Standard Mechanical Seals For Pumps & Compressors

UG943

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RoHS

UG943

Product Description

  • Single seal configuration
  • Unbalanced design
  • Independent of direction of rotation
  • For plain shafts
  • Rotary elastomer bellows design
Details
Item No. Description
1.1 Seal Face
1.2 Bellows
1.3 Driver collar
1.4 “L” ring (spring collar)
1.5 Washer
1.6 Corner Ring
2 Spring
3 Seat
4 O-Ring

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Technical Features
  • Low cost seal solution
  • Suitable for mild sterile applications
  • No damage to the shaft
  • Can be employed for low solids content
  • Multifaceted application usage
  • Food and beverage industry
  • Multi-stage pumps (non-drive side)
  • Media with low solids content
  • Pressure oils for bio diesel fuels
  • Water and waste water technology
  • Water and waste water pumps
  • Cooling fluids
  • Circulating pumps
  • Oil applications
  • Chemical industry
  • Submersible pumps
  • EN 12756
  • FDA
  • A modular principle comprising a bellows unit for each shaft diameter and a corresponding cylindrical spring for individual length compensation to l1 installation length. The UG943 can also be used as a multiple seal in tandem or in a back-to-back arrangement. The entire UG943 series is available in metric and inch sizes
  • Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1)
  • Seat: Silicon carbide (Q1 , Q2), Aluminium oxide (V)
  • Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4) Metal parts: CrNiMo steel (G)
  • Shaft diameter: d1 = 10 ... 100 mm (0.375" ... 4")
  • Pressure: p1 = 12 bar (174 PSI), vacuum up to 0.5 bar (7.25 PSI), up to 1 bar (14.5 PSI) with seat locking
  • Temperature: t = -20 °C ... +140 °C (-4 °F ... +284 °F)
  • Sliding velocity: V g = 10 m/s (33 ft/s)
  • Axial movement: ± 0.5 mm

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