High Pressure Concrete Pump Rubber Seal Ring

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Product Description:

Concrete Pump Rubber Seal

  1. Name

Rubber Gasket  

Polyurethane Gasket

 2. Specifications

DN50 (2inch) DN80 (3 inch)

DN100(4inch) DN125(5 inch)

DN150(6inch) DN180(7 inch) DN200(8 inch)

Other sizes and types upon request

 3. Application

Used for sealed, used in concrete pump truck,concrete pump andpipeline connection seal in construction work equipment.


Corrosion resistance, high temperatureresistance, abrasion resistance.


1. If you need, we can send free samples.

2. A variety of types product can be customize.

3. Free replacement of products which have any quality problem .

4. Reasonable price and high quality with ISO certification .

5. The delivery time we can make sure.

6. We are OEM, we can aslo accept ODM .

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Q:How to distinguish between silicone hose and rubber tube by appearance?
Silicone hose is relatively soft, flexible, and looks better than other rubber tube gloss, color is mostly red, blue, translucent and other colors. Others, such as three yuan ethylene propylene and nitrile rubber hose, are basically black.
Q:How to improve the hardness of rubber?
1. selection of high Mooney rubber (high molecular weight);2., increase the dosage of reinforcing agent, or choose the reinforcing agent with high structure and large specific surface area;3. reduce the amount of plasticizer, softener, or use viscosity high plasticizer;4. proper increase of gum content;5., improve the degree of cross-linking (increase the amount of vulcanizing agent, appropriately prolong the curing time, etc.);6., use stiffening resin, high styrene and other hardening agent;7. rubber and plastic combination;8. reduce plasticizing and prevent over refining;
Q:PVC conveyor belts and rubber belts differ from each other in their respective advantages
PVC is actually a vinyl polymerization substance, whose material is a non crystalline material. PVC materials often use stabilizers, lubricants, auxiliary processing agents, pigments, anti shock agents and other additives in practical use. Is not flammable, high strength, excellent resistance to climate variability and geometric stability. PVC has strong resistance to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is also not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons.
Q:What is the composition of the vulcanizing agent for silica gel?
Vulcanizing agent is organic peroxide, or bridging agent, used for curing silicone rubber (Xi Likang), EVA and curing of unsaturated polyester.
Q:Excuse me, what is in the rubber rubber, glue them, what is the difference?
A nearly neutral liquid produced by a rubber tree and added with 0.05%~0.1% ammonia water to make latex (for a short period of time). Most of the latex need processed dry glue, all kinds of natural rubber is often said. Including raw natural rubber and synthetic rubber, mainly has the following varieties: natural rubber commonly used smoke sheet rubber, standard rubber; synthetic rubber commonly used with SBR, polybutadiene rubber, butyl rubber. A small amount of special glue is made of neoprene and nbr.
Q:Is it necessary to use rubber products for steel structure buildings?
There must be a rubber cushion for the gear of the crane beam, and there is also a rubber cushion between the crane track and the crane beam. Of course, not all deformation joints are rubber, depending on how to choose the design node.
Q:How do ordinary NBR and EPDM materials differ?
Nitrile rubber (NBR) is composed of butadiene and acrylonitrile was prepared by emulsion polymerization, nitrile rubber by emulsion polymerization at low temperature, excellent oil resistance, high wear resistance, good heat resistance, strong adhesion. Its disadvantages are low temperature resistance, poor ozone resistance, poor insulation properties, and slightly lower elasticity. Nitrile rubber is mainly used in the manufacture of oil resistant rubber products.
Q:What about rubber molding, foaming and layering?
Return the glue (the rubber has not been used up after heat treatmentThe glue and the new rubber are mixed together to heat up, and the remaining glue is called a return glue. When the mixture is mixed with the new rubber, the mixture is uneven and the degree of vulcanization is not uniform, resulting in delamination
Q:Does it work in a rubber factory that causes skin irritations?
Rubber: early rubber is obtained from rubber trees, rubber, grass and other plant latex, processed by the elastic, insulating, impermeable and air material. High elastic polymer compound. It is divided into two kinds: natural rubber and synthetic rubber.
Q:What is the tensile strength of silicone rubber?
The main characteristics of silicone rubber:High and low temperature performance, the range is -100-300 degrees centigrade.Ozone aging, heat resistance, oxygen aging and weather aging are good.The electric insulation performance is good, can do high-grade insulation products.It has excellent biomedical properties, non-toxic and tasteless.Good sealing performance.

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