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Single Spring, Elastomer Bellows Seal | ES21
Single Spring, Elastomer Bellows Seal | ES21
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Features & Benefits
Features & Benefits
- Cost-effective seal common to many process pumps
- Bellows design helps compensate for face wear
- Bi-directional
- Multiple face and elastomer choices
- Equivalent to European DIN standard Type 21’s
- Most common metric seat available as requested
Standard Materials of Construction
Standard Materials of Construction
- Faces: Carbon Graphite (Resin Impregnated), Antimony-Impregnated Carbon, Silicon Carbide, Tungsten Carbide
- Elastomers: Buna, Viton®, Aflas®, Neoprene, EPDM
- Metallurgy: 304, 316, Monel
Operating Limits
Operating Limits
- Pressure: Up to 150 PSI
- Temperature: -40°F to +400°F
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