エム・オー・テック List of Products and Services

Hallite CT Heavy-Duty Cap Seals are ideal for harsh applications such as construction and mining machinery. The combination of HLX's high-quality fluoropolymer Armorelene material cap and elastomer energizer, along with a MoS₂-filled PA material backup ring, provides excellent extrusion resistance and extended service life. 【Features】 - Perfect for heavy-duty applications - Superior high-pressure capability - Compact design - Low friction - Long service life - Wide range of material options suitable for various applications Hallite is a group company of Michelin.

Hallite P54 is a compact, high-performance piston seal that has been used for many years in applications where performance is critical, such as construction machinery, machine tools, material handling, and agricultural machinery. The combination seal structure of HLX's high-quality fluoropolymer Armorelene material cap and O-ring excels in wear resistance and anti-extrusion properties, allowing for smooth operation by suppressing stick-slip phenomena. The seal side features a pressure notch that adapts to rapid changes in pressure direction, preventing leakage caused by blow-by phenomena. **Features** - No stick-slip - Low starting and dynamic friction - Ideal for high-speed applications - Compact piston design - Seal rings can be machined to various sizes - The pressure notch optimizes the seal for various pressures Hallite is a group company of Michelin.

Hallite P94 is suitable for applications where demanding performance is emphasized, such as injection molding machines, machine tools, and material handling. The combination seal structure of the trapezoidal-shaped cap and O-ring made from HLX's high-quality fluoropolymer Armorelene material converts the system pressure into optimal surface pressure on the sealing counterpart, demonstrating excellent sealing performance. Additionally, tension is generated to relieve compressive stress in the overflow gap, significantly improving overflow resistance, allowing for larger designs of the overflow gap. 【Features】 ■ No stick-slip ■ Low starting and dynamic friction ■ Excellent sealing performance in both static and dynamic conditions ■ Sealing rings can be machined up to 2700mm in size ■ Allows for larger overflow gaps without compromising sealing performance Hallite is a group company of Michelin.

The Hallite GPS piston seal, made from high-performance Armorlene HLX fluoropolymer seal rings, incorporates an X-ring within an O-ring combination designed for double-acting pistons, optimizing performance and durability. The structure allows the Armorlene fluoropolymer seal ring to withstand system pressure while the X-ring functions as a secondary seal, providing low friction and excellent sealing capabilities. The standard GPS seal features a pressure notch on its side, making the seal design highly responsive to changes in pressure and direction. 【Features】 ■ Excellent separation of two types of fluids under pressure ■ Compact design and groove structure compatible with Hallite P54 ■ Low starting friction and suppression of stick-slip ■ The use of X-rings and O-rings maximizes seal response under all pressure conditions, achieving the best performance Hallite is a group company of Michelin.

The Hallite GP2 piston seal, made of high-performance Armorlene HLX fluoropolymer, incorporates an X-ring and combines two O-rings to optimize performance and durability for double-acting piston seals. The structure allows the Armorlene fluoropolymer seal ring to withstand system pressure while the X-ring functions as a secondary seal, providing low friction and excellent sealing capability. The GP2 is suitable for heavy-duty systems with larger diameters than the GPS. 【Features】 ■ Excellent sealing performance for two types of fluid separation ■ Low starting friction and suppression of stick-slip ■ Compatible with higher pressures than GPS ■ By using an X-ring and two O-rings, it maximizes seal response under all pressure conditions, achieving the best performance. Hallite is a group company of Michelin.

Hallite P16 is a low-friction piston seal designed for single-acting applications, particularly effective when smooth movement and positional accuracy are required. Its design eliminates the possibility of stick-slip, and with very low sliding friction, it is suitable for high-speed applications. The P16 piston seal features a tandem arrangement using a specially blended fluoropolymer material called Armorlene, making it suitable for sealing in high-frequency and long-stroke applications. 【Features】 ■ Low starting friction and suppression of stick-slip phenomena ■ Excellent stability during high-speed motion and at rest ■ Superior wear resistance and good anti-extrusion characteristics ■ Ability to absorb pressure spikes Hallite is a group company of Michelin.

Hallite PDS is a low-friction piston seal for double-acting applications that accommodates compact O-ring grooves, expanding the range of applications that could not be addressed by O-rings alone. The PDS is designed to be used in existing motion O-ring grooves without the need for machining the grooves. Hallite's high-performance fluoropolymer material, Armorlene HLX, offers excellent wear resistance and anti-extrusion properties, making it compatible with a wide range of temperatures and media. 【Features】 ■ Compact design reduces hardware ■ Designed to minimize stick-slip with low starting friction ■ Suitable for pneumatic cylinders and light hydraulic cylinders ■ Compatible with AS568 motion O-ring grooves ■ Conforms to MIL-G5514F ■ Recommended for light-duty and small-diameter applications Hallite is a group company of Michelin.

