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 Expansion joint, expansion joint manufacturer, Gongyi Unicom pipeline factory
[telescopic series]
Telescopic device
SSQ cast iron expansion device
Ductile iron expansion device
CS type thermal pipeline expansion device
SF steel expansion device
RS type flexible sleeve type expansion device
Ssqp both ends flange limit pressure plate extension
Sqx-a casing expansion joint
Sqx-b casing expansion joint
Sqx-c casing expansion joint
[transmission joint series]
Force transfer joint
Vssjafg single flange loose sleeve force transfer connection
Vssjaf double flange loose sleeve force transfer connection
Vssjafc detachable double flange loose sleeve transmission
CF type single flange loose sleeve force transfer joint
C2F double flange loose sleeve force transfer joint
Cc2f detachable double flange loose sleeve transmission
Beijing force transfer joint
Shanghai force transfer joint
Tianjin transfer joint
[waterproof casing series]
Waterproof casing
Stainless steel waterproof casing
Type a rigid waterproof casing
Type B rigid waterproof casing
C-type rigid waterproof casing
02s404 rigid waterproof casing
02s404 flexible waterproof casing
07fs02 rigid closed casing
07fs02 flexible sealing sleeve
Special airtight casing for civil air defense basement
[compensator series]
Compensator
TWB / ztwb oil injected DC medium
Silicone skin of nonmetal compensator
Jr type general purpose metal hose
stainless steel bellows
QB type spherical compensator
Directly buried corrugated compensator
Axial inward pressure bellows expansion joint
Bellows expansion joint with axial compression
Bellows expansion joint of transverse small tie rod
[rubber joint series]
Rubber joint
Jgd single ball flexible rubber joint
Jgd double ball flexible rubber joint
KXT single ball flexible rubber joint
KXT double ball flexible rubber joint
Gjq (x) - SF double sphere flexible rubber
Gjq (x) - DF - II single sphere is flexible
Anti pull off flexible rubber joint
Jgd-b flexible double ball wire connecting rubber
Fan coil connection
[cold rolled flange series]
Cold rolled flange
[expansion joint series]
Double flange limit expansion joint
Vssja-1 single flange limited expansion joint
B2F double flange loose sleeve limited expansion joint
BF single flange loose sleeve limited expansion joint
Ay type gland type loose sleeve expansion joint
Ssjb-3 (by) gland type loose sleeve limit
Ssjb-2 (by) gland type loose sleeve limit
Welded expansion joint
Ssjb (Ay) gland type loose sleeve expansion and contraction
Gfjh double flange steel multiple joint
Telescopic series

Ssqp pressure plate expansion device with flange limit at both ends

Description of ssqp pressure plate expansion device with flange limit at both ends:
1. The material of this product can be selected according to the user's requirements (carbon steel, stainless steel, semi stainless steel, etc.).
2. Flange connection dimensions are produced according to gb9115.7-88 (the standard is the same as butterfly valve connection size), and the non-standard size is provided by the user.

National 24-hour sales hotline: 0371-64031268

Expansion joint is also called expansion joint, expansion joint, compensator and expansion joint. The expansion device can be axially retracted within a certain range, and can also overcome the offset caused by different axial joints of the pipeline in a certain angle. It can greatly facilitate the installation and disassembly of the valve pipeline. It can freely expand and expand in the allowable expansion amount of the pipeline. Once the maximum expansion amount is exceeded, it will play a limit to ensure the safe operation of the pipeline. In order to ensure the safe operation of the pipeline, it has the following functions: compensating the axial, transverse and angular thermal deformation of the absorption pipeline; absorbing the equipment vibration to reduce the impact of equipment vibration on the pipeline; absorbing the deformation of the pipeline caused by earthquake and ground subsidence.
1. The product provides great convenience for the installation and replacement of various water supply and drainage pipelines, water towers, pumps, water meters and valves, and plays a good role in regulating the expansion and contraction of long-distance pipelines due to temperature difference.
2. There are two types of pipes for the product: metal type and rubber type (for example, gsq-j (metal) and gsq-x (rubber)) for Zhonglin water supply company, and the metal types are divided into cast iron, galvanized steel and steel. The working pressure is divided into pn6, PN10 and PN16.
3. Before installation, loosen the pressure plate bolt, pull the product to the installation length, and then tighten it with diagonal method. Do not press off. If it is used overhead, the corresponding fixed support must be installed at both ends.
4. The flange connection adopts gb4216.3-4126.5 standard.
5. If other specifications are selected, it can be customized.

