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Highlighted Companies

Piston Seal - China

price: contact company for price

The piston seal is a two-way seal, used in conjunction with two piston guide rings, and has a two-way sealing effect.

It is wear-resistant, high-pressure-resistant, has good sealing performance, and is easy to install.

It is used for double seals of pistons in reciprocating hydraulic cylinders and multiple groups of hydraulic cylinders.

It is an ideal seal in mining support.

Langnuo seal Product features

Low friction, even holding a long time, the campaign starting and moving smoothly;

Static and dynamic sealing performance is very good;

Easy to install;

Material parameters

Sealing ring

material: PU98A-68H136 O-Ring

P-material: NBR 70A-98C117

HFA fluid/water: -30℃~+100� �

pressure: ≤40Mpa

Linear velocity: ≤0.5m/s


Company Contact:


  • Phone: 17735743831

  • Address: Wanguo MOMA, Changfeng West Street, Wanbolin District, Taiyuan , Shanxi , China

  • Email: Email


Published date: February 13, 2025

  • Business Description: With innovation and quality cast industry model

    Founded in 2013

    The company is located in Linfen City, Shanxi Province, China.

    Since its establishment, the company has always adhered to the business philosophy of "innovation leads, quality first", focusing on the research and development, production and sales of various types of non-metal rollers, mining cable hooks, mining cable cleat, high-end hydraulic seals and explosion-proof seals and other rubber and plastic products, and gradually developed into a diversified, specialized and refined industry leader.

    Take technological innovation as the core driving force of enterprise development

    Non-metallic lube free rollers have obtained two patents.

    The company has a high-quality R & D team, they have rich industry experience and keen market insight, can accurately grasp the market demand and technology development trend.

    Through the introduction of advanced production equipment and technology at home and abroad, and constantly introduce new products with independent intellectual property rights to meet the diversified needs of customers.

    As a professional mining consumables supplier, the company is equipped with a total of more than 30 sets of professional production and testing equipment (including high-end sealing production equipment imported by Austria DMH company, a full set of the introduction of the company's die-free processing sealing production line).

    At the same time, the company also actively carries out industry-university-resea rch cooperation, establishes close cooperative relations with many universities and research institutions, jointly carries out technical research and new product research and development, and continuously improves the company's technical strength and market competitiveness.

    After the National safety production Shanghai Mining equipment testing and inspection center test, the company's non-metallic idlers product service life of more than 30000h, truly achieve stability, wear resistance characteristics.

    In terms of product quality

    We always adhere to the strict control of each production link, has passed the ISO14001 environmental management system certification, ISO45001 occupational health and safety management system certification and ISO9001 quality management system certification.

    The company has established a sound quality management system, from raw material procurement to production and processing, and then to product delivery, every link is strictly in accordance with national standards and industry standards.

    At the same time, the company has also introduced advanced testing equipment and methods to conduct comprehensive testing of product quality to ensure that every product meets customer requirements and expectations.

    With excellent product quality and excellent service, the company has won the trust and praise of our customers.

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