Elastomer Mechanical seals E21R

Elastomer Mechanical seals E21R

تومان

Mechanical seal elastomer E21R produced by Raymon Surin Company with the necessary approvals and is produced with the best quality

SKU 2020-2760 Categories ,

Description

Elastomer Mechanical seals E21R

الاستومر مکانیکال سیل مدل E21R
الاستومر مکانیکال سیل مدل E21R
ITEMPART NO. TO
DIN 24250
DESCRIPTION
1.1472Seal face
1.2481Bellows
1.3484.2L-ring (spring collar)
1.4484.1L-ring (spring collar)
1.5477Spring
2475Seat
3412O-Ring or cup rubber

Features

  • For plain shafts
  • Single and dual seal
  • Elastomer bellows rotating
  • Unbalanced
  • Independent of direction of rotation
  • No torsion on bellows

Advantages

  • Shaft protection over entire seal length
  • Protection of seal face during installation due to special bellows design
  • Insensitive to shaft deflections due to large axial movement ability
  • Universal application opportunities
  • Important material certifications available
  • High flexibility due to wide offer on materials
  • Suitable for low-end sterile applications
  • Dimension adaptions and additional seats available

Operating range

Shaft diameter: d1 = 10 … 100 mm (0.39″ … 3.94″)
Pressure: p1 = 16 bar (230 PSI), vacuum … 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: vg = 10 m/s (33 ft/s)
Admissible axial movement: ±2.0 mm (±0,08″)

Materials

Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1, eSiC-Q7)
Seat: Silicon carbide (Q1, eSic-Q7), Tungsten carbide (U3)
Elastomer: NBR (P), EPDM (E), FKM (V),
HNBR (X4)
Metal parts: CrNiMo steel (G), Hastelloy® (M)Further materials upon request.

Standards and approvals

  • FDA
  • WRAS
  • KTW
  • ACS
  • W270
  • NSF

Recommended applications

  • Fresh water supply
  • Building services engineering
  • Waste water technology
  • Food technology
  • Sugar production
  • Pulp and paper industry
  • Oil industry
  • Petrochemical industry
  • Chemical industry
  • Water, waste water, slurries
    (solids up to 5 % by weight)
  • Pulp (up to 4 % otro)
  • Latex
  • Dairies, beverages
  • Sulfide slurries
  • Chemicals
  • Oils
  • Chemical standard pumps
  • Helical screw pumps
  • Stock pumps
  • Circulating pumps
  • Submersible pumps
  • Water and waste water pumps
  • Oil applications

 

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