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Dival 507-512 Pressure Regulator
Brand: Pietro Fiorentini S.p.A.DIVAL series gas pressure regulators are spring-loaded gas regulators with balanced plug, diaphragm command and contrast action by spring, suitable for low, medium and high pressures.
Divals and shut-off device series regulators are supplied with internal sensing lines. Both regulator and shut-off device are preset for connection to an external sensor line by the customer, related to flowrate diagram on next page.
They are widely used either in civil or industrial plants, using natural gas or LPG or non-corrosive gas.
Thanks to the concept of balanced plug to achieve a:
- High flow rate coefficient
- Highly accurate, even at maximum flow rates
- Reduced lock up pressure zone and lock up pressure
- Reduced response times
- No internal leakage at zero
- fail open type
- Regular maintenance without disassembling the body from pipes
- possibility to incorporate the slam-shut (OPSO/UPSO) even on regulators already installed, without modifying the existing pipes
- Maximum inlet pressure: 10 bar for BP version; 20 bar for MP and TR versions
- Downstream pressure regulation range: from 15 to 3,000 mbar
- AC accuracy class: up to 5
- SG lock up over pressure: up to 10
- Minimum environmental temperature: Operation up to -40° C (to be specified in the request).
- Maximum environmental temperature: +60° C
- Inlet gas temperature: Up to -20° C +60° C (to be specified in the request).
Specifications
Brand
Accuracy Class
- Up to 5
Available Size DN
- 25 (1”), 40 (1-1/2”)
Closing Pressure Class SG
- Up to 5
Design Pressure
- BP: 10 bar, MP/TR: 20 bar
Design Temperature
- -20° to 60° C
Outlet Pressure Range of Wd
- BP 11 - 110 mbar, MP 80 - 300 mbar, TR 300 - 3,000 mbar
Range of Inlet Pressure Bpu
- BP: 0.5 ÷ 10 bar, MP/TR: 0.5 ÷ 20 bar