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TGWB2

PTFE Bellows Mechanical Seal

A complete externally: mounted PTFE bellows mechanical seals

Type TGWB2 is: designed for extreme corrosion resistance

applications, such as: high concentrations of acids, salts, strong

oxidizing and reducing: agents and chemically active organic compounds.

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Detail Information

Features

PTFE bellows seals

Externally mounted，Independent of direction of rotation.

With spring protective sleeve.

Recommended Applications

Chemical and organic compounds industry

Extreme corrosion resistance media

Anticorrosive Pumps

Other Rotating Equipment.

Operating range

Shaft diameter: d1=18...100mm(0.750'' ...4.000'')

Pressure: p=0...0.8Mpa（116psi）

Temperature: t = -20 °C ...120 °C(-4°F to 248°F)

Sliding velocity: Vg≤13m/s（42.6ft/m）

Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials

Product Structure

Combination Materials

1.Rotary Face

Silicon carbide (RBSIC) O

Carbon graphite resin impregnated A_K

Glass Filled PTFE Y

2.Stationary Seat

Silicon carbide (RBSIC) O

99%Al2O3 ceramic B₁

3.Bellowas

Composite PTFE Y₁

4.Spring

Stainless Steel (SUS304) F

Stainless Steel （SUS316) G

5.Metal Parts

Pure PTFE T

Stainless Steel （SUS316) G

Mechanical Seals

Pump Seals

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