11. CMB21-B21
11
11. CMB21-B21
11

CMB21/B21

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Tandem metal bellow seals
Performance capabilities:

● Pressure:0~3.0 MPa

● Temperature: -120~400℃

● Speed:≤25m/s

Descriptions:

√ Ideal for cryogenic and high temperaturemedium with higher safety requirements;

√ Secondary seal as a safety seal, preventing media directly leaking into the atmospheric

√ Rotary bellows to prevent medium particles from depositing between wave plates , self-cleaning function

Features:

● Welded metal bellows, rotary

● Compaction installation

● Flexible graphite as secondary seal

Recommended applications:

√ Refinery& petrochemical

√ Coal chemical

√ Chemical

Piping plans:

● Process side:API682 PLAN 11, 13, 14, 21, 23, 32,

● Between seals:API682 PLAN 52, 53A, 53B, 53C, 54,55

● Atmospheric side:API682 PLAN 61, 62,

Materials and configurations

Categories

Components

Standard Materials

 

Optional Configurations (Depending on specific working conditions or applications)

Seal rings

Primary ring

Carbon graphite

TC

Mating ring

SiC

TC

Flexibleelements

Metal bellows

Inconel718

Hast.C

Metal parts

Sleeve ,gland

316L

2205/17-4PH

Secondaryseals

Rectangular ring

Flexible graphite

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Materials and configurations
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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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