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Products > Hydraulic accessaries > > CYW-153B stainless steel differential pressure gauge
Product name : CYW-153B stainless steel differential pressure gauge
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Details:
CYW-153B stainless steel differential pressure gauge

How to order:
USES:
 
 
Cyw-152b and CYW153B stainless steel differential pressure gauge (hereinafter referred to as the meter) are applicable to measure the differential pressure and flow of various liquid (gas) medium in the process of chemical industry, chemical fiber, metallurgy, electric power and nuclear power. The instrument structure is made of stainless steel, among which the measuring system (double corrugated pipe and connecting parts), the pressure guide system (including joint and pipe, etc.) adopt special structure design reasonable, advanced technology, small volume, light weight, good stability, long service life, novel appearance, strong adaptability and other advantages. The connection forms of the instrument joint are parallel (can be directly connected with three valve sets) and inclined type, which can adapt to different customers' matching installation.
 
40/5000  
Main technical parameters:
 
 
1. Measurement range of differential pressure, nominal working pressure, accuracy grade and joint thread size:
Range of differential pressure measurement
Nominal work pressure
Degree of accuracy
Joint thread size
0~10
0~16
0~25
0~40
0~60
0~100
KPa
60
100
160
250
400
600
Kpa
2.5
M20×1.5
NPT 1/2
0~0.16
0~0.25
0~0.40
0~0.60
0~1
0~1.6
0~2.5
MPa
1
1.6
2.5
4
6
10
10
MPa
 
2Pressure guide system and shell material
Part name
Material brand (code)
Joint and conduit
OCa17Ni12Mo2(316)
Corrugated pipe
OCa17Ni14Mo2(316L)
Watch case, watch cover, watch ring
OCa18Ni9(304)
 
2. Materials such as pressure guide system and shell:
 
Part name
 
Material brand (code)
 
 
Joint and conduit
 
OCa17Ni12Mo2 (316).
 
 
Corrugated pipe
 
OCa17Ni14Mo2 (316 l)
 
 
Watch case, watch cover, watch ring
 
OCa18Ni9 (304).
 
3. Using the environment temperature: - 40 ~ 70 ℃
 
4. Vibration resistance to work environment: level V.H.3
 
5. Weight: about 1.5kg
 
6. Enclosure protection class: IP54
 
7. The technical performance of the instrument conforms to the enterprise standard Q/ yxbm831-1997 stainless steel differential pressure gauge
 
Structural principle:
 
The meter adopts a double bellows structure, that is, two bellows are respectively installed on the symmetrical position of both sides of the "work" type bracket. The upper and lower ends of the "i-" type bracket are the movable end and the fixed end respectively. The two bellows are parallel, respectively connected with the high and low pressure joint on the case. The gear drive mechanism is directly installed on the fixed end of the support and connected with the movable end of the support through the pull rod. The dial is directly fixed on the gear drive mechanism.
 
Instrument working principle: based on the sensing element adopted two have the same stiffness of the bellows, and so on under the same measured medium forced it to produce the same focus respectively on the legs, because of the spring leaf waiting for a moment on both sides do not produce the deflection, so the stent is still in the original position, the gear transmission mechanism is not action, make the pointer still refers to the zero.
 
When different pressures are applied (generally higher than the low pressure end), the forces acting on the movable supports of the two bellows are not equal, resulting in corresponding displacement, which drives the gear transmission mechanism to drive and amplify, and the differential pressure value between the two is indicated by the deflection of the pointer.
 
Instructions:
The meter should be installed vertically at the same level as the measuring point, otherwise the additional error caused by the difference of liquid level shall be taken into consideration.
The high pressure end is marked "H" on the instrument connection and the low pressure end is marked "L".
When measuring the differential pressure, the differential pressure value can be used within 75% of the upper limit of the scale range. The maximum static pressure value of the system should not exceed the maximum static pressure value specified by the meter.
As shown in figure 4, balance (safety) valve (valve 1) should be set before the high and low pressure input ports of the instrument during installation, and should be in the open position. The balance valve will be closed after all valves 2 and 3 are opened.
The meter should be carefully checked before use of the measured medium to its degree of erosion, so as not to cause early corrosion damage to the bellows.
Instrument in regular maintenance, if the table cover must be opened, with the help of special tools.
The gauge can be cut off the plug boss of the watch case when the error of the indicator is increased due to the change of temperature and directly affects the accuracy of the measurement.
 
 
Order information:
The user should note:
Type and name, range of differential pressure, maximum static pressure, unit of measurement, and degree of accuracy;
Joint and bellows material;
Thread size of joint: M20 x 1.5 or npt1/2;
Special requirements such as liquid filling in the case or other requirements may be negotiated.
Note: three valves can be customized on behalf of the user

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