Boiler Feed Water Seals

Balanced, inside-mounted seal for boiler feed, condensate, booster and fuel oil pumps.

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Seal characteristics: Single acting · Balanced · Inside mounted · Dependent of direction of rotation
Temperature t: -20°C to +250°C (API plan 23)
Shaft diameter d: 65 … 150 mm

Overview

A single-acting, balanced, inside-mounted seal dependent on direction of rotation, for boiler feed water and associated hot-water and oil pump duties.

Faces are supplied in carbon, ceramic, silicon carbide or tungsten carbide with SS 316 or SS 304 metal parts and elastomer secondary seals. API plan 23 is referenced for the flush arrangement.

Specifications

Seal characteristics: Single acting · Balanced · Inside mounted · Dependent of direction of rotation
Temperature t: -20°C to +250°C (API plan 23) provisionalPublished as "– 20 … +250O C (API plan 23)". The capital O is the lost degree symbol. 250 °C is consistent with boiler feed duty and with the API plan 23 flush the same line references. Provisional pending confirmation by Seal Proof Engineering.
Shaft diameter d: 65 … 150 mm
Pressure p: 50 … 140 bar (max)
Velocity v: more than 50 m/sec
Standard referenced: API plan 23

Contact our engineering team for application-specific specifications.

Materials of construction

Face materials: Carbon / Ceramic / Silicon Carbide / Tungsten Carbide
Metal parts: SS 316, SS 304
Secondary seal: Elastomers

Applications

Boiler feed water pumps
HSD pumps
Booster pumps
Drip pumps
Condensate pumps
Fuel oil pumps

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Next step

Tell us the duty.

Media, temperature, pressure, shaft size and speed are usually enough for our engineers to specify boiler feed water seals for your equipment.

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