民联机械密封
上海民联机械密封件有限公司
Shanghai Minlian Mechanical Seal Co., Ltd.
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MG1 / MG20 / MG12 / MG13

MG1 / MG20 / MG12 / MG13

MG系列为橡胶波纹管机械密封，采用防堵塞大弹簧设计，符合国际标准ISO 3069和欧洲标准DIN 24960。

MG series is a rubber bellows mechanical seal with a non-clogging large spring design, meeting ISO 3069 and DIN 24960 standards.

橡胶波纹管 Rubber Bellows 大弹簧 Large Spring 标准通用 Standard General
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产品介绍 / Description

MG系列机械密封采用橡胶波纹管结构，具有优异的追随性和补偿能力。独特的防堵塞大弹簧设计，特别适合含有颗粒介质的工况。静环组件有多种配置可选，动环组件可与G60、G50、G6、G4、G9、G606等多种静环配合使用，满足不同安装需求。该系列严格按照国际标准ISO 3069和欧洲先进标准DIN 24960的装配尺寸设计，具有良好的通用性和互换性，广泛应用于离心泵、旋转泵、搅拌器等旋转设备，适用于对合成橡胶无害的各种液体介质。

MG series mechanical seal adopts rubber bellows structure with excellent tracking and compensation capabilities. The unique non-clogging large spring design is especially suitable for media containing particles. The static ring assembly has multiple configuration options, and the dynamic assembly is compatible with various static assemblies such as G60, G50, G6, G4, G9, G606, meeting different installation requirements.This series is strictly designed according to the assembly dimensions of international standard ISO 3069 and European advanced standard DIN 24960, with good versatility and interchangeability. Widely used in centrifugal pumps, rotary pumps, agitators and other rotating equipment, suitable for various liquid media that are not harmful to synthetic rubber.

技术规格 / Technical Specifications

技术参数 / Working Condition

密封腔压力 Pressure ≤ 1.2 MPa
线转速 Speed ≤ 12 m/Sec
密封腔温度 Temperature -30°C ～ 200°C
适用介质 Medium 应用于离心旋转泵，搅拌器等运转设备上，用于对合成橡胶无害所有液体 Used in centrifugal rotary pumps, agitators and other operating equipment for all chemical liquids that are not harmful to synthetic rubber

材质 / Material

静环 Stationary Ring 陶瓷 / 反应碳化硅 / 无压碳化硅 / 碳化钨 Ceramic / SIC / SSIC / TC
动环 Rotary Ring 石墨 / 反应碳化硅 / 无压碳化硅 / 碳化钨 Carbon / SIC / SSIC / TC
辅助密封 Secondary Seal 丁腈硅胶 / 乙丙橡胶 / 氟橡胶 NBR / EPDM / VITON
弹簧及金属件 Spring & Metal Parts SUS304 / SUS316L

