YSF Series pressure relief valve
浙江万恩
1yrs +
staff 1000+m² US$300000000+
Key attributes
| Brand | Transformer Parts |
| Model NO. | YSF Series pressure relief valve |
| Fuel injection diameter | 25 |
| Series | YSF Series |
Product descriptions from the supplier
Description
Overview
YSF series pressure relief valve mainly applied to oil-immersed transformers. It can to load tap changer and other oil- immersed electric equipments. Good protective performance. When the inner pressure raches the setting value, it can be opend and closed automatically and the pressure in the will keep normal. It is used as protective to avoid accidents when the pressure in the tank is very high.
Technology parameters
Sequence number |
Injection caliber |
Outside diameter D |
Even the pipe inner d |
Body always high H |
Installing hole center size |
Screw hole diameter and quantity |
Sealing ning outside diameter A |
Injection cover outside diameter B |
JB/4 |
25 |
112 |
45 |
94 |
90 |
M10X3 |
64 |
60 |
JB/5 |
50 |
156 |
80 |
120 |
130 |
M12X4 |
107 |
100 |
JB/6 |
80 |
195 |
130 |
150 |
170 |
M12X6 |
207 |
213 |
JB/7 |
130 |
265 |
155 |
180 |
236 |
M12X6 |
274 |
281 |
Technical parameters for YSF series pressure relief valve:
Type |
Outside diameter D |
Hole on the box cover Φ D |
Body always high H |
The box cover and body always high H |
Thread X Pitch MXP |
φ25 |
60 |
40 |
70 |
90 |
38X2(33X2) |
φ50 |
100 |
80 |
80 |
105 |
60X2 |
If you need to know about more parameters , Please check the model selection manual.↓↓↓
Restricted
transformer parts selection manual
White paper
English
Consulting
Transformer Parts
浙江万恩
1yrs +
staff 1000+m² US$300000000+
Online store
On-time delivery rate
Response time
100.0%
≤4h
Company overview
Workplace: 1000m²
Total staff:
Highest Annual Export(usD): 300000000
Services
Business Type: Design/Sales
Main Categories: Electrical fittings
Whole life care manager
Full lifecycle management services for equipment procurement, use, maintenance, and after-sales,
ensuring safe operation of electrical equipment, continuous control, and worry-free electricity
consumption.
The equipment supplier has passed platform qualification certification and technical evaluation,
ensuring compliance, professionalism, and reliability from the source.
Related Products
Related Knowledges
-
Why Regular Transformer Maintenance Matters: 5 Serious Consequences of Neglecting ItI. Allowable TemperatureWhen a transformer is in operation, its windings and iron core generate copper loss and iron loss. These losses are converted into heat energy, causing the temperature of the transformer's iron core and windings to rise. If the temperature exceeds the allowable value for a long time, the insulation will gradually lose its mechanical elasticity and age.The temperature of each part of the transformer during operation is different: the winding temperature is the highest, folRockwell09/12/2025 -
How to Implement Condition-Based Maintenance for Power Transformers? A Complete 4-Step Process Analysis1. Definition of Condition-Based MaintenanceCondition-based maintenance refers to a maintenance method where decisions on whether and how to perform maintenance are determined based on the real-time operating status and health condition of equipment. It has no fixed maintenance methods or schedules. The prerequisite for condition-based maintenance is the establishment of equipment parameters and the comprehensive analysis of various operational information of the equipment, so as to make reasonaNoah09/12/2025 -
Can't choose a dry-type transformer? Get expert advice – free.Traction Rectifier TransformersRated capacity: 800 to 4400 kVA; Voltage class: 10 kV and 35 kV; Rectifier pulse number: 12-pulse and 24-pulse. Compared with 12-pulse rectifier circuits, 24-pulse rectifier circuits can reduce the harmonic pollution of the power grid by 50%, and no filtering equipment is needed at this location. It is suitable for power supply systems of urban subways and rail transit.Excitation Rectifier TransformersRated capacity: 315 to 3000 × 3 kVA; Voltage class: 10 kV, 13.8Vziman09/12/2025 -
SG10 Series Transformer Overload Protection Solution | Prevent Overheating and Damage, View NowOperating Conditions in National Standard GB 6450-1986Ambient temperature: Maximum ambient temperature: +40°C Daily average maximum temperature: +30°C Annual average maximum temperature: +20°C Minimum temperature: -30°C (outdoor); -5°C (indoor) Horizontal axis: Product load; Vertical axis: Average coil temperature rise in Kelvin (note: not in Celsius).For Class H insulation products, the long-term temperature resistance of insulation materials is stipulated by the state as 180°C. However, the inRockwell09/12/2025 -
High harmonics? Your transformer may be overheating and aging fast.This report is based on the analysis of one-day power quality monitoring data of your company's distribution system. The data shows that there is significant three-phase current harmonic distortion in the system (with a high total harmonic distortion of current, THDi). In accordance with international standards (IEC/IEEE), harmonic currents at this level have posed substantial risks to the safe, reliable, and economical operation of the power supply transformer, mainly manifested in additional hLeon09/12/2025 -
Ultimate Guide to AC Contactor Abnormal Noise: From Electromagnetic Noise to Mechanical Vibration, Accurate Diagnosis and HandlingIn electrical control systems, AC contactors are among the commonly used electrical components, and they are also a common source of various electrical faults. After long-term use—especially in harsh environments with high levels of dust—AC contactors may sometimes emit squeaking or rattling noises after being pulled in and held. The causes of this phenomenon are analyzed as follows.Squeaking Noise After Pull-In and HoldingA fully functional AC contactor makes no noise when energized and pulledFelix Spark09/11/2025
Related Solutions
Haven't found the right supplier yet? Let matching verified suppliers find you.
Get Quotation Now
