Oil immersed transformer accessories Protective device Oil Flow Indicator Oil Flow Relay for Power Transformer
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- Supplier: Hangzhou Giantway Import & Export Co. Ltd.
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Product Overview
Description
1.1 The composition of the model and its representative meaning
BLZ □-□-□/□□
special environment code
Action flow
high work flow
Tube Nominal Diameter
Design Number
Transformer Cooler Flow Indication
Note: special use environment code
TH-wet tropical type TA-dry tropical type general type not indicated A-special for electric locomotive
1.2 Conditions of use
1.2.1 Ambient temperature: -30～+40℃;
1.2.2 Relative temperature: when the air temperature is +25℃, the relative temperature is not more than 90%;
1.2.3 The oil temperature is not higher than 90℃;
1.2.4 Places without severe vibration and turbulence;
1.2.5 The oil flow parameters of the transformer cooling system should be consistent with the flow parameters of the indicator (ie operating characteristics).
2 Main structure and working principle
2.1 Main structure
The indicator is mainly composed of the display part composed of the dial 4 and the pointer 3, the signal switch part composed of the cam 2 and the micro switch 1, the transmission part composed of the moving plate 9, the transmission shaft 8, the return scroll spring 6 and the adjustment plate 7, and The coupling magnetic steel 5 is composed.
2.2 How it works
When the oil pump of the transformer cooling system is started, the oil flow circulates, and when the oil flow reaches more than the action oil flow, the moving plate of the indicator is driven to rotate to the final position. position, the normally open contact of the micro switch is closed to send a normal working signal. When the oil flow is reduced to the return oil flow (or can not reach the action oil flow), the moving plate returns with the action of the reset scroll spring, so that the normally open contact of the micro switch is opened, and the normally closed contact is closed to send a fault signal.
BLZ □-□-□/□□
special environment code
Action flow
high work flow
Tube Nominal Diameter
Design Number
Transformer Cooler Flow Indication
Note: special use environment code
TH-wet tropical type TA-dry tropical type general type not indicated A-special for electric locomotive
1.2 Conditions of use
1.2.1 Ambient temperature: -30～+40℃;
1.2.2 Relative temperature: when the air temperature is +25℃, the relative temperature is not more than 90%;
1.2.3 The oil temperature is not higher than 90℃;
1.2.4 Places without severe vibration and turbulence;
1.2.5 The oil flow parameters of the transformer cooling system should be consistent with the flow parameters of the indicator (ie operating characteristics).
2 Main structure and working principle
2.1 Main structure
The indicator is mainly composed of the display part composed of the dial 4 and the pointer 3, the signal switch part composed of the cam 2 and the micro switch 1, the transmission part composed of the moving plate 9, the transmission shaft 8, the return scroll spring 6 and the adjustment plate 7, and The coupling magnetic steel 5 is composed.
2.2 How it works
When the oil pump of the transformer cooling system is started, the oil flow circulates, and when the oil flow reaches more than the action oil flow, the moving plate of the indicator is driven to rotate to the final position. position, the normally open contact of the micro switch is closed to send a normal working signal. When the oil flow is reduced to the return oil flow (or can not reach the action oil flow), the moving plate returns with the action of the reset scroll spring, so that the normally open contact of the micro switch is opened, and the normally closed contact is closed to send a fault signal.
Product Description
Specification
model | Tube Nominal(mm) | Great working oil(m3/h) | Operating oil flow m3/h | Return oil flow m3/h | Contact capacity | ||||
BLZ4－50-20/15 | 50 | 20 | 15 | 11 | Contact capacity | ||||
BLZ4－80-40/30 | 80 | 40 | 30 | 22 | |||||
BLZ4－80-45/30 | 80 | 45 | 30 | 18 | |||||
BLZ4－100-40/30 | 100 | 40 | 30 | 20 | |||||
BLZ4－100-80/60 | 100 | 80 | 60 | 40 | |||||
BLZ4－100-90/68 | 100 | 90 | 68 | 50 | |||||
BLZ4－125-80/60 | 125 | 80 | 60 | 40 | |||||
BLZ4－125-150/100 | 125 | 150 | 100 | 75 | |||||
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CONTACT US
FAQ
Q1: What's your main products?
A: We are professional supplier of Transformer Accessories and Insulation Materials with more than 15 years' experience.
Q2: Can I get some samples?
A: Yes, sample order is available for quality check and market test.
Q3: Does your company accept customization?
A: Yes, we can accept OEM/ODM.
Q4: How can you control your quality?
A: For each production processing, we have complete QC system for the chemical composition, physical and electrical properties.After production, all the goods will be tested according to related standards, and the ex-factory test reports will be sent along with shipment documents.
Q5: What's your payment terms?
A: We can accept the payment through L/C, D/A, D/P, T/T, Western Union, MoneyGram, Paypal, Alibaba Trade Assurance.
Q6: Can we visit your factory?
A: Sure, you are welcome to visit our factory anytime.
A: We are professional supplier of Transformer Accessories and Insulation Materials with more than 15 years' experience.
Q2: Can I get some samples?
A: Yes, sample order is available for quality check and market test.
Q3: Does your company accept customization?
A: Yes, we can accept OEM/ODM.
Q4: How can you control your quality?
A: For each production processing, we have complete QC system for the chemical composition, physical and electrical properties.After production, all the goods will be tested according to related standards, and the ex-factory test reports will be sent along with shipment documents.
Q5: What's your payment terms?
A: We can accept the payment through L/C, D/A, D/P, T/T, Western Union, MoneyGram, Paypal, Alibaba Trade Assurance.
Q6: Can we visit your factory?
A: Sure, you are welcome to visit our factory anytime.
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