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Nigeria Kenya Cameroun Italy Iran culvert balloon pneumatic tubular form for drain construction

Categories pneumatic tubular forms
Brand Name: BLESS
Model Number: dia200--3000m
Certification: ISO9001
Place of Origin: China
MOQ: 2piece
Price: USD 500-1000/pc
Payment Terms: T/T, Western Union
Supply Ability: 1000pcs/week
Delivery Time: one week
Packaging Details: woven bags, wooden cases
material: rubber and nylon fabric
cross-section: round, rectangle,square,oval,etc.
diameter: 200-3000mm
length: 3---30m
thickness: 3.2/5.2mm
hardness: 65shore A
tensile strength: >12mpa
working pressure: 0.02--0.08mpa
elongation at break: >350%
color: black
working times: 60-80times
function: Nigeria Kenya Cameroun Italy Iran culvert balloon pneumatic tubular form for drain construction
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    Nigeria Kenya Cameroun Italy Iran culvert balloon pneumatic tubular form for drain construction

    Nigeria Kenya Cameroun Italy Iran culvert balloon pneumatic tubular form for drain construction

    PNEUMATIC TUBULAR FORMWORK

    Pneumatic tubular formwork, also called culvert balloon, is used for making concrete pre-casting formwork projects in culvert bridge construction.

    Nigeria dia600mm inflatable rubber balloon for culvert construction (600mm diameters)

    Material:

    Pneumatic tubular formwork is made from natural rubber and fabric. In general, rubber balloon is formed by three layers(1+2=2layers of rubber and 1 layer fabric): inner layer is high strength synthetic polymer fabric withstanding the force from concrete and air pressure. Outer layer is vulcanized rubber. Rubber hardness is about 65Shore A to keep its excellent features, such as soft, durable,wear-resistance.

    If your concrete slab is thicker, the rubber balloon should be manufactured in 2layers of fabric and 3layers of rubber(2+3).


    Standard specification

    1. diameter from 0.2m to 3m,(round)
    2. total length from 1m to 28m(round)
    3. other specifications are also available according to clients’ request.


    Technical Parameters

    ItemsIndex
    Terence of Thickness, mm

    3.2±0.2

    Hardness(Shore A)65±5
    Adhesive tension of rubber and fabric,N/25mm≥8
    Tensile strength, M pa≥12
    Elongation at break, %≥350
    300% Stretch set length, M Pa6
    Stretch for deformation ratio≤20 %(Prevent distortion)
    Suitable temperature,°C-10~80
    AppearanceNo cracks, no bubbles on the surface;
    the length of impurities trace is not more than 3mm;
    the depth is not more than 1.5mm;
    the quantity of the trace is not more than one;
    the deformation is not more than 2mm.

    Working Pressure


    Diameter(mm)Pressure(Mpa)
    1500.08
    160~1900.08
    200~2200.07
    2300.06
    240~2800.05
    300~3700.045
    380~4800.04
    500~5200.035
    550~6000.03
    620~6800.025
    7000.02

    Characters:

    1)Design scientific and reasonable

    Concrete culvert casting with pneumatic tubular form can meet the requirement of design, easy operation, save work, save time, save material.

    2)Have good ageing resistance performance and long service life

    Pneumatic tubular form is made from synthetic rubber, natural rubber and strengthen fabric, It has good strength, elasticity and flexibility, so it can be used in all kinds of working conditions.

    3) Widely working temperature , -10℃~+80℃.

    4)For building light-duty construction provides favorable conditions to stress hollow concrete component, due to the rubber mandrel, the weight than use stress solid component light 20%, so it can reducing the weight of the upper structure of building, can make the pile foundation short, increase span, make the construction become simple and safety.

    5)Construction technology is simple, safe, health, use it only need a few simple tools, without special process.


    Nigeria Kenya Cameroun Italy Iran culvert balloon pneumatic tubular form for drain construction

    Quality Nigeria Kenya Cameroun  Italy  Iran culvert balloon pneumatic tubular form for drain construction for sale
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