- Standard Cartridge Seals
CTXAPI
- Single and Dual seal configuration
- Balanced design
- Independent of direction of rotation
- Cartridge construction
- Seal design in accordance with API 682 / ISO 21049
- Conforming to Category 1, Type A, Arrangement 1, 2 or 3
- Single seal with API Plan 11 and 61
- Dual seals with API Plan 52 / 53
- Robust construction with shrink-fitted seal faces
- Heavy duty solid seat design
- Also available in design variation for independent of direction of rotation
- Additional flushing plans available on request
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Details
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1, 9
Seal face
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2, 5, 7, 10, 13, 15, 16, 17
O-Ring
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3, 11
Spring
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4, 12
Seat
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6
Shaft sleeve
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8
Adapter
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14
Driver
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18
Housing
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19
HSH cap screw
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20
Set ring
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21
Set screw
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22
Assembly fixture
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23
Hexagon bolt
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24
Set screw

- Designed to accommodate shaft deflections and process fluctuations
- Efficient construction for heat dissipation
- Compact installation design
- Factory assembled cartridge unit for easy installation
- Springs are product protected to avoid contamination
- Can accommodate reverse pressure
- Can handle extensive applications in various temperatures and pressures
- Versatile in design to fit various seal chambers
- Chemical industry
- Light volatile and highly viscous hydrocarbons
- Low solids content and low abrasive media
- Media with poor lubrication properties
- Oil and gas industry
- Petrochemical industry
- Toxic and hazardous media
- Standard pumps
- Vertical and horizontal ANSI chemical pumps
- Seal face: Carbon graphite antimony impregnated (A), Silicon carbide sintered pressureless (Q12)
- Seat: Silicon carbide sintered pressureless (Q1)
- Secondary seals: FKM (V), FFKM (K), NBR (P), EPDM (E)
- Springs: Hastelloy® C-4 (M)* and C-276 (M5)
- Metal parts: CrNiMo steel (G)
- Sizes: d1 = Upto110 mm (Upto 4.250’’) other sizes on request
- Pressure: p1 = 22 bar (319 PSI)
- Temperature: t = –40 °C…+260 °C (–40 °F…+ 500 °F)
Speed = 23 m/s (75 ft/s)
- API 682 / ISO 21049
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