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Unloader (F70U)
Brand: Flow Safe, IncUnloader valves suitable for continuous cycling applications, gas or liquid. Features a unique piston seal design.
Ideal for batch processing where rugged, high cycle service and minimum maintenance is required.
Can be supplied with control valve (electric, pneumatic, hydraulic), plus other accessories. Excellent choice for emergency shutdown (ESD) applications.
Features- Electric or pneumatic control (remote or local operation)
- Soft seated (Elastomer)
- 2-way or 3-way solenoid
- Optional filter & isolation valve
- Full or reduced bore orifice
- Bubble tight seating and re-seating
- Integral flange design
- Carbon steel body with corrosion resistant trim
Specifications
Brand
Connection Sizes
- 1.5" x 2" - 12" x 16" (38 mm x 50 mm - 300 mm x 400 mm)
Set Pressure Ranges
- 5 - 285 psig (.35 - 19.6 barg)
Temperature Ranges
- -65° to 400° F (-54° to 204° C)
Orifice Area Range
- 1.770 - 111.87 in² (1142 - 72174 mm²)
End Connections
- Standard: Female NPT (1.5" x 2" size only), Integral ASME RF Flanged (150# inlet/outlet)
Materials of Construction
- Carbon Steel w/ aluminum trim, Aluminum (1.5" x 2" size only)
Seat Materials
- Elastomer: Buna-N, Viton (FKM) or equal, EPR/EPDM
Certifications & Compliance
- Independent cycle testing
- Emergency Shutdown (ESD)
- High Cycle Rates
- Long Service Life
- Explosion-Proof Controls
- Minimal Installation & Maintenance