In precision sealing applications, the performance of a seal does not depend only on the surface roughness (Ra, Rz, Rt) of the mating parts — surface hardness and treatment are equally critical. An optimal combination of surface finish, hardness, and coating ensures consistent contact pressure, minimizes wear, and extends service life. Improper surface conditions, on the other hand, often lead to leakage, abrasion, or premature seal failure. Importance of Surface Hardness Surface hardness...

Komatsu Loader Cylinder Kits (OEM Alternative) Loaders require durable cylinder seals for lifting, dumping, and steering functions. We supply Komatsu loader repair kits compatible with a wide range of models. <td class="border-t-bModel     Part Number       DescriptionD65E-12C  707-98-28600 SERVICE KIT,LIFT CYLINDERD65E-12C 707-98-52140 SERVICE KIT,TILT CYLINDERD65E-12C 707-98-52130 SERVICE KIT,RIPPER CYLINDERD65E-12C 707-98-40020 SERVICE KIT,TRIMMING CYLINDER...

Industrial operations relying on Nordson UM22, UM25, and UM50 melt valve controllers for precision fluid dispensing demand continuous, stable operation. XHH Seals, with over 15 years of expertise in high-performance sealing solutions (ISO 9001 certified), offers a fully compatible and performance-optimized alternative to the Nordson Rebuild Kit 1049908. This replacement solution is engineered to match the dimensional accuracy and functionality of the OEM kit while utilizing enhanced material...

Komatsu Bulldozer Seal Kits (Replacement Parts) Bulldozer cylinders face extreme workloads. Our aftermarket Komatsu bulldozer seal kits cover lift, tilt, and ripper cylinders.Model Part Number DescriptionD65E-12C 707-98-28600 SERVICE KIT,LIFT CYLINDERD65E-12C 707-98-52140 SERVICE KIT,TILT CYLINDERD65E-12C 707-98-52130 SERVICE KIT,RIPPER CYLINDERD65E-12C 707-98-40020 SERVICE KIT,TRIMMING CYLINDERD65-PX-15E 707-99-25880 SERVICE KIT,LIFT CYLINDERD65-PX-15E 707-98-28640...

In the world of industrial sealing technology, the choice of rubber material determines the performance, durability, and reliability of the final seal. From automotive engines to semiconductor vacuum chambers, each application requires a specific balance of chemical resistance, temperature capability, elasticity, and cost efficiency. This comprehensive guide introduces the 16 most common rubber materials used in sealing applications — detailing their core properties, temperature ranges, and...

XHH Seals Exhibition Announcement: PTC ASIA 2025 Exhibition Name: Power Transmission and Control (PTC ASIA 2025) Dates: 28–31 October 2025 Venue: Shanghai New International Expo Centre, China As a professional seal manufacturer and global exporter with over 15 years of expertise in high-performance sealing solutions. We specialize in providing durable, precise, and cost-effective sealing solutions. Our latest technologies and products across key categories, including:Hydraulic Seals...

Application Challenge: Stringent Demands for High-Precision Sensor Protection LiDAR scanners mounted on autonomous platforms (UAVs/UGVs) must maintain centimeter- or even millimeter-level accuracy in highly hostile environments. The rotating bearing, as the core dynamic component, directly confronts the following engineering challenges:Wear and Dust Contamination: High-concentration dust in mining and construction poses a severe wear threat to conventional seals. Any particle ingress into...

What Are Hammer Union Seals? Hammer unions are critical pipe connectors used in oilfield systems for transferring high-pressure fluids such as drilling mud, crude oil, and fracturing fluids. Each hammer union connection relies on a precision-engineered seal ring to ensure a leak-free joint under extreme pressure and temperature conditions. At XHH Seals, we manufacture high-performance hammer union seal rings designed to provide reliable sealing in harsh environments—up to 15,000 psi. XHH...

XHH Seals offers a precision-engineered replacement sealing solution compatible with Nordson P/N 7136920 Gear Pump Service Kit. This sealing kit is designed for Nordson gear pump shafts with a 12.7 mm diameter, covering serial ranges SN0371 to SH0773 and DN0093 to DN0773. Each seal is manufactured to exact tolerances and designed for high-temperature, adhesive-resistant environments commonly found in hot melt and coating equipment.Product FeaturesDirectly compatible with Nordson OEM...

XHH Seals provides a replacement sealing repair kit for Nordson P/N 7143146, fully compatible with the TrueCoat® Control Module used in Nordson coating and adhesive systems. We provide precisely matched sealing elements utilizing superior materials suitable for high-temperature hot melt adhesive applications. Our objective is to assist customers in achieving high performance, extended service life, and significant cost optimization in equipment maintenance. 1. Technical Advantages of XHH...

Compatible with P/N 7162043 Module Body & 7173117 Seal Service Kit We provide high-precision, cost-effective replacement components for the Nordson® Speed-Coat® 24V Booster Control Module (ref. P/N 7162080). Our upgraded components are engineered to improve wear resistance, sealing reliability, and long-term performance in continuous hot-melt dispensing environments. 1. Upgraded Replacement Module Body  (Compatible with P/N 7162043)Our module body is machined from aerospace-grade...

1. Overview: The Two Critical Sealing Points of the JC Carter 50E701 Nozzle The JC Carter 50E701 series nozzle (including models 50E701-1, -2, and -3) is a standard-issue component in LNG (Liquefied Natural Gas) fueling infrastructure worldwide. Its operational reliability and safety depend entirely on two critical cryogenic sealing components. According to the official service manual's troubleshooting guide, nozzle leakage can be traced to two primary failure points :An external seal that...