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Single Spring Elastomer Bellows Seal | A21
Single Spring Elastomer Bellows Seal | A21
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Need Help? Call 888-730-2739 or 802-524-7100
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 John Crane Type 21, Pac-Seal Type 21, US Seal C head
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 / 10.3 Bar
- Temperature: -40°F to +400°F
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