首页 >> 新闻中心 >> JB/T 11959-2026机械密封用硬质合金密封环2026.9.1实施
JB/T 11959-2026机械密封用硬质合金密封环2026.9.1实施。用于机械密封轴（或轴套）外径为14mm～240mm的机械密封用硬质合金密封环的制造。文件规定了机械密封用硬质合金密封环的产品分类、技术要求、主要结构型式及尺寸，描述了相应的试验方法，规定了检验规则、标志、包装、运输和贮存等要求。
200N.m机械端面密封件磨损泄露试验机，测试浮动密封组件在转动过程中的摩擦磨损状况，研究验证浮封环可靠性和耐久性能。在注入润滑油的状态下实现旋转转动，模拟油气水粉尘黏土砂粒等实际工况，浮封环润滑油滴漏状况实时监控，浮封环试验温度实时监测，浮封环实际使用工况4倍～5倍强化试验测定，完成浮封环轴向加载性能试验，浮封环角度偏移加载和偏轴偏移加载同步试验。绘制浮封环温度-时间曲线、扭矩-时间曲线。
机械端面密封组件用作轴承密封，应用于TBM盾构机滚刀浮动密封，工程机械端面密封，挖掘机推土机履带式车辆端面浮动密封，煤矿采煤机输送机端面浮动密封，自卸卡车重型卡车齿轮箱端面密封，轮轴传动轴端面密封，农业机械端面密封，混料搅拌机端面密封，风力发电变桨轴承端面密封。
JB/T8293-2025浮动油封跑合耐久性试验机；50kN浮封静态密封性能抗压荷载试验机；100N.m端面密封动态跑合性能试验机；工程机械行走部件采煤机轻型机械平地机装载机浮封动态密封试验机；浮动油封2000h强化工作寿命强化试验；支重轮浮封动态密封性能轮对跑合磨损试验机；MT/T7841采煤机械用DO型浮动油封磨损耐久性试验机；￠650mm金属密封跑合耐久性试验机；密封圈模拟实际工况高低温压扭耐久试验机；200kN.m联轴器扭矩预磨标定刚度疲劳试验台；浮动油封泥沙颗粒冲蚀腐蚀耦合磨损测试系统；浮动油封冷热交变高低温工况磨损性能测试系统；金属材料旋转表面摩擦磨损试验系统；12000rpm150℃高速高温油封动态性能测试系统；10kN浮封环密封荷载面压试验机；4000N.m密封圈模拟实际工况高低温压扭耐久试验机；唇形密封圈动态高温双工位试验系统；支重轮磨合跑合疲劳耐久寿命试验机；引导轮疲劳耐久性试验测试系统；30kN.m工程机械车辆刹车制动压力扭矩试验机；300kN装载机挖掘力提升力试验机；掘进机盘形滚刀摩擦磨损疲劳寿命试验测试系统；盾构机滚刀刀圈耐磨损抗冲击疲劳试验机；挖泥船绞刀磨损冲蚀耐久性能测试系统；浮动油封泥沙模拟工况测试系统；
Mechanical Face Seals Wear Leakage Tester；2 Station Floating Seal Running Wear Leakage Performance Tester；Floating Seal Leakage Performance Test；Floating Ring Seal Abrasion Tester；Floating Seal Ring Friction Wear Tester；Running-in Characteristic Test；DO type floating seals for winning machinery；Reciprocating rubber seals；Design criteria for standard applications；Rubber seals of act on single seal；Rubber seals of act on double seal；Valve stem reciprocating seals of engine and performance test method；Turbocharger seal rings Test method；Rotary shaft lip-type seals incorporating thermoplastic sealing elements；Floating Seal Ring Performance test procedures；Specification for carbon-graphite sealing ring for mechanical seals；Blanks for cemented carbide sealing ring；Compounds of reciprocating rubber seals；Seal element Fatigue Testing System；Seal Element Friction Wear Testing Machine；Floating Seal Ring Compression Tester；Mechanical Seal Element Running Wear Tester；Rubber Seal Friction Wear Tester；Double Seal Wear Tester；Running Attrition Tester；Floating Oil Seal Running in Wear Leakage Performance Tester；Running-in and Wear-out Performance Test for Floating Oil Seal；DO type Floating Seals Running Wear Tester；Floating Oil Seal Running-in and Wear-out Performance Tester；erosion corrosion tester；wear allowance Tester；tear-and-wear allowance；abrasive wear testing machine；wear-test machine；stationary seal ring seal Tester；seal ring camper ion ring；asbestos seal ring Tester；bonnet seal ring Tester；carboloy ring shaft seal Tester；carbon seal ring Tester；check the seal ring of the conductor；double-cone seal ring Tester；Sealing Ring High Low Temperature Compressive Torsion Fatigue Tester；Caterpillar Band Sealing Ring Fatigue Durability Life Tester；Construction Machinery Vehicles Brake Moment Tester；Tunnel Boring Machine Disc Cutter Friction Wear Fatigue Life Test System；hrjtest；Railway Tunnel Anchor Channel Bolt Fatigue Tester；Lasting Strength Tester；Rainwater Storage Modular Compressive Strength Creep Stress Tester；Three-Dimensional Coordinated Loading High-Speed Tester System；Cruciform Test Piece Biaxial Tensile Tester；Resin Anchor Bolts Axial Tension Load anchoring Force Torsion Testing Machine；Flexible Intermediate Bulk Containers Top Lift Load Tester；Double Hydrocylinder lifting Flexible Intermediate Bulk Containers Automata Load Drop Tester；Flexible Intermediate Bulk Containers Tester；FIBC Bulk Bag Tester；Rules for the inspection of export flexible intermediate bulk containers；Dredgers cutter head Wear and erosion durability performance Test System；Lip type Seals Dynamic High-Temperature Two-Station Test System；Floating Oil Seal Sand Particle Impingement Erosion-Corrosion Coupled Wear Test System；Floating Oil Seal Sand Simulation Test System；Floating Oil Seal Cold-Hot Alternating High-Low Temperature Working Condition Wear Performance Test System；High-speed high-temperature oil seal dynamic performance testing system；Metal Material Rotational Surface Friction Wear Test System；
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