The TK502/7D series controller adopts a bellows sensor, which can be used for neutral gases such as air, gas, and water vapor, as well as liquid media such as water, refrigerant, and oil. The setting value of the $r $n controller is adjustable. Adjustment range -0.1... 2.5MPa.
Top 500 private enterprises in China, Anhui Province enterprises, Anhui Province optical and cable industry base, Chinese wire and cable enterprises, large and professional temperature instrument production enterprises in China, and suppliers of complete sets of temperature, pressure, liquid level, flow, and material level. ：138 5505 8800
|
D502/7DExplosion proof pressure controllerDetailed information: |
|
D502/7D、D502/7DK
pressure controller |
D502/7D
Explosion proof pressure controller |
|
|
|
Process of action of single pole double throw micro switch:
Terminal 1-3
Connect terminals 1-2 when the pressure rises and the switching value is reached
Disconnected when switching values due to increased pressure |
|
Process of action of single pole double throw micro switch:
Terminal 1-3
When the pressure rises and the switching value is reached, it is connected
Terminal 1-2
Disconnected when switching values due to increased pressure |
|
| The controller adopts a corrugated tube sensor, which can be used for neutral gases such as air, gas, and water vapor, as well as liquid media such as water, refrigerant, and oil. The setting value of the controller is adjustable. Adjustment range -0.1... 2.5MPa. |
|
1、 Technical performance is required
|
普通型 |
Explosion-proof type |
| Working viscosity |
<1×10-3m2/s |
<1×10-3m2/s |
| switching element |
micro switch |
micro switch |
| Explosion-proof rating |
—— |
ExdeⅡCT5 |
| Shell protection level |
IP65 (compliant with DIN40050, equivalent to IP65 in GB4208) |
IP54 (compliant with DIN40050, equivalent to IP54 in GB4208) |
| ambient temperature |
-5～40℃ |
-5～40℃ |
| medium temperature |
0～120℃ |
0～120℃ |
| Installation location |
|
Pressure interface vertically downward |
| Anti vibration performance |
D502/7D:40m/s2
D502/7DK:20m/s2
|
Max:20m/s2
|
| Repetitive component error |
≤1% |
≤1% |
| Contact capacity |
AC 220V 6A (resistive) |
DC 250V 0.25A (resistive) 60 Wmax
AC 250V 5A (resistive) 1250 VAmax |
|
| 2、 Product Features |
| Can be used for vacuum. |
3、 Specification and model
D502/7D switching difference is not adjustable
| Setting value adjustment range MPa |
Switching difference not greater than |
Maximum allowable pressure*
MPa |
Switching frequency
times |
Pressure sensor material |
Internal thread of interface |
Weight kg |
Outline dimension drawing number |
Order catalog number |
Set value range
lower limit
MPa |
Set value range
upper limit
MPa |
shell |
bellows |
普通型 |
Explosion-proof type |
普通型 |
Explosion-proof type |
-0.1……0
-0.1……0.1
-0.1……0.16
-0.1……0.25
|
0.006
0.007
0.008
0.009
|
0.007
0.008
0.009
0.012 |
1
1
1
1 |
20 |
brass |
stainless steel
00Cr17Ni14M02
（316L） |
G1/4'
G1/4'
G1/4'
G1/4' |
1.0
1.0
1.0
1.0 |
01
01
01
01
|
04
04
04
04
|
0810100
0810200
0810300
0810400 |
0850180
0850280
0850380
0850480 |
0……0.1
0……0.16
0.01……0.25
|
0.007
0.008
0.009 |
0.008
0.009
0.01 |
1
1
1
|
G1/4'
G1/4'
G1/4'
|
1.5
1.5
1.5
1.5
|
01
01
01
01
|
04
04
04
|
0811100
0811200
0811300
|
0851180
0851280
0851380 |
0.02……0.4
0.03……0.6
0.03……1 |
0.03
0.03
0.03 |
0.03
0.035
0.04 |
2
2
2
|
G1/4'
G1/4'
G1/4'
|
0.85
0.85
0.85
0.85
|
02
02
02 |
05
05
05 |
0811400
0811500
0811600 |
0851480
0851580
0851680 |
0.05……1.6
0.05……2.5 |
0.07
0.07 |
0.08
0.09 |
5
5 |
G1/4'
G1/4'
|
0.9
0.9 |
03
03 |
06
06 |
0811700
