{"id":445,"date":"2025-10-21T14:06:27","date_gmt":"2025-10-21T14:06:27","guid":{"rendered":"https:\/\/spartaseal.com\/?page_id=445"},"modified":"2025-10-21T14:24:47","modified_gmt":"2025-10-21T14:24:47","slug":"ptfe-spno","status":"publish","type":"page","link":"https:\/\/spartaseal.com\/zh\/ptfe-spno\/","title":{"rendered":"\u805a\u56db\u6c1f\u4e59\u70ef SPNO"},"content":{"rendered":"
\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

\u805a\u56db\u6c1f\u4e59\u70ef SPNO<\/h1><\/div>\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

PTFE SPNO(step seal) sealing rings are designed to restrict oil flow by eliminating the straight path of leakage. This helps to prevent leaks and ensure that the cylinder operates smoothly and efficiently. These rings are available in several side-face and coating options, and they meet DIN and JIS standards. If you are looking for a reliable sealing solution for non-critical applications, step seal sealing rings may be a good choice.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t\t
\n\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\u805a\u56db\u6c1f\u4e59\u70ef\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

\u805a\u56db\u6c1f\u4e59\u70ef SPNO\uff08\u9636\u8dc3\u5bc6\u5c01\uff09\u5bc6\u5c01\u73af\u7684\u57fa\u672c\u539f\u7406
If you’re looking for a reliable solution for non-critical sealing applications, PTFE SPNO(step seal) sealing rings might be the right choice for you. These sealing rings are designed to restrict oil flow by eliminating the straight path of leakage.<\/p>

\u805a\u56db\u6c1f\u4e59\u70ef SPNO\uff08\u9636\u8dc3\u5bc6\u5c01\uff09\u5bc6\u5c01\u73af\u6709\u591a\u79cd\u4fa7\u9762\u548c\u6d82\u5c42\u53ef\u4f9b\u9009\u62e9\uff0c\u7b26\u5408 DIN \u548c JIS \u6807\u51c6\u3002\u5b83\u4eec\u901a\u5e38\u7528\u4e8e\u6d3b\u585e\u548c\u6db2\u538b\u7cfb\u7edf\u4ee5\u53ca\u9f7f\u8f6e\u7bb1\u548c\u6cf5\u3002.<\/p>

\u805a\u56db\u6c1f\u4e59\u70ef SPNO\uff08\u9636\u8dc3\u5bc6\u5c01\uff09\u5bc6\u5c01\u73af\u7684\u4e3b\u8981\u4f18\u52bf\u4e4b\u4e00\u662f\u5176\u5353\u8d8a\u7684\u53ef\u9760\u6027\u3002\u5b83\u4eec\u53ef\u627f\u53d7\u6076\u52a3\u7684\u5de5\u4f5c\u6761\u4ef6\uff0c\u4f7f\u7528\u5bff\u547d\u957f\u3002\u6b64\u5916\uff0c\u5b83\u4eec\u6613\u4e8e\u5b89\u88c5\uff0c\u7ef4\u62a4\u8981\u6c42\u6781\u4f4e\u3002.<\/p>

When selecting PTFE SPNO( step seal) sealing rings, it’s important to consider the construction materials. After inserting the seal into the groove, the resizing process forces the seal jacket back into shape, ensuring a tight fit.<\/p>

In summary, PTFE SPNO(step seal) sealing rings are a reliable and effective solution for non-critical sealing applications. With their exceptional reliability, ease of installation, and long service life, they are a popular choice for a variety of industries.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Materials and Design<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Material Selection
When it comes to selecting materials for PTFE SPNO(Step Seal) Sealing Rings, it is important to consider the specific application and conditions in which the ring will be used. The material should be able to withstand the temperature, pressure, and chemical environment of the application.<\/p>

Common materials used for PTFE SPNO(Step Seal) Sealing Rings include metals such as stainless steel, carbon steel, and copper alloys, as well as non-metals such as polytetrafluoroethylene (PTFE) and other plastics. Each material has its own unique properties and advantages, and the choice will depend on the specific requirements of the application.<\/p>

