{"id":993,"date":"2025-04-02T10:22:53","date_gmt":"2025-04-02T02:22:53","guid":{"rendered":"https:\/\/hengoseal.com\/?p=993"},"modified":"2025-05-30T16:10:35","modified_gmt":"2025-05-30T08:10:35","slug":"seal-pneumatic-cylinder-guide","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/vi\/seal-pneumatic-cylinder-guide\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c xi lanh kh\u00ed n\u00e9n ph\u1edbt ph\u00f9 h\u1ee3p?"},"content":{"rendered":"

Struggling with air leaks or jerky motion in your pneumatic cylinder? The wrong seal could be the root cause\u2014costing you time, efficiency, and money.<\/p>\n

To properly seal a pneumatic cylinder, you need to match seal types and materials to your operating conditions\u2014pressure, speed, temperature, and contamination. This guide will show you exactly how to do that.<\/p>\n

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Choosing the correct pneumatic seal is easier than you think. Let\u2019s break it down by function, material, and usage so you can make informed, confident decisions.<\/p>\n

What factors should I consider when choosing pneumatic cylinder seals?<\/h2>\n

You might feel overwhelmed with options\u2014but choosing the right seal starts with asking the right questions.<\/p>\n

Select seals based on pressure level, operational speed, media exposure, and temperature range. For example, low-friction seals suit high-speed tasks, while heat-resistant FKM seals perform well under thermal stress.<\/p>\n

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What parameters matter most when selecting pneumatic cylinder seals?<\/h3>\n\n\n\n\n\n\n\n\n\n\n
Ti\u00eau chu\u1ea9n<\/th>\nS\u1ef1 gi\u1edbi thi\u1ec7u<\/th>\n<\/tr>\n<\/thead>\n
\u00c1p l\u1ef1c<\/td>\nUp to 10 bar \u2192 Use NBR, TPU, FKM<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9<\/td>\nHigh-speed \u2192 Choose low-friction piston seals<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9<\/td>\nFKM for high heat, NBR for standard use<\/td>\n<\/tr>\n
Environment<\/td>\nDusty areas \u2192 Add ph\u1edbt g\u1ea1t b\u1ee5i<\/a><\/td>\n<\/tr>\n
Motion Energy<\/td>\nS\u1eed d\u1ee5ng \u0111\u1ec7m ni\u00eam phong<\/a><\/td>\n<\/tr>\n
Nh\u00e0 cung c\u1ea5p<\/td>\nChoose from trusted pneumatic seal suppliers<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

What materials are best for pneumatic seals?<\/h2>\n

Choosing the wrong seal material will lead to premature failure\u2014but how do you know which is best?<\/p>\n

NBR is cost-effective for standard air cylinders, FKM resists heat and chemicals, and TPU is ideal for wear-prone environments. Always match materials to your specific conditions.<\/p>\n

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Which seal materials suit specific environments?<\/h3>\n\n\n\n\n\n\n\n
V\u1eadt li\u1ec7u<\/th>\nC\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/th>\nTr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n
NBR<\/td>\nTi\u1ebft ki\u1ec7m, ch\u1ed1ng d\u1ea7u<\/td>\nXi lanh kh\u00ed n\u00e9n th\u00f4ng d\u1ee5ng<\/td>\n<\/tr>\n
FKM<\/td>\nCh\u1ecbu nhi\u1ec7t v\u00e0 h\u00f3a ch\u1ea5t<\/td>\nFood, pharma, hot zones<\/td>\n<\/tr>\n
TPU<\/td>\nTough, abrasion-resistant<\/td>\nFast-cycle, dusty areas<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

What are common signs of pneumatic seal failure?<\/h2>\n

Frequent breakdowns or slow response? Your seals may be worn.<\/p>\n

Watch for symptoms like air leaks, inconsistent movement, or oil mist. These signal seal degradation and a need for immediate inspection.<\/p>\n

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How do you diagnose a worn pneumatic seal?<\/h3>\n