TYPE F Auto Cooling Pump Seal Replacement

Temperature -20 to +150℃
Speed ≤10m/s
Pressure ≤1.4Mpa
Material B,Q2,U2,P,E,N,V,F,G,Alfa

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℃




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



• 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


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

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