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Integral-forming rubber bag

basic information
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Features
SHIRE IPS rubber bag is manufactured by professional large scale equipment by vulcanization under high temperature and pressure. No solvent or talcum is used to be environmentally friendly, zero pollution to the transformer oil and enhance the quality and service life. World leading technology guarantee the safe operation in HV, UHV and EHV transformers.  
 
1、Material: Industrial First 2 Material Rubber Coated Fabrics
“Air side rubber - fabric - oil side rubber” 2 material structure replaces traditional same material structure.
Air side rubber focuses on gas impermeability and air aging resistance, oil side rubber focuses on oil resistance and wearing proof.
Innovated formula, premium material.
 
2、Technology: China first and patent certified rubber bag integral-forming technology. More endurable and reliable. 
Integral-forming technology replaces traditional manual glue sticking process. Rubber bag is 
manufactured by large scale equipment under high temperature and pressure.    
No glue is used in seaming places to enhance the seaming strength, gas impermeability and long service life.
No manual glue sticking to guarantee more reliable uniform quality. 
 
3、Structure: China first metal flange with better strength and gas impermeability
Metal flange replaces traditional rubber flange.
Metal flange is much stronger than rubber flange, which can withstand the huge stress caused by partial vacuum between flange and oil conservator.
Metal flange can solve the problem of gas and water leakage caused by air aging of rubber flange.
Product advantages
Product value
1、Comparing to traditional manual glue sticking process, SHIRE integral-forming technology has better uniform quality and completely solves the problem of leakage.
2、Comparing to traditional manual glue sticking process, SHIRE integral-forming technology adopts high temperature and pressure vulcanization by large scale equipment, which can improve seaming strength and air impermeability.
3、Comparing to traditional manual glue sticking process, SHIRE integral-forming rubber bag adopts 2 material structure, which has better aging resistance and longer service life.
4、Compared to traditional rubber flange, SHIRE integral-forming rubber bag adopts metal flange, which is stronger, leakage and corrosion proof and can withstand huge stress caused by partial vacuum between flange and oil conservator to completely solve the gas and water leakage problem of rubber flange.   
5、Comparing to traditional manual glue sticking process, integral-forming technology doesn’t use talcum to guarantee zero pollution to transformer oil.
 
DATA SHEET COMPARISON BETWEEN SHIRE AND TRADITIONALRUBBER BAGS

No.

Item

GBT24142

Traditional Manual

SHIRE IPS

1

Thickness, mm

0.5~0.8

0.6~0.8

1.0~1.1

2

Tensile Strength, N

≥750

800~1300

≥2200

4

Seaming Strength, N

≥750

800~1300

≥2200

3

Adhesive Strength, N/50mm

≥50

50~70

≥100

7

Tearing Strength, N

≥20

20~30

≥100


TECHNOLOGY COMPARION BETWEEN SHIRE AND TRADITIONALRUBBER BAGS

TECH

Condition of Rubber Coated fabric before seaming

Vulcanization - Pressure

Vulcanization - Temperature

Manual
Raw Rubber Coated Fabric, Semi-vulcanized Rubber Coated fabric, Vulcanizing Rubber Coated Fabric

No Pressure

130℃

IPS

Raw Rubber Coated Fabric

2-4MPa 

160~170℃

 



 

1. Compared with traditional manual glue bonding capsules, it completely eliminates leakage and makes transformer operation safer;
 
Handmade glue-bonded capsule products are prone to leakage due to inherent defects in the material process, which affects the safe operation of the transformer; the core has a higher strength and resistance due to the integral molding process and double-sided dissimilar rubber. Pressure performance ensures long-term reliable operation.
 
2. The life cycle cost is more economical than traditional manual glue bonding capsules
 
Handmade glue bonding capsules have fast aging and short service life. It needs to be replaced regularly and consumes a lot of operation and maintenance costs. Shirui integrated molding capsule can guarantee the same life as the transformer, no need to replace, greatly reducing the operation and maintenance workload, greatly Reduce operating and maintenance costs and make it more economical throughout the life cycle.
 
3. Compared with imported capsules, the delivery time is faster, the emergency response is more timely, and the project progress is guaranteed.
 
The long delivery period of imported capsules can not meet the needs of on-site inspection and replacement. Shirui integrated molding capsules can cooperate with the power grid inspection department to achieve rapid response under emergency conditions and complete supply in the shortest time.
 
4. Compared with imported capsules, the price is lower, and the cost of one purchase is more economical.
 
Shirui changed the situation that the overall molded capsule relied on imports, and the price was much lower than that of imported capsules, which greatly reduced the procurement cost of transformer manufacturers and power grids.
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