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Standard
  • American ACI-318
  • British BS4449
  • Europe AFCAB
  • Tensile Strength: 800mpa-1050mpa
  • Yield Strength: 600-750mpa
  • Permanent elongation test: <0.1
Reducing coupler
  • Brief Introduction:
    JBCZ is a professional manufacturer of upset forging parallel thread coupler and rebar threading machine .
    *Rebar connection range: from 12mm to 40mm, equal to #4 to #12 British rebar size.
    *JBCZ ...
    E-mail: jb@jbcz.com
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Quick Detail:

Bartect type--upset forging parallel thread coupler cold forging series


4》Reducing connection-- suitable for two rebars with different sizes


Brief introdcution  

JBCZ is a professional manufacturer of upset forging parallel thread coupler and rebar threading machine .

*Rebar connection range: from 12mm to 40mm, equal to #4 to #12 British rebar size.

*JBCZ upset forging parallel thread coupler splicing meet:

ASTM American standard, BS 4449 British standard, BIS-1786 India standard, KSD-3504 Korea standard , ABNT NBR7480:2007 Brazil standard, DSTU-3760 UKRAINE standard, NFA35-016 French standard, BS EN10080 European standard,etc international standard rebar connection requirement.

Couler Chinese national standard type(12mm-40mm).

                                                                             


Product Feature

Bartec type is parallel thread splicing system which is designed for Ø12 to Ø50mm(ASTM #4 to #8)rebar conneciton. Designed and produced in compliance with Eurocode 2, BS 8110, DIN 1045, ACI 318, IBC, AASHTO, ASME Sec III Div 2.



Product advantage

*No reducing of rebar cross sectional area

*Pass elongation test .

*Easy installation , no need torch wrench.

*one coupler can meet all connection requirement

*Manufactured under ISO 9001 standard and same strict quality guarantee.Tested by third party.

*Full traceability of raw material and production batch.

*Tested under several cyclic situation

*No bar conjunction problem happen.

*No large quantity of bars required.

*It can pass below test :

0.5 million times -coupler fatigue test,   

1.5 million times-coupler fatigue test,

2 million times-coupler fatigue test,

3.5 million times-coupler fatigue test, coupler fatigue test



Product features: most suitable to connect two different size rebars

When storey connected, there may require to connect different sizes of rebars due to the design requirements. For example, the rebar used in basement is 32mm, but for the storey is 25mm, so how to connect this two different size rebars? JBCZ customize and design reducing coupler for clients which can easily solve this problem.

First, upset forge the end of the two different sizes of rebars, such as one rebar is 32mm and the other is 25mm, then process thread on the forged bar end.

Second, JBCZ customized reducing coupler, 50% of the thread is 32mm, and the other 50% is 25mm to match the rebar size above.

Third, to connect two rebars normally, the connection process can be finished within 35 seconds.


In order to make you learn more about reducing coupler, JBCZ international department takes the operation video for your reference.



Matched upset forging parallel thread connection——Coupler

We JBCZ factory produce upset forging parallel thread coupler , the standard type is from 12mm to 40mm, also manufacture 50mm,55mm,60mm superior large size according to client’s request.



Chinese standard coupler size table , coupler size and raw material can be designed according to client’s rebar property and request


Diameter of steel bar(mm)

Outer Diameter of coupler(mm)

Inner diameter of coupler(mm)

Length of coupler(mm)

Dimension of thread(mm)

12

20

11.9

30

M14*2.0

14

22

13.9

34

M16*2.0

16

26

17.4

40

M20*2.5

18

29

19.4

44

M22*2.5

20

32

20.9

48

M24*3.0

22

36

23.9

52

M27*3.0

25

40

26.3

60

M30*3.5

28

44.5

29.3

66

M33*3.5

32

50

31.8

72

M36*4.0

36

56

34.8

80

M39*4.0

40

62

40.3

90

M45*4.0


Test Report 



Matched upset forging parallel thread—Rebar thread processing machine

*Standard upset forging parallel thread processing machine.

                JBGD --150                                                                                       JBGZL  -45   


*CE Certificated upset forging parallel threading machine

*Semi automatic upset forging parallel threading machine

*Large power upset forging parallel threading machine

*Automatic European upset forging parallel threading machine


Project application

Our products can applied to bridge rebar splice, Nuclear power engineering rebar splice, Seawater desalination rebar connection, LNG project rebar splice, Metro rebar connection, High tower rebar connection, Viaduct rebar connection and etc.



Different connection method 

2》Adding length connection   

3》Right and left thread connection

4》Reducing connection     

5》Weldable connection 

6》Adjustable connection 

7》Epoxy reinforcing bar connection  

8》Terminal embedded bar connection 

9》Bar connection with big chamfering


We have American rebar connection, Chile rebar connection, Columbia rebar connection, Egypt rebar connection, UAE rebar connection, Australia rebar connection, Qatar rebar connection, Mexico rebar connection, ACI-318 Rebar coupler, AC-133 coupler, ICC-ES rebar coupler, type 2 rebar coupler, AC-133 coupler cyclic test, ACI-318 mechanical splice, American standard cyclic test rebar coupler, UK CARES rebar couplers, TA1-A test rebar coupler, TA1-B test rebar coupler, AFCAB rebar coupler, ISO15835 rebar coupler, Bartec  coupler, DCL approved rebar coupler, Slip test rebar coupler and etc.

Any rebar connection problem , please feel free to contact us. 






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