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B700N
Standard Mechanical Seals

Product Description

  • Balanced
  • Crest to Crest Wave spring or multiple springs
    rotating
  • For stepped shafts
  • Independent of direction of rotation
  • Integrated pumping device available (B700F,
    B750F)
  • Single seal
  • Variant with cooled stationary seats available

Details

Item Description 
1.1 Seal face 
1.2 Drive collar 
1.3 Thrust ring 
1.4 O-Ring 
1.5 Spring 
1.6 Set screw 
2 Seat (G9) 
3 O-Ring 

Technical Features

  • Flexibility in torque transmissions
  • Self cleaning effect
  • Short installation length also possible
  • Versatile application possibilities

Typical Industrial Applications

  • Hot water applications
  • Light hydrocarbons
  • Oil and gas industry
  • Petrochemical industry
  • Power plant technology
  • Refining technology
  • Boiler feed pumps
  • Process pumps

Standards

EN 12756

Materials

Seal face: Silicon carbide (Q1, Q2), Carbon graphite
antimony impregnated (A),
Aluminium oxide (V), CrMo cast steel (S)
Seat G9: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B), Silicon carbide
(Q1*, Q2*)
Secondary seals: EPDM (E), NBR (P), FKM
(V), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G), Duplex (G1)
* Cannot be combined with seal face made of S

Performance Capabilities

Sizes: d1 =Upto 100 mm (Upto 4.000’’)
(Single spring: d1 = max. Upto 100 mm (Upto 4.000’’)
Pressure:
p1 = 80 bar (1160 PSI) for d1 = 14 ... 100 mm,
p1 = 25 bar (363 PSI) for d1 = 100 ... 200 mm,
p1 = 16 bar (232 PSI) for d1 > 200 mm
Temperature: t = -50 °C ... 220 °C (-58 °F ... 428 °F)
Speed = 20 m/s (66 ft/s)
Permissible axial movement:
d1 up to 22 mm: ± 1.0 mm
d1 24 up to 58 mm: ± 1.5 mm
d1 from 60 mm: ± 2.0 mm

U300N
 
Standard Cartridge Seals
Mechanical Seals As Per API 682
Split Seals
Engineered Seals For Demanding Applications
Standard Mechanical Seals For Pumps & Compressors
Mechanical Seals For Agitators, Mixers, Kneaders & Reactors
Supply Systems & Components
Gas Lubricated Seals for Pumps & Agitators
API 682 / ISO 21049
Technical Information