Standard ANSI B16.104IV,
Less than the rated Cv 0.01%
Return difference: 1% (with a locator)
Linear: + 1% (with a locator)
Note: V PTFE standard
Adjustable range: 50: 1
Three,Cage type valve seatSpecifications and technical parameters:
Nominal diameter mm | Twenty | Twenty-five | Forty | Fifty | Sixty-five | Eighty | One hundred | One hundred and fifty | Two hundred | Two hundred and fifty | Three hundred | Three hundred and fifty | Four hundred |
The seat diameter of MM | Ten | Twelve | Fifteen | Twenty | Twenty-five | Thirty-two | Forty | Fifty | Sixty-five | Eighty | One hundred | One hundred and twenty-five | One hundred and fifty | Two hundred | Two hundred and fifty | Three hundred | With the company Arrange production |
Rated flow The coefficient of Kv | straight line | One point eight | Two point eight | Four point four | Six point nine | Eleven | Seventeen point six | Twenty-seven point five | Forty-four | Sixty-nine | One hundred and ten | One hundred and seventy-six | Two hundred and seventy-five | Four hundred and forty | Six hundred and ninety | One thousand | One thousand and six hundred |
The percentage of | One point six | Two point five | Four | Six point three | Ten | Sixteen | Twenty-five | Forty | Sixty-three | One hundred | One hundred and sixty | Two hundred and fifty | Four hundred | Six hundred and thirty | Nine hundred | One thousand four hundred and forty |
Nominal pressure MPa | 0.6 1.6 4 6.4 |
Travel mm | Ten | Sixteen | Twenty-five | Forty | Sixty | One hundred |
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Flow characteristics | Linear, equal percentage, quick opening |
Medium temperature | -15 ~ 200 (Chang Wenxing), -40 ~ +250, -40 ~ +450 (medium temperature), -100 ~ +200 (low temperature) |
Flange size | Cast iron flange size by JB78, cast steel flange size by JB79 |
Flange form | With JB78-59, JB79-59, JB/79.1-94, JB/79.2-94, according to ANSI, JIS, DIN and other standard production orders |
body material | PN (MPa) | 0.6,1.6 | WCB (ZG230-450) CF3CF8 CF8M |
4.0,6.4 | WCB (ZG230-450), ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti CF8 CF8M |
The valve type | Through single seat casting ball valve |
Valve material | 1Cr18Ni9, 0Cr18Ni12Mo2Ti CF8 CF8M |
The valve cover form | Ordinary type (Chang Wenxing), hot chip (medium temperature) and low temperature type |
Can be equipped with accessories | The hand wheel locator electric / gas converter air filter regulator |
Adjustable ratio R | 30:1 |
Joint source | M16 * 1.5 |
Four, cage seat control valve actuator main technical parameters:
Model | ZHA (B) -1 | ZHA (B) -2 | ZHA (B) -3 | ZHA (B) -4 | ZHA (B) -5 | ZHA (B) -6 |
The effective area of cm2 | Two hundred | Two hundred and eighty | Four hundred | Six hundred and thirty | One thousand | One thousand and six hundred |
Travel mm | Ten | Sixteen | Twenty-five | Forty | Sixty | One thousand |
Spring range KPa | 20 ~ 100 (standard); 40 ~ 200 ~ 240 ~ 20; 80; 60; 60 ~ 100 |
Fifth, allowing the pressure:
Air pressure MPa | Spring pressure KPa | Nominal diameter | Twenty | Twenty | Twenty | Twenty | Twenty-five | Thirty-two | Forty | Fifty | Sixty-five | Eighty | One hundred | One hundred and twenty-five | One hundred and fifty | Two hundred | Two hundred and fifty | Three hundred |
The seat diameter | Ten | Twelve | Fifteen | Twenty | Twenty-five | Thirty-two | Forty | Fifty | Sixty-five | Eighty | One hundred | One hundred and twenty-five | One hundred and fifty | Two hundred | Two hundred and fifty | Three hundred |
Zero point one four | 20-100 | Allowable differential pressure MPa | Five point three | Three point seven | Two point three | One point three | Zero point eight | Zero point five | Zero point five | Zero point three | Zero point two five | Zero point two | Zero point one two | Zero point one two | Zero point zero eight | Zero Point Zero Five | Zero Point Zero Five | Zero point zero three five |
