top of page

Type BCS-A, BCS-B (ANSI)

Features

Operating range

- Single seal
- Cartridge
- Balanced
- Independent of direction of rotation
- Available for standard (BCS-A) and big bore (BCS-B) seal chambers
- Single seals with flush (-A, -B) and with quench combined with lip seal
(-AQ, -BQ) or throttle ring (-AT, -BT)
- Ideal for use in ANSI process pumps
- Universal applicable for packings conversions, retrofits 
  or original equipment
- No damage of the shaft by dynamically loaded O-Ring
- Extended service life
- No damage caused by dirt entered during assembly

Shaft diameter: d1 = 1.000" ... 3.750"
Other sizes on request
Temperature: t = –40 °C ... +220 °C (–40 °F ... +428 °F)
(Check O-Ring resistance)


Sliding face material combination Carbon Resin VS SSIC
Pressure: p1 = 25 bar (363 PSI)
Sliding velocity: vg = 16 m/s (52 ft/s)


Sliding face material combination SSIC VS SSIC or TC VS SSIC
Pressure: p1 = 12 bar (174 PSI)
Sliding velocity: vg = 10 m/s (33 ft/s)


Axial movement: ±1.0 mm, d1 ≥ 75 mm ±1.5 mm
 

Materials

Rotary Seal Face: SSIC
Stationary Seal Face: SSIC, Carbon graphite resin, Tungsten carbide
Secondary seals: FKM, EPDM, FFKM, FEPM
Springs: SUS316, Hastelloy® C-4
Metal parts: SUS316

BCS-A, BCS-B.png

Item         Item Description

1, 3, 6      O-Ring
2              Sleeve
4              Rotary Seal Face
5              Stationary Seal Face
7              Spring
8              Gasket
9              Gland
10            Set-Ring
11            Lock Washer
12            Set Screw
13            Screw
14            Setter
15            Bush
16            Oil Seal

BCS-A, BCS-B-2.png
bottom of page