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151 Pu Liu North Road, Liuhe District, Nanjing City
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Nanjing Shengzhiyuan Hydraulic Equipment Co., Ltd
Liquid bag expansion machine
NegotiableUpdate on 05/14
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Overview
The liquid bag expansion machine is the third generation hydraulic expansion machine developed by our company, mainly composed of hydraulic system, high-pressure cylinder, high-pressure hose, expansion gun, expansion rod, control box and other components. Especially in deep hole expansion joints, it can accurately locate and meet the expansion joints of different materials and specifications of pipe holes. The expansion gun is lightweight, easy to operate, and suitable for single person operation.
Product Details
Liquid bag expansion machineProduct 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 Φ45*3.5 Φ38*3 Φ57*3.5 |
1.1-1.2 |
130-140 |
150-160 |
150-160 |
170-180 |
180-190 |
200-210 |
|
Φ9*1 Φ12*1 Φ16*1.5 Φ19*2 Φ25*2.5 Φ32*3 |
1.2-1.3 |
140-150 |
160-170 |
160-170 |
180-190 |
190-200 |
210-220 |
|
Φ19*2.5 Φ25*3 Φ27*3.5 Φ38*5 |
1.3-1.4 |
150-160 |
170-180 |
170-180 |
190-200 |
200-210 |
220-230 |
|
Φ19*3 Φ25*4 Φ32*5 |
1.4-1.5 |
160-170 |
180-190 |
180-190 |
200-210 |
210-220 |
230-240 |
Liquid bag expansion machineIt can be divided into adhesive type and rubber sleeve type. Adhesive expansion tube 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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