Hallite PCA is a double-acting piston seal that demonstrates excellent performance in both high and low-pressure systems. PCA is suitable for various hydraulic and pneumatic double-acting applications. Its compact groove design allows for the use of narrow pistons. Hallite's high-performance fluoropolymer material, Armorlene HLX, offers excellent wear resistance and anti-extrusion properties, along with compatibility across a wide range of temperatures and media. 【Features】 ■ Low starting friction and elimination of stick-slip phenomenon ■ Compact design saves on metal components ■ High-temperature resistance, long lifespan, and anti-extrusion properties ■ Compact design reduces the size of the mounting groove Hallite is a group company of Michelin.

The Hallite compact design piston seal PCG provides an ideal sealing solution when housing space is limited. Hallite's high-performance fluoropolymer material Armorlene HLX offers excellent wear resistance and anti-extrusion properties, with compatibility across a wide range of temperatures and media. 【Features】 ■ Eliminates low starting friction and stick-slip phenomenon ■ Saves metal components through compact design ■ High temperature resistance, long lifespan, and anti-extrusion properties Hallite is a group company of Michelin.

Hallite G54 is a double-acting, O-ring combination, low-friction piston seal that performs well in both high-pressure and low-pressure systems. The design of the G54 features square-cut edges and is made from Hallite 701 glass-filled fluoropolymer high-performance Armorlene material. Hallite G54 has been successfully used for many years in challenging applications in construction machinery, machine tools, material handling, agricultural machinery, and other industries, proving itself as a compact double-acting piston seal solution. 【Features】 ■ Saves hardware due to compact design ■ High-temperature resistance, wear resistance, and excellent extrusion resistance ■ Effective pressure on O-ring and face ring ■ Suitable for high-pressure applications Hallite is a member of the Michelin Group.

Hallite PFR features a chamfered primary sealing surface and is combined with a rectangular elastomer energizer. Generally, rectangular energizers are preferred for heavy-duty applications due to their excellent interference and stability in grooves. Hallite's high-performance fluoropolymer material, Armorlene HLX, offers outstanding wear resistance and anti-extrusion properties, along with compatibility across a wide range of temperatures and media. It is designed to conform to the housing sizes of ANSI B93.32-1973 and NFPA T3.19.18. 【Features】 ■ Precision machined bronze/PTFE cap ring ■ High-strength compression molded material ■ Corner chamfering for ease of assembly ■ Low friction, non-stick slip ■ A wide variety of materials available Hallite is a group company of Michelin.

Hallite 780 consists of a nitrile rubber seal, two split support rings, and two split L-shaped wear rings located on both sides of the seal. The nitrile rubber seal is highly wear-resistant and is designed with multi-lips to minimize friction at low pressure while efficiently performing dynamic sealing. It features a simple groove design that makes assembly easy. 【Features】 ■ Excellent position retention under pressure ■ Extremely high performance in various applications using hydraulic oil ■ Compatible with various tube surface finishes ■ Outstanding wear resistance ■ Low friction Hallite is a group company of Michelin.

Hallite 714 is a combination seal made of glass fiber reinforced nylon (GFN) and rubber energizer, known for its excellent wear resistance. The face seal surface features a step cut, making assembly easy and improving conformity to the cylinder bore at low pressure. Due to its superior wear resistance and anti-extrusion properties, it is suitable for applications that pass through pressure ports. **Features** - Usable for applications that pass through port holes - High-pressure capability - Static load retention capability - Excellent wear and scratch resistance - Replaceable piston rings for double-acting telescopic cylinders - Easy assembly due to the chamfering of the seal face and energizer shape - Excellent sealing performance during both static and dynamic conditions Hallite is a group company of Michelin.

Hallite 777 is a combination piston seal made of durable and abrasion-resistant thermoplastic polyurethane face seals and corner rings. The two-lip seal design allows fluid to form between the lips, reducing starting friction and sliding friction. 【Features】 ■ High temperature and high pressure performance ■ Fits standard industry grooves ISO 7425-1 ■ Stable design that does not twist even under long stroke conditions ■ Low starting friction ■ Strong resistance to wear ■ Easy to assemble ■ Load retention capability ■ Optimal for use with Hallite 506 or 87 wear rings Hallite is a group company of Michelin.

Hallite 730 is a double-acting piston seal composed of four parts. It features a robust and wear-resistant thermoplastic polyester elastomer (TPE) face seal, integrated with a nitrile rubber energizer. The face material can be offered in a variety of options, including lubricated polyester and PTFE. 【Features】 ■ Excellent position holding capability under load ■ Ideal for long wall coal mining applications ■ Compatible with water-based oil HFA ■ Resistance to high pressure and shock loads ■ Proven performance with roller burnish and honing finishes *For more details, please refer to the PDF document or feel free to contact us. Hallite is a group company of Michelin.

