plan 53B
Mechanical seal system SPB-500
A complete Plan 53B seal support system for arrangement 3 dual mechanical seals (3CW-FB, 3CW-BB, 3CW-FF), in accordance with API 682 / ISO 21049. Suitable for shaft diameters ≤60mm and >60mm. Designed, engineered and built in-house by Flopac.
Standard configuration
- Design PED 2014/68/EU (CE) – ATEX 2014/34/EU Zone 2 II/A T1-T3 and/or ASME VIII div. 1
- Suitable for general oil/water service, non-hazardous, wetted parts AISI 316(L)
- Design 40 barg @ -15/+90°C / ANSI 300#-sch.40s
- Seal supply and return connections ¾” NPT
- Fill connection ½” NPT with quick connector
- SS316L/316Ti heat exchanger type CNA-100, nominal capacity 750W
- 4-20mA Smart/Hart® pressure transmitter with SS316 instrument block/bleed valve
- Engineering units: SI, Bar/°C
- NDE: Visual, hydrostatic and leaktesting
Main components
- One all SS316/316L piping assembly with NPT threaded connections
- Fill, vent and drain connections with valves, fill connection with non-return valve
- Nitrogen charge connection with gas valve
- 4-20mA Smart/Hart® pressure transmitter, 0.2% accuracy, local display, IP66, SS316 wetted parts
- Flopac CNA-100 natural air draught cooler, SS316L body, laser-welded 316Ti fins, 750W nominal capacity
Available at request
- Extended NDE packages including X-ray, LPE and P(A)MI
Options
- Alternative material selections for specific services
- Flexible designs for specific locations or available space
- High pressure designs ANSI 600# / 1500# up to 200 barg
- Additional temperature or flow instruments
- Barrier liquid circulation unit for enhanced cooling
- All SS316 5 ltr refill unit with 75cc/str handpump
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