For example, stainless steel is often used in applications where high strength and corrosion resistance are required, while PTFE is used for its low friction and chemical resistance properties. It is important to consider the trade-offs between different materials and choose one that will provide the best overall performance for the specific application.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Design Considerations<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\u805a\u56db\u6c1f\u4e59\u70ef\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

In addition to material selection, there are several design considerations to keep in mind when designing PTFE SPNO(Step Seal) Sealing Rings. These considerations can affect the performance and reliability of the ring.<\/p>

One important consideration is the shape and size of the ring. The ring should be designed to fit snugly into the groove of the mating surface, with a proper amount of compression to ensure a tight seal. The size and shape of the ring will also affect the amount of contact area between the ring and the mating surface, which can affect the sealing performance.<\/p>

Another important consideration is the surface finish of the ring. The surface should be smooth and free of defects, as any imperfections can lead to leaks or premature wear. The surface finish can also affect the friction between the ring and the mating surface, which can affect the wear and performance of the ring over time.<\/p>

Overall, the materials and design of PTFE SPNO(Step Seal) Sealing Rings are critical factors in their performance and reliability. By carefully selecting the right materials and considering important design factors, you can ensure that your sealing rings will provide long-lasting, effective performance in your specific application.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Product Details<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t
Manufacturing Processes<\/strong><\/td><\/tr>
When it comes to manufacturing PTFE SPNO(Step Seal)\u00a0 sealing rings, there are two primary techniques: molding and machining. Each technique has its own advantages and disadvantages, and the choice of technique depends on the specific requirements of the project.<\/td><\/tr>
Installation Guidelines<\/strong><\/td><\/tr>
Proper installation of the PTFE SPNO(Step Seal)\u00a0 sealing ring is essential for ensuring optimal performance and longevity. Here are some guidelines to follow during installation:<\/td><\/tr>
1\uff0cEnsure that the installation area is clean and free of debris, dust, and other contaminants that may interfere with the sealing process.<\/td><\/tr>
2\uff0cLubricate the sealing ring and the mating surface with a compatible lubricant. This will reduce friction and prevent damage to the seal during installation.<\/td><\/tr>
3\uff0cVerify that the seal is the correct size and type for the application. Using the wrong seal can result in leakage or damage to the seal.<\/td><\/tr>
4\uff0cInstall the seal with the proper orientation. The seal should be installed with the lip facing the fluid that is being sealed.<\/td><\/tr>
5\uff0cEnsure that the seal is properly seated in the groove. The seal should be evenly compressed around the entire circumference of the groove.<\/td><\/tr>
Operational Best Practices<\/strong><\/td><\/tr>
Proper usage of the step seal sealing ring is also important for ensuring optimal performance and longevity. Here are some best practices to follow during operation:<\/td><\/tr>
Monitor the seal for signs of wear or damage\u00a0\uff1fIf the seal is damaged or worn, it should be replaced immediately to prevent leakage or damage to the equipment.<\/td><\/tr>
Maintain the appropriate fluid pressure and temperature. Operating outside of the recommended parameters can cause damage to the seal and result in leakage.<\/td><\/tr>
Avoid over-tightening the equipment. Over-tightening can damage the seal and result in leakage.<\/td><\/tr>
Follow the manufacturer’s recommended maintenance schedule. Regular maintenance can help prevent seal failure and extend the life of the equipment.<\/td><\/tr>
By following these installation and usage guidelines, you can ensure that your seal sealing ring performs optimally and lasts as long as possible.<\/td><\/tr>
Maintenance and Inspection<\/strong><\/td><\/tr>
Proper maintenance and inspection of PTFE SPNO(Step Seal) sealing rings are essential to ensure their longevity and effectiveness. Here are some key maintenance and inspection steps to follow:<\/td><\/tr>
Regular Inspection<\/strong><\/td><\/tr>
Regular inspections can help identify potential issues with sealing rings before they cause significant damage to machinery and equipment. Inspect sealing rings regularly for signs of wear, damage, or leaks, and replace them as necessary.<\/td><\/tr>
Lubrication\u00a0<\/strong><\/td><\/tr>
Lubrication is essential for the smooth operation of PTFE SPNO(Step Seal) sealing rings. Make sure to use the recommended lubricants and follow the manufacturer’s instructions for lubrication.<\/td><\/tr>
Cleaning\u00a0<\/strong><\/td><\/tr>
Regular cleaning of PTFE SPNO(Step Seal) sealing rings is crucial to prevent the buildup of dirt, debris, and other contaminants that can cause damage or affect the performance of the sealing rings. Use a soft cloth or brush to remove any buildup of dirt or debris.<\/td><\/tr>
Replacement\u00a0<\/strong><\/td><\/tr>
Some parts of the PTFE SPNO(Step Seal) sealing rings, like O-rings, wear out over time. Adhering to recommended replacement schedules ensures the seal remains effective. Replace damaged or worn-out parts promptly to prevent further damage to the machinery or equipment.<\/td><\/tr>
Documentation\u00a0<\/strong><\/td><\/tr>
Keeping a meticulous record of the PTFE SPNO(Step Seal) sealing rings’ maintenance history – from installation to repairs – can streamline future troubleshooting efforts. Make sure to document all maintenance and inspection activities, including the date, type of maintenance, and any issues identified.<\/td><\/tr>
By following these maintenance and inspection steps, you can ensure the longevity and effectiveness of yourPTFE SPNO(Step Seal) sealing rings.<\/td><\/tr>
Application Range\u200b<\/strong><\/td><\/tr>
Ideal for industries and components requiring high sealing reliability.<\/td><\/tr>
Hydraulic systems: Hydraulic cylinders, valves, and pumps.\u200b<\/td><\/tr>
Pneumatic equipment: Pneumatic cylinders and air compressors.\u200b<\/td><\/tr>
Industrial machinery: Construction machinery (excavators, cranes), automotive transmissions, and medical equipment (low-corrosion scenarios).<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

