RS21-min

RS21 Single Spring Elastomer Bellows Seal

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Description

FEATURES & BENEFITS
Cost effective seal common to many process pumps
Bellows design helps compensate for face wear
Bi-directional
Multiple face & elastomer choices
Equivalent to John Crane Type 21, Pac-Seal Type 21, US Seal C Head
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
Pressure
150 PSI, 10.3 Bar
Temperature
-40°F to +400°F
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