Features
• 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
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
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
Operating range (see note on page 1)
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). - 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