Single Spring O-Ring Style

A157 dimensions

Features &

Benefits

  • Machined head is standard to withstand more rigorous conditions

  • Uni-directional (dependent on shaft rotation)

  • Rugged single spring minimizes clogging in stuffing box

  • 316 SS Standard Material to withstand wider variety of aggressive fluids

  • Inserted protected faces

  • Multiple face and elastomer choices

  • Set screw lock collar improves setting and drive reliability

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: to 200 PSI

  • Temperature: -40°F to +400°F

Get in Touch

888-730-2739 or

802-524-7100

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A157 drawing

A157