Type：Elastomeric bellow mechanical seal
Replacement：BURMANN MG910/D1-G55 AESSEAL P05/P05T CRANE 1A VULCAN 22/A5 ROTEN 51A FLOWSERVE 220/51
Temperature：-20℃ to +120℃
Pressure：≤2.5Mpa
Speed：≤15m/s
Material：V,Q1,Q2,U2,U1,B,A,P,E,V,F,G
Features
• For plain shafts
• Single and dual seal
• Elastomer bellows rotating
• Unbalanced
• Independent of direction of rotation
• No torsion on bellows and spring
• Conical or cylindrical spring
• Metric and inch sizes available
• Special seat dimensions available
• US Patent No. 6.220.601
Advantages
• Fits into any installation space due to smallest outer
seal diameter
• Important material approvals available
• Individual installation length can be achieved
• High flexibility due to extended selection of materials
• Universal application (standardization))
Operating range
Shaft diameter: d1 = 10 … 100 mm (0.375" … 4")
Pressure: p1 = 12 bar (174 PSI),
vacuum…0,5 bar (7.25 PSI), up to 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)
Axial movement: ±0.5 mm
Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat: Silicon carbide (Q1, Q2), Aluminium oxide (V)
Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts: CrNiMo steel (G)
Standards and approvals
• EN 12756
• Various material approvals e.g. FDA, WRAS, KTW, ACS,
W270, NSF available (depending on type and material
combinations). Please inq
Recommended applications
• Chemical industry
• Pulp and paper industry
• Water and waste water technology
• Cooling fluids
• Media with low solids content
• Pressure oils for bio diesel fuels
• Circulating pumps
• Submersible pumps
• Multi-stage pumps (non-drive side)
• Water and waste water pumps
• Oil applications
Item Part no. to DIN 24250 Description
1.1 472 Seal face
1.2 481 Bellows
1.3 485 Drive collar
1.4 484.1 “L” ring (spring collar)
1.5 474 Washer
2 477 Spring
3 475 Seat
4 412 Rubber cup
