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1. High sealing flexible metal waterproof cannula introduction: 

High sealing flexible metal waterproof cannula is applicable for pipe through the wall of the vibration or structure requirement is tight waterproof, general manufacturing enterprise produce the waterproof casing according to the construction science research institute of design S312, 02 S404 standard atlases. In case the wall where the flexible metal waterproofing cannula needs to pass through is not concrete, it should be switched to concrete walls, and the casing must be a set in the wall; Flexible waterproofing cannula is widely used in construction, chemical, steel, water, sewage treatment etc.

       Generally, casing should be used when doing the pool, it is the channel pipeline leads to the pool. But ordinary casing is difficult to seal, thus there will be leakage between casing and pipeline, between the casing and the wall is easy to leak. Waterproof cannula only solves the leak between the casing and wall, also can solve between casing and tube seal.

        Our tenet: your trust is our honor and we will manufacture high- quality products for you.

        we can design and make the products according to your drawings and techincal requirements.The quality is better and the price is more reasonable than the similar products by another company making.

2.Structure diagram and material list:

3. High sealing flexible metal waterproof cannula basic dimension

Notes: if other satandard requirement or special flange need particularly customer made , please provide written drawing , standard , data , we can make customer-made for you .

4. Attention

               1.generally,waterproof casing pass through walls where shock exists and strict waterproof is needed.

               2.when case needs to pass through,it meeting non-concrete walls,the walls shall be rebuilt by concrete,the cast concrete area shall be over 200mm,and the case shall be cast inside walls one-off.

               3.the DN thickness sizes shall be based on clients' demand.remember to clearly write diameter,pipe exterior diameter and wall thickness,ect.

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Thanks for your attention. For more information, please feel free to contact me.

• Henan Liwei Industrial Co., Ltd.

  Address:No.68,Mengjin Road,Shangjie District,Zhengzhou,Henan,China

• Tel:+86-0371-67447999    

• Fax:+86-0371-67447888

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• Contact:Melody