Affordable mechanical seal from reliable seal manufacturer

Temperature -40℃ to +250℃
Pressure ≤1.2Mpa
Speed ≤15m/s
Material V1,Q1,Q2,U2,B,A,P,E,V,M1,M2,F,G,M

Type:Multi Spring Mechanical Seal

Replacement:Vu1can 1659,AES M03,Crane 59U,Bergmann BT-C56 KU

Temperature:-40℃ to +250℃

Pressure:≤1.2Mpa

Speed:≤15m/s

Material:V1,Q1,Q2,U2,B,A,P,E,V,M1,M2,F,G,M

Features

• Single pusher-type seal

• Unbalanced, short length (KU)

• Balanced, short length (KB)

• Multiple springs

• Independent of direction of rotation

Operating range (see note on page 28)

Shaft diameter: d1 = 18…100mm (0.71"…3.94")

Pressure:

unbalanced type BT-C5.KU

p1*= 12 (16)bar (174 (232) PSI)

balanced type BT-C5.KB

p1*= 25 (40)bar (360 (580) PSI)

Temperature: t* = -35 °C… +180 °C (-31 °F…+356 °F)

Sliding velocity: vg = 20m/s (66 ft/s)

* Dependent on medium, size and material

Materials 

Seal face: Carbon graphite antimony impregnated (A), 

Carbon graphite resin impregnated (B) 

Seat: Aluminium oxide (V), Silicon carbide (Q1)

Elastomers: NBR (P), EPDM (E), FKM (V), FFKM (K)

Metal parts: CrNiMo steel (G)

Recommended applications

• Chemical industry

• Pharmaceutical industry

• Building services industry

• Centrifugal pumps

• Clean water pumps

Certificates

• KTW / UBA

• W270

• ACS

• WRAS

• NSF

• DM 174/04

• FDA

Item Description

1 Seal face

2 Stationary seat

3, 3a O-Ring

4 Spring

5 Collar

5a Set screw

5b Ring

5c Locking ring


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