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DPF266 Titan Differential Pressure Switch
Brand: Pyropress Engineering Company LimitedThis range has been used to monitor very small changes in vacuums and has been specified extensively for offshore applications.
Incorporating a diaphragm and two sealing Belloframs the switch offers reliable switching action when a differential pressure is required to be sensed. They can, by venting either the HP or LP connection, be used as a low pressure or vacuum switch. Resistors can be incorporated for ‘end of line’ and short circuit monitoring.
Features- 316 stainless steel or black anodised aluminium switchcase to IP66 standard
- Settings from 0.25 mbar to 8.5 bar
- Wetted parts NACE MR-01-75 compliant
- Internal adjustment scale
- Single or dual microswitch option
- SIL2 - IEC61508 proven reliability
- ATEX/IECEx Flameproof version CE II2G Exd IIB + H2 T6...T2 Gb Ta -60° to +75° C ... 90° C
- ATEX/IECEx Intrinsically safe version CE II1G Exia IIC T6...T2 Ga Ta -50° to +78° C ... 128° C
Specifications
Accuracy
- ± 1 % at 20° C
Set Point - Decreasing
- mbar: 0.25 to 8,500
- Pa: 25 to 850,000
- psi: 0.0036 to 123.3
Set Point - Increasing
- mbar: 0.25 to 8,500
- Pa: 25 to 850,000
- psi: 0.0036 to 123.3
Switch Type
- 1 or 2 x SPDT
Electrical Connectors
- 1/2” NPT Adaptor
- M20 Leave Blank
- M25
Microswitch Rating
- 5 A @ 250 Vac Resistive
- 2 A at 250 Vac Inductive
- 3 A at 30 Vdc Inductive
- 5 A @ 30 Vdc Resistive
Deadband
- 0.05 to 400 mbar G
Wetted Materials
- 316 Stainless Steel
Enclosure, Body Material
- Switchcase & Cover: Black Anodised Aluminum
- Switchcase & Covers: 316 Stainless Steel
Diaphragm Material
- Nitrile
- Viton
NPT Connection
- 1/2” NPT Female
- 1/4” NPT Female
BSP Connection
- 1/2” BSPP Female
- 1/4” BSPP Female
Operating Temperature
- -40° to 150° C (-40° to 302° F)
Approvals & Certifications
- SIL 2
- ATEX/IECEx
NACE & NIST
- NACE MR-0175
Environmental Protection
- IP66
Ambient Temperature Range
- -50° to 85° C (-58° to 185° F)
Storage Temperature
- -60° to 85° C (-76° to 185° F)
- Offshore Applications