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Nanjing Shengzhiyuan Hydraulic Equipment Co., Ltd
Liquid bag expander
NegotiableUpdate on 05/14
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Overview
The liquid bag expander is widely used in the expansion process of equipment manufacturing such as heat exchangers, boilers, refrigeration, and nuclear power plants in various domestic production enterprises. It achieves the expansion process under the pressure of the expander. This product can eliminate the noise of pipe wall gap, without pollution, stress, and fast speed
Product Details
Liquid bag expanderProduct Description: Hydraulic tube expander and liquid bag expansion rod are widely used in the expansion process of equipment manufacturing such as heat exchangers, boilers, refrigeration, and nuclear power plants in various domestic production enterprises. They achieve the expansion process under the pressure of the tube expander. This product can eliminate pipe wall gap noise, with no pollution, no stress, and fast speed.
Pressure gauge for hydraulic expansion of conventional tube sheets and heat exchange tubes:
Heat exchange tube specifications |
Φ outer/Φ inner pipe wall coefficient |
10 # Steel Adhesive Expansion |
10 # Steel Strength Expansion |
20 # steel sticker expansion |
20 # steel strength expansion |
Special steel adhesive expansion |
Special steel strength expansion |
Φ25*2 |
1.1-1.2 |
130-140 |
150-160 |
150-160 |
170-180 |
180-190 |
200-210 |
Φ9*1 |
1.2-1.3 |
140-150 |
160-170 |
160-170 |
180-190 |
190-200 |
210-220 |
Φ19*2.5 |
1.3-1.4 |
150-160 |
170-180 |
170-180 |
190-200 |
200-210 |
220-230 |
Φ19*3 |
1.4-1.5 |
160-170 |
180-190 |
180-190 |
200-210 |
210-220 |
230-240 |
Liquid bag expanderIt can be divided into adhesive type and rubber sleeve type.
Adhesive tube expander is suitable for adhesive expansion and strength expansion of ordinary materials. Suitable for pressures below 180Mpa, with a small expansion hole diameter ≥ 8mm. This tube expander has the advantages of easy installation and short customization time, but its disadvantage is that it has a low service life during strength expansion.
The rubber sleeve expansion tube relies on its own sealing effect, which makes it more widely applicable and has better stability, especially suitable for high-strength expansion; The small expansion joint aperture must be ≥ 12mm, and the customization time is long.
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