5.CM1B-11G~1
11. CMB21-B21-内封
11.CMB21-B21-方案螺旋套
11. CMB21-B21-介质侧
11.CMB21-B21-二维
5.CM1B-11G~1
11. CMB21-B21-内封
11.CMB21-B21-方案螺旋套
11. CMB21-B21-介质侧
11.CMB21-B21-二维

CMB21/B21 Z8820 Z8830

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Rotary Metal Bellows Tandem Seal
Operating Parameters:

● Pressure: ≤2.5MPa

● Temperature: -120~400℃

● Shaft Diameter: 20~120mm

● Speed: ≤3600r/min

● Linear Velocity: ≤25m/s

Product Description:

● 2CW-CW dual seal of API682 arrangement 2 or 3CW-FB dual seal of API682

 arrangement 3.

● Secondary seal as the safety seal, the medium does not leak into the atmosphere.

● The rotating metal bellows prevent medium particles from depositing between the

 plates, achieving self-cleaning properties.

● This type of the seal is suitable for low temperature or high temperature working

 condition with higher safety requirements.

Structure Features:

● Metal bellows rotary type

● Integral press-mounted non-compensating ring

● The auxiliary seal is flexible graphite

Recommended Applications:

● Refining and Petrochemical Industry

● Chemical Industry

● Coal Chemical Industry

Piping Plans:

● Process Side      API682 PLAN 11、13、14、21、23、32

● Barrier Side       API682 PLAN 52、53A、53B、53C、55

● Atmospheric Side    API682 PLAN 61、62

Materials and Configurations

Categories

Components

Standard Materials

Optional Materials

Seal Rings

Primary Ring

Carbon Graphite

WC

Mating Ring

SiC

WC

Elastic Elements

Metal Bellows

Inconel718

Hast.C

Mental Parts

Sleeve

316L

2205、17-4PH

Gland

Secondary Seals

Rectangled Ring

Flexible Graphite

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Contact

Email: export@sns-china.com
International sales: +86-028-85373902
Address: No. 8, 4th Wuke West Road, Chengdu City, Sichuan Province,China

Sinoseal Holding Co., Ltd. is a Chinese  listed company and a leader in China’s Fluid Sealing Industry. Sinoseal has transformed its 40 over years of research and development experience into a professional  company  specialized in the production and a provider of overall sealing solutions for its  customers. With our strong technical strength and advance technology and equipment used in manufacturing , Sinoseal’s  products and services enjoy a good reputation across the industries it serves in China.

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