Application scope and application of ssqp flange limited pressure plate expansion device:
Applicable media:
This product is suitable for transportation of seawater, fresh water, cold and hot water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, product oil, air, gas, steam with temperature not higher than 250 ℃ and particle powder.
Purpose:
The expansion joint is a new product connecting the pump, valve, pipeline and other equipment with the pipeline. It is connected with the whole bolt to make it become a whole, and has a certain displacement, which is convenient for installation. It can bear the axial pressure of pipeline. When the pump is installed and maintained, it can not only improve the efficiency of the installation of the pump, but also improve the efficiency of the installation of the pump.

Precautions for installation and use of ssqp flange limit plate type expansion device:
1. The model, specification and pipeline configuration of the expansion device should be checked before installation, which must meet the design requirements.
2. Pay attention to the direction of rotation of the inner hinge sleeve of the cylinder with the same direction as that of the inner plane of the telescopic sleeve.
3. For the expansion joint that needs to be "cold tightened", the auxiliary components for pre deformation should be removed after the pipeline installation.
4. It is strictly forbidden to use the method of expansion joint deformation to adjust the installation out of tolerance of the pipeline, so as to avoid affecting the normal function of the expansion device, reducing the service life and increasing the load of the piping system, equipment and supporting components.
5. During installation, welding slag is not allowed to splash on the surface of the wave shell and other mechanical damage is not allowed.
6. After the piping system is installed, the Yellow auxiliary positioning components and fasteners used for installation and transportation on the wave expansion device should be removed as soon as possible, and the limiting device should be adjusted to the specified position according to the design requirements, so that the pipeline system has sufficient compensation capacity under environmental conditions.
7. All moving elements of the expansion device shall not be stuck or restricted by external components, and the normal operation of each moving part shall be ensured.
8. During the water pressure test, the secondary fixed pipe support at the end of the pipeline with expansion device shall be reinforced to prevent the pipeline from moving or rotating. For the expansion device and its connecting pipeline used in gas medium, it is necessary to add temporary support when filling water. The content of 96 chloride ion in the cleaning solution for water pressure test shall not exceed 25ppm.

Technical parameters:

