Features:
Equivalent to Burg HGH201
For plain shafts (HGH201)
Semi split single seal
Multiple springs rotating
Balanced
Independent of direction of rotation
Unsplit as original equipment (HGH200)
Cartridge available (based on HGH210)
Variant for stepped shafts available (HGH211)
Splitted seal parts: sliding faces and O-Rings
Operating range:
Shaft diameter: d1 = 50 ... 310 mm (2" 12.20")
(larger diameters on request)
Pressure: p1 = 25 bar (363 PSI)
Temperature: t1 = 150 °C (302 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ± 2.0 mm
Materials:
Seal face: Silicon carbide (Q1)
Seat: Silicon carbide (Q1, Q2), Carbon
graphite antimony impregnated (A), Carbon
graphite resin impregnated (B)
Secondary seals: FKM (V), EPDM (E), NBR(P)
Metal parts: CrNiMo steel (G)
Advantages:
Economical: no complete dismantling of pump necessary
Reduction of down-times and installation times
Springs are protected from the product
Rugged seal design
Split seat can be used on both sides
Recommended applications:
Water and waste water technology
Power plant technology
Shipbuilding
Pulp and paper industry
Sea water desalination
Pulp with up to 5 % fiber content
Water turbines
Chest agitators
Stern tubes
Cooling water pumps
Gears
Defibrators