Single Spring Mechanical Seal 80 Series (8221 BD,8221 BD CR)
Face Materials
-
Shrink Fit Seal Ring
- Carbon
- Tungsten Carbide
- Silicon Carbide
- Ceramic
Secondary Seal
- ‘U’ Packing & Square Packing PTFE, GFT
Metal Parts
- SS 316
- SS 304
- Alloy 20
- Monel, Hastelloy-C
- Titanium
Application
- Chemicals
- Petrochemicals
- Oil Refineries
- Waste Water
- Suspended Solid Slurry
- Mild Corrosive & Slurry Services
Seal Features
- Single Spring
- Single Seal
- Unbalanced
- Inside Mounted
- Independent direction of rotation
Performance Limits
- Size – 0.5” to 4”
- Pressure – upto 8 kg/cm2
- Temperature - 40°C to +150°C
8221 BD Type seal is single spring bi directional seals developed for dirty fluid and clogging type fluid.
Torque transmission from Back Part to Adaptor and Seal Ring is done through sturdy drive lugs.
Designed parts are interchangeable. You can convert from an unbalanced seal to a balanced seal by changing only the seal ring.