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5"-4"*918mm adapter concrete pump reducer
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5"-4"*918mm adapter concrete pump reducer

product description

     5"-4"*918mm adapter concrete pump reducer 




1. Parameter :


    Material: st52

    Weight: 17kg (6mm with SK flange)

    Processing way : Hot expanding

    Size: 5"-4"*918mm (other size aslo can produce)

    Flange type : SK ( HD,ZX,MF can do)

    Referece lifetime: 20000CBM.

    Connection type : clamp 

    Cleaning way : use cleaning ball  


2. Standard SK flange type: 

This type flange reducer pipe can apply for mostly of concrete pump, Such as Junjin,KCP,SANY,ZOOMLION,CIFA,PUTZMEISTER etc.


3. HD flange type: 

This type reducer pipe mostly used for USA,MEXICO,CANADA market.


4. Ohter size we can produce according to your requirments:



Model Specifications Thickness Weight Flange type Flange size
6"-5" 6"-5"*500mm 7mm 12kg SK-SK SK205-SK148mm
5"-4" 5"-4"*620mm 6mm 12kg SK148-SK124mm
5"-4"*918mm 6mm 17kg
5"-4"*1950mm 7mm 35kg
5"-3" 5"-3"*1000mm 6mm 14kg SK148-SK97mm
4"-3" 4"-3"*600mm 6mm 8kg SK124-SK97mm
4"-3"*918mm 6mm 13kg
4"-3"*1200mm 6mm 18kg
4"-2" 4"-2"*1200mm 6mm 13kg SK124-SK67mm


Packaging & Shipping

 5. Packing : 

     (1). Pipe outside packing with  Plastic bags and caps to protect surface and flange.

     (2). Packing in wooden case, 50 pcs per I CBM wooden case, Fit for LCL goods, qty less than 250 pcs.

     (3). More than 500 pcs can put in bulk .

Our Services

Dedicated to provide customers with one-stop concrete pump accessories procurement services.
Shandong TongDuoBao Mechanical equipment co.,Ltd
 is one of the leading concrete pump Parts manufactures in china, being in this filed for over 9 years.

(1) .Our products include delivery pipes, elbows, reducers, couplings, rubber hoses, cleaning ball and so on. 

(2).Our products can used for  most of concrete pump, SCHWING , PUTZMEISTER, KYOKUTO, SANY, ZOOMLION, CIFA etc.

(3). Free sample can be provide to test.

(4). Under normal use, if the flange drops, can exchange for free.

We are professional manufacturer of concrete pump hose and concrete pipe and other spare parts for concrete pump for more than 10 years, customers 

come from America, Malaysia,Australia, India, Pakistan,etc,


   1. Are you manufacturer ?

     Yes, we are manufacturer and we had in this field for more than 10 years.

2. Do you have any product guarantee?

     Under normal operation, our pipe can reach 12000-18000 cubic meters.Such as short of free exchange.

3. Delivery time:

    Quantity less than 250 pcs  4 days; 250*500 pcs  7 days, 500 pcs~ 10 days.

4. Payment terms:

    T/T,LC,WEST UNION etc, 30% deposit,the belance before shipment.




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