Hallite 754 is a combination piston seal made of a tough and wear-resistant thermoplastic elastomer face seal and an NBR O-ring. 【Features】 ■ Excellent position holding capability under load conditions ■ Low starting friction and low operating friction ■ Outstanding wear resistance ■ High resistance to contamination ■ Quick recovery to original size after face seal assembly ■ Compatible with most operating fluids ■ Suitable for a relatively wide range of surface roughness ■ Optimal use with Hallite 506 or 87 wear rings Hallite is a group company of Michelin. *For more details, please refer to the PDF document or feel free to contact us.

Hallite 764 demonstrates excellent performance even in single-acting applications due to its advanced face design. It is composed of a robust, wear-resistant thermoplastic polyurethane face seal, with an NBR O-ring included. The narrow seal groove width allows for the use of narrow pistons. 【Features】 ■ Performance comparable to single-acting seals despite being a double-acting seal ■ Enhanced sealing capability during both movement and rest due to cutting-edge face design ■ Excellent wear resistance and anti-extrusion properties ■ High resistance to contamination ■ Quick restoration to original size after face seal assembly ■ Compatible with relatively wide surface roughness ■ Optimal for use with Hallite 506 or 87 wear rings *For more details, please refer to the PDF document or feel free to contact us. Hallite is a group company of Michelin.

The Hallite piston seal 606 effectively provides sealing for bores in light and medium-duty applications. It covers most standard housings used in Europe, North America, and Asia. It is designed to interfere with the grooves of the seal housing. The outer dynamic lip is shorter and is designed more robustly to improve sealing performance and compression set characteristics compared to conventional symmetrical U-rings. The 606 is molded from Hallite's high-performance polyurethane, Hythane 181, making it easy to install and providing excellent low-temperature performance. 【Features】 ■ General-purpose seal ■ Robust design ■ Excellent wear resistance ■ Functions properly over a wide temperature range, highly effective even at low temperatures ■ Easy to assemble *For more details, please refer to the PDF document or feel free to contact us. Hallite is a member of the Michelin group.

Hallite 659 is designed to interfere with the piston seal groove diameter and features a secondary lip. The secondary seal lip, positioned behind the primary seal lip, enhances the stability of the seal within the piston. The outer dynamic lip is shorter and is designed more robustly to improve sealing performance and compression set characteristics compared to conventional symmetrical U-rings. The 659 is molded from Hallite's high-performance polyurethane, Hythane 181, making it easy to install and providing excellent low-temperature performance. 【Features】 ■ Robust design ■ Excellent wear resistance ■ Improved seal stability ■ Functions properly over a wide temperature range, highly effective even at low temperatures ■ Protection of the primary seal lip ■ Easy assembly Hallite is a group company of Michelin. *For more details, please refer to the PDF document or feel free to contact us.

Hallite 601 is a high-performance, general-purpose, single-acting U-ring rod or piston seal. It provides excellent sealing performance in light and medium-duty applications. When used in conjunction with the appropriate backup ring, it can also be used in heavy-duty applications, and the sealing lip is cut at an angle to achieve optimal sealing performance. 【Features】 ■ Versatile seal ■ Excellent scratch resistance ■ Good lip conformity ■ Superior heat resistance ■ Precisely trimmed lip ■ Easy to assemble Hallite is a group company of Michelin. *For more details, please refer to the PDF document or feel free to contact us.

The Hallite Unitized Piston 720 is a cost-effective alternative to traditional piston assemblies that install seals and wear rings separately. By molding the wear ring material to the outer diameter of the piston, a very tight fit between the piston and the cylinder bore is achieved. The steel piston body is machined to precise dimensions. 【Features】 ■ Maximum bearing width relative to piston width ■ Compatible with many cylinder bore finishes ■ Improved resistance to lateral loads ■ Reduced fluid contamination ■ Minimizes metal-to-metal contact, extending lifespan ■ Compact piston design allows for extended stroke and reduced cylinder length ■ Improved supply chain management through reduced warranty claims, enhanced manufacturing capability, and decreased inventory Hallite is a group company of Michelin. *For more details, please refer to the PDF document or feel free to contact us.

The backup rings for U-packing piston seals and rod seals demonstrate excellent performance in harsh applications with high pressure, high temperature, and frequent pressure spikes. POK (polyketone) is the only engineering plastic primarily composed of carbon that has a high degree of crystallinity and a dense crystalline structure. It is a highly differentiated thermoplastic engineering polymer with excellent chemical resistance, impact resistance, friction properties, and barrier characteristics.