\u4ea7\u54c1\u89c4\u683c<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t
Product Number<\/td>Size(mm)<\/td>Product Number<\/td>Size(mm)<\/td><\/tr>
GSJ0040<\/td>GSJ-4*8.9*2.2<\/td>GSJ1050<\/td>GSJ-105*120.5*6.3<\/td><\/tr>
GSJ0200L<\/td>GSJ-20*27.5*3.2<\/td>GSJ1100<\/td>GSJ-110*125.5*6.3<\/td><\/tr>
GSJ0200<\/td>GSJ-20*31*4.2<\/td>GSJ1150<\/td>GSJ-115*130.5*6.3<\/td><\/tr>
GSJ0220L<\/td>GSJ-22*29.5*3.2<\/td>GSJ1200<\/td>GSJ-120*135.5*6.3<\/td><\/tr>
GSJ0220<\/td>GSJ-22*33*4.2<\/td>GSJ1250<\/td>GSJ-125*140.1*6.3<\/td><\/tr>
GSJ0250L<\/td>GSJ-25*32.5*3.2<\/td>GSJ1300<\/td>GSJ-130*145.5*6.3<\/td><\/tr>
GSJ0250<\/td>GSJ-25*36*4.2<\/td>GSJ1400<\/td>GSJ-140*155.5*6.3<\/td><\/tr>
GSJ0260<\/td>GSJ-26*36.7*4.2<\/td>GSJ1450<\/td>GSJ-145*160.5*6.3<\/td><\/tr>
GSJ0280<\/td>GSJ-28*39*4.2<\/td>GSJ1500<\/td>GSJ-150*165.5*6.3<\/td><\/tr>
GSJ0300<\/td>GSJ-30*41*4.2<\/td>GSJ1600<\/td>GSJ-160*175.5*6.3<\/td><\/tr>
GSJ0320<\/td>GSJ-32*43*4.2<\/td>GSJ1600H<\/td>GSJ-160*181*8.1<\/td><\/tr>
GSJ0350<\/td>GSJ-35*46*4.2<\/td>GSJ1650<\/td>GSJ-165*180.5*6.3<\/td><\/tr>
GSJ0360<\/td>GSJ-36*47*4.2<\/td>GSJ1700<\/td>GSJ-170*185.5*6.3<\/td><\/tr>
GSJ0380L<\/td>GSJ-38*48.7*4.2<\/td>GSJ1800<\/td>GSJ-180*195.5*6.3<\/td><\/tr>
GSJ0380<\/td>GSJ-38*53.5*6.3<\/td>GSJ1800H<\/td>GSJ-180*201*8.1<\/td><\/tr>
GSJ0400L<\/td>GSJ-40*51*4.2<\/td>GSJ1900<\/td>GSJ-190*205.5*6.3<\/td><\/tr>
GSJ0400<\/td>GSJ-40*55.5*6.3<\/td>GSJ2000<\/td>GSJ-200*221*8.1<\/td><\/tr>
GSJ0420L<\/td>GSJ-42*52.7*4.2<\/td>GSJ2100<\/td>GSJ-210*231*8.1<\/td><\/tr>
GSJ0420<\/td>GSJ-42*57.5*6.3<\/td>GSJ2200<\/td>GSJ-220*241*8.1<\/td><\/tr>
GSJ0450L<\/td>GSJ-45*56*4.2<\/td>GSJ2300<\/td>GSJ-230*251*8.1<\/td><\/tr>
GSJ0450<\/td>GSJ-45*60.5*6.3<\/td>GSJ2400<\/td>GSJ-240*261*8.1<\/td><\/tr>
GSJ0500L<\/td>GSJ-50*61*4.2<\/td>GSJ2500<\/td>GSJ-250*271*8.1<\/td><\/tr>
GSJ0500<\/td>GSJ-50*65.5*6.3<\/td>GSJ2600<\/td>GSJ-260*284.5*8.1<\/td><\/tr>
GSJ0550L<\/td>GSJ-55*66*4.2<\/td>GSJ2700<\/td>GSJ-270*294.5*8.1<\/td><\/tr>
GSJ0550<\/td>GSJ-55*70.5*6.3<\/td>GSJ2800<\/td>GSJ-280*304.5*8.1<\/td><\/tr>
GSJ0560L<\/td>GSJ-56*67*4.2<\/td>GSJ2900<\/td>GSJ-290*314.5*8.1<\/td><\/tr>
GSJ0560<\/td>GSJ-56*71.5*6.3<\/td>GSJ3000<\/td>GSJ-300*324.5*8.1<\/td><\/tr>