Zero point two four | 40-200 | Six point four | Six point four | Five point five | Three point one | One point eight | One point two | One point one | Zero point seven | Zero point six five | Zero point four five | Zero point one eight | Zero point one eight | Zero point one zero | Zero point one zero | Zero point one zero | Zero point zero seven |
Sixth, dimensions:
DN | D | PN (MPa) | H | H1 |
One point six | Four | Six point four | Room temperature | Medium temperature |
Twenty-five | Two hundred and eighty | One hundred and eighty-five | One hundred and ninety | Two hundred | Six hundred and eighty-five | Eight hundred and thirty-five | One hundred and fifteen |
Thirty-two | Two hundred and eighty | Two hundred | Two hundred and ten | Two hundred and ten | Six hundred and ninety-six | Eight hundred and forty-seven | One hundred and twenty |
Forty | Three hundred and twenty-five | Two hundred and twenty | Two hundred and thirty | Two hundred and thirty-five | Seven hundred and fifty-four | Nine hundred and five | One hundred and thirty |
Fifty | Three hundred and twenty-five | Two hundred and fifty | Two hundred and fifty-five | Two hundred and sixty-five | Seven hundred and eighty-four | Nine hundred and thirty-five | One hundred and forty-five |
Sixty-five | Four hundred and ten | Two hundred and seventy-five | Two hundred and eighty-five | Two hundred and ninety-five | One thousand and sixty-five | One thousand two hundred and nineteen | One hundred and eighty |
Eighty | Four hundred and ten | Three hundred | Three hundred and ten | Three hundred and twenty | One thousand and seventy-six | One thousand two hundred and thirty-nine | One hundred and ninety-five |
One hundred | Four hundred and ten | Three hundred and fifty | Three hundred and fifty-five | Three hundred and seventy | One thousand and eighty-five | One thousand two hundred and forty-eight | Two hundred |
One hundred and twenty-five | Four hundred and ninety-five | Four hundred and ten | Four hundred and twenty-five | Four hundred and forty | One thousand two hundred and eighty-six | One thousand four hundred and ninety-eight | Two hundred and forty-five |
One hundred and fifty | Four hundred and ninety-five | Four hundred and fifty | Four hundred and sixty | Four hundred and seventy-five | One thousand three hundred and six | One thousand five hundred and eighteen | Two hundred and fifty-five |
Two hundred | Four hundred and ninety-five | Five hundred and fifty | Five hundred and sixty | Five hundred and seventy | One thousand three hundred and eighty-one | One thousand five hundred and ninety-three | Two hundred and seventy-five |
Two hundred and fifty | Six hundred and twenty | Six hundred and seventy | Seven hundred and forty | Seven hundred and fifty-two | One thousand four hundred and fifty-five | One thousand six hundred and forty-five | Three hundred and eighty |
Three hundred | Six hundred and twenty | Seven hundred and seventy | Eight hundred and three | Eight hundred and nineteen | One thousand five hundred and ten | One thousand six hundred and ninety | Four hundred and thirty |
Seven, the material of main parts temperature range:
Part name | Material Science | temperature range |
valve body The valve cover | HT200 | -20 to 200 DEG C |
ZG230-450 | -40 ~ 450 C |
ZG1Cr18Ni9Ti | -250 ~ 550 C |
Valve, valve seat, valve stem | 1Cr18Ni9 | -250 ~ 550 C |
Under the diaphragm | A3 plate |
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Bracket, cover | HT200 |
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Compression spring | 60Si2Mn |
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Corrugated film | 5806 480D 66 plastic clip nylon mesh cloth |
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filler | Teflon | -40 ~ 200 c |
carbon fibre | -120 ~ 350 C |
Flexible graphite | -40 to 600 DEG C |
Design selection and ordering information:
1, HCB cage type and double seat control valve product name; 2, the nominal diameter of DN (mm); 3, 4, nominal pressure; flow characteristics; 5, the body material and trim materials; 6, medium type and temperature range; 7, the valve before and after the pressure (differential pressure); 8. Sealing form 9. accessories.