Polyurethane seals

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D-type ultra-high pressure large gap sealing element

Mainly used for pressure testing machines to test the pressure resistance of steel pipes. In a non-working state, there is a certain gap between the sealing element and the sealed surface; during operation, the sealing element is pressed against the outer periphery and tightly contacts the sealed surface to achieve sealing, conducting the water pressure test.

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Polyurethane seals

C-type ultra-high pressure ultra-large gap sealing element

The C-type ultra-high pressure ultra-large gap sealing element is composed of a sealing ring, a fan-shaped support block, and support angles. It is mainly used for pressure testing of steel pipes in hydraulic testing machines.

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Polyurethane seals

CD type ultra-high pressure large gap sealing element

The CD-type ultra-high pressure large gap sealing element consists of a sealing ring and a fan-shaped support block. It is mainly used for pressure testing of steel pipes in hydraulic testing machines.

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Polyurethane seals

PYG type sealing element

It is a flat sealing ring with a Y-shaped cross-section, specifically designed for the flat sealing of the water pressure test head and exhaust pressure test head of steel pipe hydraulic testing machines. During installation, it is required that the two flat surfaces make tight contact, and attention should be paid to the installation direction of the sealing ring.

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Polyurethane seals

Polyurethane Seals: Material Properties and Application Fields

Polyurethane seals have become an indispensable component in modern industry and life due to their excellent performance and wide range of applications. Understanding their material properties and application fields helps to better recognize and utilize this high-performance material.

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Polyurethane seals

The expert review meeting on the production and application of the main drive seal for domestic shield machines was held in Beijing.

On April 22, 2017, a review meeting for the production and application of domestic shield machine main drive seals was held at Beijing Jianke Huifeng Technology Co., Ltd. The meeting was jointly organized by China Communications First Navigation Bureau and Beijing Jianke Huifeng Technology Co., Ltd. Experts and leaders in attendance included Yun Jun, Chief Engineer of Beijing Urban Construction Group, Xue Zhengrong and Han Bo from China Communications Tianhe Group, and Yu Wei, Director of Beijing Zhengyuan Supervisory Company.

Keywords:

Polyurethane seals

Beijing Jianke Huifeng Technology

+86-18911865558

E-mail: sales@jkhfseal.com

Production Base: No.66 Tiangao Road, Anci District, Langfang City, Hebei Province

Address: No. 1-2926, East of Chaichang Village, Yongledian Town, Tongzhou District, Beijing (Lianhang Building)

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