GSJ0600L<\/td>GSJ-60*70.7*4.2<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0600<\/td>GSJ-60*75.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0630L<\/td>GSJ-63*74*4.2<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0630<\/td>GSJ-63*78.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0650<\/td>GSJ-65*80.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0700<\/td>GSJ-70*85.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0750<\/td>GSJ-75*90.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0800<\/td>GSJ-80*95.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0800L<\/td>GSJ-80*91*4.2<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0850<\/td>GSJ-85*100.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0900<\/td>GSJ-90*105.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0900L<\/td>GSJ-90*101*4.2<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ0950<\/td>GSJ-95*100.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
GSJ1000<\/td>GSJ-100*115.5*6.3<\/td>\u00a0<\/td>\u00a0<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

PTFE SPNO PTFE SPNO(step seal) sealing rings are designed to restrict oil flow by eliminating the straight path of leakage. This helps to prevent leaks and ensure that the cylinder operates smoothly and efficiently. These rings are available in several side-face and coating options, and they meet DIN and JIS standards. If you are looking […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"class_list":["post-445","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/spartaseal.com\/zh\/wp-json\/wp\/v2\/pages\/445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spartaseal.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/spartaseal.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/spartaseal.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spartaseal.com\/zh\/wp-json\/wp\/v2\/comments?post=445"}],"version-history":[{"count":10,"href":"https:\/\/spartaseal.com\/zh\/wp-json\/wp\/v2\/pages\/445\/revisions"}],"predecessor-version":[{"id":459,"href":"https:\/\/spartaseal.com\/zh\/wp-json\/wp\/v2\/pages\/445\/revisions\/459"}],"wp:attachment":[{"href":"https:\/\/spartaseal.com\/zh\/wp-json\/wp\/v2\/media?parent=445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}