Delta Controls has recently obtained GGTN-K Permit # 19-04-10/UL-1045 and a Letter of Exemption to enable the GR Series Pressure, Differential Pressure and Temperature Switches to be imported and put into operation in Kazakhstan.

For copies of these documents, please refer to the following links:
Letter of Exemption
GGTN-K Permit

Delta’s popular compact, Exd Pressure Switch is now available with a hermetic microswitch option, giving added protection of switch contacts against corrosion in the harsh environments in which these OEM switches are often used.

This new microswitch option is available in an SPDT configuration and has a rating of 1A @ 28VDC. 

Delta Controls has recently obtained GGTN-K Permit # 19-04-10/ЮЛ-2647 and a Letter of Exemption to enable the model 387 Pressure Transmitter (Customs Commodity code: 9026 20 200 0) to be imported and put into operation in Kazakhstan.

The VM Series Pressure Switches are now available for use in Zone 20 (Dust) Hazardous Areas as well as Zone 0 (Gas) for which they were originally approved.

ATEX marking is now as follows:

Ex d IIC T6 Gb -20°C to 65°C
Ex d IIC T5 Gb -20°C to 80°C
Ex t IIIC T75°C Db IP66 -20°C to 65°C
Ex t IIIC T75°C Db IP66 -20°C to 65°C

Delta’s Sentry Series Pressure Switches have now been independently tested and proved to meet the NEMA 4X ingress protection / corrosion protection level as defined in the NEMA 250 standard.

Sentry Series Pressure Switches are now available for use in Zone 0 (Gas) and Zone 20 (Dust) Hazardous Areas and have the following markings:

II 1GD  Ex ia IIC T5 / T6 Ga 
            Ex ia IIIC T100°C / T85°C Da 

 Hydrogen, is the simplest and smallest atom element and can in some situations penetrate thin isolating diaphragms such as those typically used in diaphragm based switches.