DN Standard type Flange connection size Limit bolt
millimeter inch Maximum length
mm
Lmax
Minimum length
mm
Lmax
Installation length
mm
L
D1 n-d n-m z-m
thirty-two one point two five one hundred and thirty one hundred one hundred and fifteen one hundred 4-18 4-16 2-16
forty one point five one hundred and sixty-five one hundred and thirty one hundred and forty-five one hundred and fifteen 4-18 4-16 2-16
fifty two one hundred and seventy one hundred and thirty-nine one hundred and fifty-five one hundred and twenty-five 4-18 4-16 2-16
sixty-five two point five one hundred and eighty-seven one hundred and fifty-three one hundred and seventy one hundred and forty-five 4-18 4-16 2-16
eighty three two hundred and eight one hundred and sixty-four one hundred and eighty one hundred and sixty 4-18 4-16 2-16
one hundred four two hundred and twenty-one one hundred and seventy-nine two hundred one hundred and eighty 8-18 8-16 2-16
one hundred and twenty-five five two hundred and thirty-seven one hundred and ninety-two two hundred and fifteen two hundred and ten 8-18 8-16 2-16
one hundred and fifty six two hundred and sixty two hundred and ten two hundred and thirty-five two hundred and forty 8-23 8-20 2-20
two hundred eight two hundred and seventy-five two hundred and twenty-four two hundred and fifty two hundred and ninety-five 8-23 8-20 2-20
two hundred and fifty ten two hundred and thirty-eight two hundred and sixty-five three hundred and fifty 12-23 12-20 3-20
three hundred twelve three hundred and eight two hundred and fifty-five two hundred and eighty four hundred 12-23 12-20 3-20
three hundred and fifty fourteen three hundred and twenty-eight two hundred and seventy-two three hundred four hundred and sixty 16-23 16-20 4-20
four hundred sixteen three hundred and forty-five two hundred and eighty-six three hundred and fifteen five hundred and fifteen 16-25 16-22 4-22
four hundred and fifty eighteen three hundred and sixty-two two hundred and ninety-eight three hundred and thirty five hundred and sixty-five 20-25 20-22 5-22
five hundred twenty three hundred and eighty three hundred and twelve three hundred and forty-five six hundred and twenty 20-25 20-22 5-22
six hundred twenty-four three hundred and ninety-eight three hundred and twenty-two three hundred and sixty seven hundred and twenty-five 20-30 20-27 5-27
seven hundred twenty-eight four hundred and twenty three hundred and forty-one three hundred and eighty eight hundred and forty 24-30 24-27 6-27
eight hundred thirty-two four hundred and forty three hundred and fifty-eight four hundred nine hundred and fifty 28-34 24-30 6-30
nine hundred thirty-six four hundred and seventy three hundred and eighty-four four hundred and twenty-five one thousand and fifty 24-34 28-30 7-30
one thousand forty four hundred and ninety-eight four hundred and ten four hundred and fifty one thousand one hundred and sixty 28-34 28-30 7-30
one thousand and two hundred forty-eight five hundred and thirty four hundred and forty four hundred and eighty-five one thousand three hundred and eighty 32-41 32-36 8-36
one thousand and four hundred fifty-six five hundred and sixty four hundred and sixty five hundred and ten one thousand five hundred and ninety 36-48 36-42 9-42
one thousand and six hundred sixty-four five hundred and eighty four hundred and eighty five hundred and thirty one thousand eight hundred and twenty 40-54 40-48 10-48
one thousand and eight hundred seventy-two six hundred and twenty five hundred and nine five hundred and sixty two thousand and twenty 44-54 44-48 11-48
two thousand eighty six hundred and eighty five hundred five hundred and ninety two thousand two hundred and thirty 46-54 46-48 12-48
two thousand and two hundred eighty-eight seven hundred and twenty five hundred and forty six hundred and thirty two thousand three hundred and ninety 52-48 52-42 13-42
two thousand and four hundred ninety-six seven hundred and forty five hundred and eighty six hundred and sixty two thousand and six hundred 56-48 56-42 14-42
two thousand and six hundred one hundred and four seven hundred and eighty six hundred six hundred and ninety two thousand eight hundred and ten 60-54 60-48 15-48
two thousand and eight hundred one hundred and twelve eight hundred and ten six hundred and twenty seven hundred and fifteen three thousand and twenty 64-54 64-48 16-48
three thousand one hundred and twenty eight hundred and forty six hundred and forty seven hundred and forty three thousand two hundred and twenty 68-54 68-48 17-48

Company name: Gongyi Unicom pipeline factory address: Xicun Industrial Zone, Gongyi City, Henan Province contact person: Manager Pang Tel: 0371-64031268
Mobile phone: 15617617287 / 15038001853 Fax: 0371-64031728 e_ mail:gyltgd@126.com Yu ICP Bei No. 12019710-5
Professional expansion joint, expansion joint, expansion joint, pipe expansion, limit expansion joint manufacturer Copyright: Gongyi Unicom pipeline factory