pressure switches and gauges
Kromschroeder DG pressure switches for gas
For monitoring gas and air pressures, also for biologically produced methane, with hand wheel for switching point adjustment, can be used as ''special-design pressure switch'', EU certified, AGA, EAC approved, RoHS compliant
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Overview
DG Pressures Switches are for monitoring positive gas- and air-pressure, and for negative and differential air-pressures. The DG version is the European Version and the DG..T is the US version.
Both versions offer switching point adjustment via setting dial, are silicon free, and operate with the following media: Gas, air, flue gasses for positive pressure; Air and flue gasses for negative/differential pressure. For available accessories, see technical documentation.
Model DG: (European Version)
Both versions offer switching point adjustment via setting dial, are silicon free, and operate with the following media: Gas, air, flue gasses for positive pressure; Air and flue gasses for negative/differential pressure. For available accessories, see technical documentation.
Model DG: (European Version)
- EU certified, AGA, EAC approved, RoHS compliant
- Range: 0.4 to 500 mbar (0.16 to 200 WC)
- Pneumatic Connections: Internal Rp 1/8 2x, Rp 1/4 2x
- Siver contacts, 24-250V AC, 0.05-5A
- Gold contacts, 5-250V AC, 0.01-5A
- Electrical connection:
- Screw terminals, M16x1.5 cable gland
- 4-Pin plug and socket
- UL Listed, FM Approved
- Range: 0.2 to 200 WC
- Pneumatic Connections: Internal Rp 1/4 NPT, 1/8 NPT
- Siver contacts, max 240V AC, 5A
- Gold contacts, max 30V AC/DC, 0.05A
- Electrical connection:
- Screw terminals, M16x1.5 cable gland
- Screw terminals, 1/2 NPT cable conduit
- 4-Pin plug and socket
- Optional Locking/manual reset
Specifications
Processing & Performance Metrics
- Adjusting Range
- Approximately 0.5 up to 500 mbar (model‑dependent)
Temperature Control/Measurement
- Temperature Rating
- -15 to +60 deg C (others)
- -20 to +80 deg C (DG, DG..U, DG..I)
- -40 to +60 deg C (DG..T)
Safety, Protection & Reliability
- Reset Options
- Manual reset for lock-off models
- Protection Class
- IP54/IP65 (DG), NEMA 4 (DG..T)
Overview
- Product Type
- Diaphragm pressure switch for gas and air
Product Overview & Classification
- Primary Function
- Monitoring and switching of gas and air pressures
Applications & Compatibility
- Media Compatibility
- Natural Gas, Town Gas, LPG (gaseous), Flue Gas, Biogas (≤ 0.1% H₂S), Air
- Hazardous Area Use
- Suitable for Zone 1 and 2 with isolating amplifier; Zone 2 without amplifier
Connections & Interfaces
- Mechanical Connection
- Rp 1/4 in, Rp 1/8 in (DG); 1/4 in NPT/1/8 in NPT (DG..T)
- Electrical Connections
- Screw terminals, M16 cable gland, 1/2 in NPT conduit, 4-pin plug/socket
Electrical Specifications
- Maintenance Interval
- At least once per year (twice per year for biogas)
Installation & Mounting Specifications
- Installation Orientation
- Vertical, horizontal, or inverted (switching point must be verified)
Material Specifications
- Diaphragm Material
- NBR (standard), IIR (DG..S, DG..ST)
Operating Limits, Durability & Lifecycle
- Designed Lifetime
- Up to 10 years or specified switching cycles (model‑dependent)
Standards & Certifications
- Approvals
- EN 1854, Gas Appliances Regulation (EU) 2016/426, CE (EN 1854), SIL 3 (EN 61508), PL e (ISO 13849), FM, UL, AGA Approved (except DG..S), Eurasian Customs Union
Processing & Performance Metrics
- Adjusting Range
- Approximately 0.5 up to 500 mbar (model‑dependent)
Temperature Control/Measurement
- Temperature Rating
- -15 to +60 deg C (others)
- -20 to +80 deg C (DG, DG..U, DG..I)
- -40 to +60 deg C (DG..T)
Safety, Protection & Reliability
- Reset Options
- Manual reset for lock-off models
- Protection Class
- IP54/IP65 (DG), NEMA 4 (DG..T)
Overview
- Product Type
- Diaphragm pressure switch for gas and air
Product Overview & Classification
- Primary Function
- Monitoring and switching of gas and air pressures
Applications & Compatibility
- Media Compatibility
- Natural Gas, Town Gas, LPG (gaseous), Flue Gas, Biogas (≤ 0.1% H₂S), Air
- Hazardous Area Use
- Suitable for Zone 1 and 2 with isolating amplifier; Zone 2 without amplifier
Connections & Interfaces
- Mechanical Connection
- Rp 1/4 in, Rp 1/8 in (DG); 1/4 in NPT/1/8 in NPT (DG..T)
- Electrical Connections
- Screw terminals, M16 cable gland, 1/2 in NPT conduit, 4-pin plug/socket
Electrical Specifications
- Maintenance Interval
- At least once per year (twice per year for biogas)
Installation & Mounting Specifications
- Installation Orientation
- Vertical, horizontal, or inverted (switching point must be verified)
Material Specifications
- Diaphragm Material
- NBR (standard), IIR (DG..S, DG..ST)
Operating Limits, Durability & Lifecycle
- Designed Lifetime
- Up to 10 years or specified switching cycles (model‑dependent)
Standards & Certifications
- Approvals
- EN 1854, Gas Appliances Regulation (EU) 2016/426, CE (EN 1854), SIL 3 (EN 61508), PL e (ISO 13849), FM, UL, AGA Approved (except DG..S), Eurasian Customs Union
- Adjusting Range : Approximately 0.5 up to 500 mbar (model‑dependent)
- Temperature Rating : -15 to +60 deg C (others)|-20 to +80 deg C (DG, DG..U, DG..I)|-40 to +60 deg C (DG..T)
- Reset Options : Manual reset for lock-off models
- Protection Class : IP54/IP65 (DG), NEMA 4 (DG..T)
- Product Type : Diaphragm pressure switch for gas and air
- Primary Function : Monitoring and switching of gas and air pressures
- Media Compatibility : Natural Gas, Town Gas, LPG (gaseous), Flue Gas, Biogas (≤ 0.1% H₂S), Air
- Mechanical Connection : Rp 1/4 in, Rp 1/8 in (DG); 1/4 in NPT/1/8 in NPT (DG..T)
- Maintenance Interval : At least once per year (twice per year for biogas)
- Installation Orientation : Vertical, horizontal, or inverted (switching point must be verified)
- Hazardous Area Use : Suitable for Zone 1 and 2 with isolating amplifier; Zone 2 without amplifier
- Electrical Connections : Screw terminals, M16 cable gland, 1/2 in NPT conduit, 4-pin plug/socket
- Diaphragm Material : NBR (standard), IIR (DG..S, DG..ST)
- Designed Lifetime : Up to 10 years or specified switching cycles (model‑dependent)
- Approvals : EN 1854, Gas Appliances Regulation (EU) 2016/426, CE (EN 1854), SIL 3 (EN 61508), PL e (ISO 13849), FM, UL, AGA Approved (except DG..S), Eurasian Customs Union
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