Type：Elastoer Bellow Mechanical Seal
Replacement：Burgmann BT-A2,Vulcan 70/75,AES B03/B03U,Roten 68,Crane 6A, Flowserve 170, Latty T70
Temperature：-20 to +150℃
Pressure：≤1.4Mpa
Speed：≤10m/s
Material：B,Q2,U2,P,E,N,V,F,G,Alfa
Stationary mechanical seal in inch dimensions. Spread
throughout the world, this type of mechanical seal has
reached an unsurpassed quality level. The BT-A2 features
all carbon or high quality resin impregnated carbon,
aluminium oxide 96%, is stationary and the rubber
bellows are glued on collar. Static air pressure test to
100% production. Excellent solution for swimming pool
pumps.
Features
• Rubber bellows mechanical seal
• Unbalanced
• Single spring
• Independent of direction of rotation
• Stationary design
Operating range
Shaft diameter: d1 = 1/2", 5/8", 3/4"
Pressure: p1* = 4 bar (58 PSI)
Temperature: t* = -20 °C…+90 °C (-4 °F…+194 °F)
Sliding velocity: vg = 10m/s (33 ft/s)
* Dependent on medium, size and material
Materials
Seal face: Carbon graphite resin impregnated (B),
Carbon graphite, full carbon (B3)
Seat: Aluminium oxide (V1), Silicon carbide (Q1)
Elastomers: NBR (P), EPDM (E), FKM (V)
Metal parts: CrNi steel (F), CrNiMo steel (G)
Recommended applications
• Pool and spa applications
• Household appliances
• Domestic and garden pumps
• Clean water pumps
• Swimming pool pumps
• Whirlpool pumps
Item Description
1 Seal face
2 Seat
3 Bellows
3a Gasket
4 Spring
5 Collar
5a L-ring
