Features &
Benefits
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Static "O" ring - no shaft fretting
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Self cleaning plates
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Single piece construction
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No springs to clog
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Face lubrication enhanced by even face loading
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Balanced design - 300 PSI without modification
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Fits into narrow cross section pumps
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Bellows have optimum 45° angle on I.D. to disperse stress in metal
Standard Materials of Construction
Faces:
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Carbon Graphite (Resin Impregnated), Antimony-Impregnated Carbon, Silicon Carbide, Tungsten Carbide
Elastomers:
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Buna, Viton®, Aflas®, Neoprene, EPDM, Teflon, Encapsulated Viton, Kalrez®
Metallurgy:
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WB 400:
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Retainer: 316 SS; Core: Hastelloy C; Hub: 316SS
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WB 450:
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Retainer: 316 SS; Core: AM350; Hub: 316SS
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WB 500:
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Retainer: Hastelloy C; Core: Hastelloy C; Hub: Hastelloy C
Operating Limits
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Pressure: Up to 300 PSI / 20 Bar
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Temperature: From -100° to 400° Fahrenheit* / -73°to 280° Celsius*
