Project Description
RTWB2
PTFE Bellows mechanical seal
A complete externally mounted PTFE bellows mechanical seals Type RTWB2 is designed for extreme corrosion resistance applications, such as high concentrations of acids, salts, strong oxidizing and reducing agents and chemically active organic compounds.
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）
Product Structure
Combination Materials
1.Rotary Face
Silicon carbide (RBSIC) O
Carbon graphite resin impregnated Ak
Glass Filled PTFE Y
2.Stationary Seat
Silicon carbide (RBSIC) O
99%Al2O3 ceramic B1
3.Bellows
Composite PTFE Y1
4.Spring
Stainless Steel (SUS304) F
Stainless Steel （SUS316) G
5.Metal Parts
Pure PTFE T
Stainless Steel （SUS316) G