Twin Wall Elbow for Concrete Pump R275 90DGR

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100 pc
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3000 pc/month

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Product Description:


Twin Wall Elbow (Twin Wall Flange)


(1)   Material: Q235 (outside) + GCr15(inside)


(2)   Thickness: 3mm (outside) + 9mm (inside)


(3)   Technology: Quenching under high temperature


(4)   Characteristics: the inner rigidity to 63 HRC; the outside has so high toughness to keep the inner.


(5)   Matched with: Twin wall flange, Alloy (GCr15) + 20#


(6)   Working Pressure:170bar 


(7)   Service life: above 60,000 cubic meters.



(8)   Package: PP woven bag and plastic cap


Twin wall elbow is created with research of us and need of the market. Its service life and working pressure are better than the casting. Besides, We can supply 90D, 45D, 30D, 25D, 20D, 15D, 10D. And it can be used for PM, JUNJIN, Schwing, Cifa, Sany, ect.



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Q:If the concrete pump valve jam how to judge and deal with?
The method of hammering with a wooden hammer can be combined with a positive and reverse pump to make it clear; when the above method is invalid, the obstruction is serious
Q:Which is the best home made concrete pump car?
The second is heavy Futian Fortaleza, Xiangjian, Xugong, honedeli, the price is high, basically there is no big problem
Q:What are the preventive measures for concrete pump?
In order to ensure the continuity of pumping concrete operation, and ensure the quality of concrete pouring, the interval between the operations should not be too long, so as to prevent clogging.
Q:What is the farthest pumping distance of concrete pump truck?
Ground pump or air pump, the current delivery distance of the pump is 56, the ground pump can transport 300 meters
Q:What kind of concrete pump truck?
There is also called ground pump, also called electric pump. Power is powered by electricity. There are tyres that can be towed to the workplace by tractors. The cost of operation is relatively low
Q:What are the fittings of concrete pump?
Fine stone concrete pump parts are: main oil cylinder, concrete cylinder, three-phase asynchronous motor, main oil pump, hopper, S pipe, electric distribution cabinet, hand oil pump, piston
Q:How is the piping of the concrete pipe designed?
Vertical upward piping, the ground level pipe length shall not be less than 1/4 of the vertical pipe length, and shall not be less than 15m, or comply with the provisions of the product manual. A stop valve shall be provided at the root of the conveying pipe of the concrete pump Y - shaped pipe discharge port 3 - 6m, so as to prevent the concrete mixture from flowing back
Q:What is the name of the pump for concrete transportation?
The concrete name of concrete pump is concrete pump truck. Concrete pump truck is a kind of machine which can transport concrete along pipeline continuously by pressure. It is composed of pump body and conveying pipe.
Q:How to judge the concrete pipeline blockage?
Listen to the ear, there is rustling sound as normal, there is a piercing sound for the blockage
Q:What are the precautions for gas washing of concrete pump?
The valve must not be opened at once. It should be opened, closed, opened and carefully observed. It can only be opened when the concrete can flow smoothly

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