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Mechanical Flood
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Burgman Germany
/ CGSH-K Burgmann mechanical seals
CGSH-K Burgmann mechanical seals
CGSH-K
Features
For stepped shafts
Balanced
Rotating spring
Single or double seal available
Standard version with U-grooves, V-grooves optional (dependent of direction of rotation)
Gas-lubricated
Does not open in the event of buffer pressure failure, self closing at pressure reversal
Advantages
Contact-free operation, no friction
No differential pressure required with hard/soft material combination
Applicable as containment seal acc. to API 682
Operating range
Shaft diameter:
d1 = 28 … 125 mm (1.10″ … 4.92″)
Pressure: p1 = 25 bar (363 PSI)
Temperature:
t* = -20 °C … +170 °C (-4 °F … +338 °F)
Sliding velocity:
vg = 4 … 25 m/s (13 … 82 ft/s)
* Depending on resistance of O-Rings
CGSH-K Materials
Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q2),
alternatively: Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat: Silicon carbide (Q1, Q2),
Silicon carbide (Q19, Q29) with seal face in Q1 resp. Q2
Metal parts: CrNiMo steel (G)
Standards and approvals
EN 12756
API 682 / ISO 21049
Recommended applications
Chemical industry
Refining technology
Gases and liquids
(single seals only gas)
Gases and liquids which must not get into the atmosphere (dual seal)
Gases not harmful to the enivronment (single seal)
Fans
Small steam turbines
Blowers
Roots compressors
Pumps
Download catalog for more information:
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