0811800 |
0851780
0851880 |
|
D502/7D switching difference adjustable
| Setting value adjustment range MPa |
Switching differential adjustment range |
Maximum allowable pressure*
MPa |
Switching frequency
times |
Pressure sensor material |
Internal thread of interface |
Weight kg |
Outline dimension drawing number |
Order catalog number |
Set value range
lower limit
MPa |
Set value range
upper limit
MPa |
shell |
bellows |
普通型 |
Explosion-proof type |
普通型 |
Explosion-proof type |
-0.1……0
-0.1……0.1
-0.1……0.16
-0.1……0.25
|
0.018…0.08
0.019…0.1
0.02…0.2
0.022…0.25 |
0.019…0.08
0.021…0.1
0.022…0.2
0.024…0.25 |
1
1
1
1 |
20 |
brass |
stainless steel
00Cr17Ni14M02
（316L） |
G1/4'
G1/4'
G1/4'
G1/4' |
1.05
1.05
1.05
1.05 |
01
01
01
01
|
04
04
04
04
|
0800100
0800200
0800300
0800400 |
0840180
0840280
0840380
0840480 |
0……0.1
0……0.16
0.01……0.25
|
0.015…0.08
0.018…0.1
0.02…0.2 |
0.016…0.08
0.02…0.1
0.024…0.2
|
1
1
1
|
G1/4'
G1/4'
G1/4'
|
1.05
1.05
1.05
1.05
|
01
01
01
01
|
04
04
04
|
0801100
0801200
0801300
|
0841180
0841280
0841380
|
0.02……0.4
0.03……0.6
0.03……1 |
0.08…0.25
0.08…0.5
0.09…0.8 |
0.08…0.25
0.09…0.5
0.1…0.8
|
2
2
2
|
G1/4'
G1/4'
G1/4'
|
0.9
0.9
0.9
|
02
02
02 |
05
05
05 |
0801400
0801500
0801600 |
0841480
0841580
0841680 |
0.05……1.6
0.05……2.5 |
0.17…1.2
0.18…2 |
0.19…1.2
0.2…2 |
5
5 |
G1/4'
G1/4'
|
0.95
0.95 |
03
03 |
06
06 |
0801700
0801800 |
0841780
0841880 |
|
D502/7DK switch difference is not adjustable (small switch difference, no explosion-proof type)
| Setting value adjustment range MPa |
Switching difference not greater than |
Maximum allowable pressure * MPa |
Switching frequency
times |
Pressure sensor material |
Internal thread of interface |
Weight kg |
Outline dimension drawing number |
Order catalog number |
Set value range
lower limit
MPa |
Set value range
upper limit
MPa |
shell |
bellows |
-0.1……0
-0.1……0.1
-0.1……0.16
-0.1……0.25
|
0.003
0.003
0.003
0.0045 |
0.0045
0.005
0.0065
0.01 |
1
1
1
1 |
20 |
brass |
stainless steel
00Cr17Ni14M02
（316L） |
G1/4'
G1/4'
G1/4'
G1/4' |
1.0
1.0
1.0
1.0 |
01
01
01
01
|
0810107
0810207
0810307
0810407 |
0……0.1
0……0.16
0.01……0.25
|
0.003
0.003
0.0045 |
0.0045
0.006
0.007
|
1
1
1
|
G1/4'
G1/4'
G1/4'
|
1.0
1.0
1.0
1.0
|
01
01
01
01
|
0811107
0811207
0811307
|
0.02……0.4
0.03……0.6
0.03……1 |
0.012
0.015
0.018
|
0.016
0.02
0.03 |
2
2
2
|
G1/4'
G1/4'
G1/4'
|
0.85
0.85
0.85
|
02
02
02 |
0811407
0811507
0801607 |
0.05……1.6
0.05……2.5 |
0.03
0.03 |
0.05
0.06 |
5
5 |
G1/4'
G1/4'
|
0.9
0.9 |
03
03 |
0811707
0811807 |
|
|
Our company's after-sales service commitment:
If users encounter any problems while using the products provided by our company, they can receive support and assistance. Users can primarily communicate with our company's customer service center. Once a user's request is received, professional engineers from the customer service department will solve or answer the questions raised by the user within the specified time. In addition, our company has 24-hour after-sales service to ensure a response within 24 hours after receiving user notifications. For those that require personnel to handle, the company will dispatch service personnel to the scene within a reasonable time to ensure that the equipment can resume normal operation as soon as possible.
Our company's service tenet:
The company adheres to the principle of "serving customers, being responsible for customers, and satisfying customers", conscientiously implements the requirements of ISO9001 quality system standards, and continuously improves the product and service quality of the enterprise.
