Waterproof Sleeve – Cangzhou Huairong Pipeline Equipment Co., Ltd.

PRODUCT PARAMETERS

The Waterproof Casing (also known as Wall Penetration Casing or Embedded Casing) is a core protective and water-blocking component in pipeline systems when pipes pass through building walls (e.g., basements, pools, external walls). It is mainly classified into rigid and flexible types.

Its primary functions are to secure the wall-penetrating pipeline, prevent wall cracking caused by pipe vibration, and block water seepage paths via water-stop rings or rubber sealing rings, thus avoiding leakage. It is an indispensable embedded part in water supply & drainage, municipal, and industrial building projects.

Application Fields: Widely used in municipal engineering, high-rise buildings, underground garages, wastewater treatment plants, petrochemical complexes, power station pump rooms, water plant pools, and metallurgy & mining projects. Suitable for embedding pipelines such as water supply, drainage, fire protection, and industrial process pipes through walls—especially for underground and humid environments requiring waterproofing, anti-seepage, and vibration protection.

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Description

Item	Specification
Product Size	Common specifications: DN15 to DN1200 (1/2″ to 48″), supporting customization according to actual needs.
Pressure Rating	PN6 to PN25 / Class 150 (meets the pressure requirements of most industrial scenarios).
Manufacturing Standard	Complies with international standards such as GB, ANSI, DIN and JIS, ensuring stable performance and reliable quality.
Material	Including carbon steel, stainless steel, alloy steel, pipeline steel, low-temperature steel, duplex steel, etc., suitable for different working conditions and medium characteristics.
Surface Treatment	Including pickling passivation, anti-rust oil coating, painting, hot-dip galvanizing, sandblasting, etc., customized according to customer requirements.
Origin	China
Connection Method	Embedded casting (combined with the wall), after pipeline installation, it adopts packing seal (rigid type) or pressure plate fixation (flexible type) to ensure connection stability.
Temperature Range	-20°C to +450°C; the specific temperature range varies according to the product material and actual application scenario.

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