型号规格 / Dimensions

MG系列结构图
型号 d D D1 D2 D3 L1 L2 L3 L4 L5 L6 L7 L8
MG-10 10 22 21 19.2 24.6 6.5 6.5 9 10 14.7 25.5 26 33.5
MG-12 12 24.5 23 21.6 27.8 6.5 5.5 9 10 15.2 25.5 26 33.5
MG-14 14 28 25 24.6 30.95 6.5 5.5 10.5 10 17.2 25.5 28.5 33.5
MG-15 15 28 27 24.6 30.95 6.5 6.5 10.5 10 17.2 25.5 28.5 33.5
MG-16 16 28 27 28 30.95 6.5 7.5 10.5 10 17.2 25.5 28.5 33.5
MG-18 18 31.5 33 30 34.15 7.5 8 10.5 11.4 19.7 25.5 30.1 37.7
MG-19 19 36.5 35 35 34.15 7.5 7.5 10.5 11.4 21.7 25.5 30.1 37.7
MG-20 20 36.5 35 35 35.7 7.5 7.5 10.5 11.4 21.7 25.5 30.1 37.7
MG-22 22 36.5 37 35 37.3 7.5 7.5 10.5 11.4 21.7 25.5 30.1 37.7
MG-24 24 42 39 38 40.5 7.5 7.5 10.5 11.4 22.7 25.5 32.7 42.7
MG-25 25 42 40 38 40.5 7.5 7.5 10.5 11.4 23.2 25.5 32.7 42.7
MG-28 28 48.5 43 42 47.65 7.5 9 12 11.4 26.7 33.5 35.2 42.7
MG-30 30 48.5 45 45 50.8 7.5 10.5 12 11.4 26.7 33.5 35.2 42.7
MG-32 32 53 48 48 50.8 7.5 10.5 12 11.4 27.7 33.5 35.2 47.7
MG-33 33 53 48 50 54 7.5 11 12 11.4 27.7 33.5 35.2 47.7
MG-35 35 56.5 50 52 54 7.5 11 12 11.4 28.7 33.5 35.2 47.7
MG-38 38 58.5 56 55 57.15 9 10.5 12 14 30.2 33.5 36.2 46.2
MG-40 40 61.5 58 58 60.35 9 10.8 12 14 30.2 33.5 36.2 46.2
MG-42 42 65 61 62 63.5 9 12 12 14 30.2 41.5 36.2 51.2
MG-43 43 65 61 62 63.5 9 12 12 14 30.2 41.5 36.2 51.2
MG-45 45 67.5 63 64 63.5 9 11.5 12 14 30.2 41.5 36.2 51.2
MG-48 48 70 66 68.4 66.7 9 11.5 12 14 30.7 41.5 36.2 51.2
MG-50 50 73.5 70 69.3 69.85 9.5 11.5 13.5 15 30.7 41.5 38.2 50.7
MG-53 53 78 73 72.3 73.05 11 12.5 13.5 15 33.2 41.5 36.7 59.2
MG-55 55 80.5 75 75.4 76.2 11 13.5 13.5 15 35.2 41.5 36.7 59.2
MG-58 58 85 78 78.4 79.4 11 13.5 13.5 15 37.2 41.5 41.7 59.2
MG-60 60 88 80 80.4 79.4 11 13.5 13.5 15 38.2 41.5 41.7 59.2
MG-65 65 93 85 85.4 92.1 11 13 16 15 40.2 49.5 41.7 69.2
MG-68 68 96 90 91.5 95.25 11.5 13.7 16 18 40.2 49.5 41.3 69
MG-70 70 99 92 92 95.25 11.95 13 16 18 40.2 49.5 49 69
MG-75 75 106.5 97 99 101.6 11.5 14 16 18 40.2 52.5 49 69
MG-80 80 111.5 105 104 114.3 12 15 20 18.3 40.2 56.5 48.2 78.2
MG-85 85 119.5 110 109 117.5 14 15 20 18.3 41.2 56.5 46.2 76.2
MG-90 90 126.5 115 114 123.85 14 15 20 18.3 45.2 59.5 51.2 76.2
MG-95 95 131.5 120 120.3 127 14 16 20 17.3 46.2 59.5 51.2 76.2
MG-100 100 136.5 125 123.3 133.35 14 16 20 17.3 47.2 62.5 51.2 76.2

橡胶波纹管结构，防堵塞大弹簧设计，可与G60、G50、G6、G4、G9、G606等静环配合。Rubber bellows structure with non-clogging large spring design, compatible with static assemblies such as G60, G50, G6, G4, G9, G606.

产品特性 / Features

  • 橡胶波纹管结构，追随性优异 Rubber bellows structure with excellent tracking
  • 防堵塞大弹簧设计，适合含颗粒介质 Non-clogging large spring design, suitable for media containing particles
  • 符合ISO 3069和DIN 24960标准 Meets ISO 3069 and DIN 24960 standards
  • 静环组件多种配置，通用性强 Multiple static ring configurations, strong versatility