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Welcome to the official website of Henan Gongyi Unicom pipeline factory!
 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

D-type large deflection pipe expansion joint

The D-type large deflection pipe expansion joint (compensation joint) is a patented product of China Unicom. The large deflection expansion joint is also known as the large deflection pipeline expansion joint. It is a new type of pipeline connector developed on the basis of absorbing foreign advanced pipeline technology and combining with China's pipeline transportation and geological conditions. Its main structure consists of short pipe flange, gland, sliding pipe and sealing device. It adopts unique anti axial force design, simple structure, reliable sealing performance and strong tensile force. It has a large amount of deflection and expansion, and is suitable for pipeline connection in harsh conditions and complex terrain.

National 24-hour sales hotline: 0371-64031268

D-type large deflection pipeline expansion joint (compensation joint) connecting products, large deflection expansion joint is also known as large deflection pipeline expansion joint, which is a new type of pipeline connector developed on the basis of absorbing foreign advanced pipeline technology and combining with China's pipeline transportation and geological conditions. Its main structure consists of short pipe flange, gland, sliding pipe and sealing device. It adopts unique anti axial force design, simple structure, reliable sealing performance and strong tensile force. It has a large amount of deflection and expansion, and is suitable for pipeline connection in harsh conditions and complex terrain.

Technical parameters:

Nominal size
DN
Deflection Expansion and contraction
mm
L D1 Flange connection size
0.6Mpa 1.0Mpa 1.6Mpa
D K n-do D K n-do D K n-do
one hundred seven ±60 five hundred and twenty three hundred and five two hundred and ten one hundred and seventy 4-¢18 two hundred and twenty one hundred and eighty 8-¢18 two hundred and twenty one hundred and eighty 8-¢19
two hundred five hundred and sixty four hundred and fifteen three hundred and twenty two hundred and eighty 8-¢18 three hundred and forty two hundred and ninety-five 8-¢23 three hundred and forty two hundred and ninety-five 12-¢23
three hundred six hundred and five five hundred and thirty four hundred and forty three hundred and ninety-five 12-¢23 four hundred and forty-five four hundred 12-¢23 four hundred and sixty four hundred and ten 12-¢27
four hundred six hundred and sixty six hundred and forty-five five hundred and forty four hundred and ninety-five 16-¢23 five hundred and sixty-five five hundred and fifteen 16-¢27 five hundred and eighty five hundred and twenty-five 16-¢30
five hundred six hundred and seventy seven hundred and fifty six hundred and forty-five six hundred 20-¢23 six hundred and seventy six hundred and twenty 20-¢27 seven hundred and fifteen six hundred and fifty 20-¢33
six hundred seven hundred and twenty eight hundred and seventy seven hundred and fifty-five seven hundred and five 20-¢27 seven hundred and eighty seven hundred and twenty-five 20-¢30 eight hundred and forty seven hundred and seventy 20-¢36
seven hundred six point five ±65 seven hundred and fifty nine hundred and sixty eight hundred and sixty eight hundred and ten 24-¢27 eight hundred and ninety-five eight hundred and forty 24-¢30 nine hundred and ten eight hundred and forty 24-¢36
eight hundred eight hundred and ten one thousand and eighty-five nine hundred and seventy-five nine hundred and twenty 24-¢30 one thousand and fifteen nine hundred and fifty 24-¢33 one thousand and twenty-five nine hundred and fifty 24-¢39
nine hundred eight hundred and fifty-five one thousand one hundred and eighty-five one thousand and seventy-five one thousand and twenty 24-¢30 one thousand one hundred and fifteen one thousand and fifty 28-¢33 one thousand one hundred and twenty-five one thousand and fifty 28-¢39
one thousand nine hundred and fifty one thousand three hundred and five one thousand one hundred and seventy-five one thousand one hundred and twenty 28-¢30 one thousand two hundred and thirty one thousand one hundred and sixty 28-¢36 one thousand two hundred and fifty-five one thousand one hundred and seventy 28-¢42
one thousand and two hundred one thousand one thousand five hundred and five one thousand four hundred and five one thousand three hundred and forty 32-¢33 one thousand four hundred and fifty-five one thousand three hundred and eighty 32-¢39 one thousand four hundred and eighty-five one thousand three hundred and ninety 32-¢48
one thousand and four hundred one thousand and fifty one thousand seven hundred and fifteen one thousand six hundred and thirty one thousand five hundred and sixty 36-¢36 one thousand six hundred and seventy-five one thousand five hundred and ninety 36-¢42 one thousand six hundred and eighty-five one thousand five hundred and ninety 36-¢48
one thousand and six hundred one thousand one hundred and forty one thousand nine hundred and thirty one thousand eight hundred and thirty one thousand seven hundred and sixty 40-¢36 one thousand nine hundred and fifteen one thousand eight hundred and twenty 40-¢48 one thousand nine hundred and thirty one thousand eight hundred and twenty 40-¢56
one thousand and eight hundred six +75 one thousand and two hundred two thousand one hundred and fifty two thousand and forty-five one thousand nine hundred and seventy 44-¢40 two thousand one hundred and fifteen two thousand and twenty 44-¢48 two thousand one hundred and thirty two thousand and twenty 44-¢56
two thousand one thousand two hundred and fifty two thousand three hundred and seventy two thousand two hundred and sixty-five two thousand one hundred and eighty 48-¢42 two thousand three hundred and twenty-five two thousand two hundred and thirty 48-¢48 two thousand three hundred and forty-five two thousand two hundred and thirty 48-¢62
two thousand and two hundred one thousand and three hundred two thousand five hundred and seventy two thousand four hundred and seventy-five two thousand three hundred and ninety 52-¢42 two thousand five hundred and fifty two thousand four hundred and forty 52-¢56 - - -
two thousand and four hundred one thousand four hundred and twenty two thousand eight hundred and twenty two thousand six hundred and eighty-five two thousand and six hundred 56-¢42 two thousand seven hundred and sixty two thousand six hundred and fifty 56-¢56 - - -
two thousand and six hundred one thousand four hundred and fifty three thousand and twenty two thousand nine hundred and five two thousand eight hundred and ten 60-¢48 two thousand nine hundred and sixty two thousand eight hundred and fifty 60-¢56 - - -
two thousand and eight hundred one thousand and five hundred three thousand two hundred and thirty three thousand one hundred and fifteen three thousand and twenty 64-¢48 three thousand one hundred and eighty three thousand and seventy 64-¢56 - - -
three thousand one thousand and six hundred three thousand four hundred and forty three thousand three hundred and fifteen three thousand two hundred and twenty 68-¢48 three thousand four hundred and five three thousand two hundred and ninety 68-¢62 - - -
three thousand and two hundred one thousand seven hundred and eighty three thousand six hundred and eighty-five three thousand five hundred and twenty-five three thousand four hundred and thirty 72-¢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