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Bourdon tube

Pressure gauges

Bourdon tube pressure gauges for boiler and heating system applications ■■ ■■


Design as per EN 837-1 Corrosion-resistant, highly impact-resistant plastic housing Many customised versions available

Version: Plastic connection


Technical specifications

For gaseous and liquid media which are not highly viscous, do not crystallise and do not attack copper alloys and plastic. For measuring gas or vapour, these gauges must be used in accordance with the table "Selection Criteria as per EN 837-2" (see appendix)!

Type D1 Nominal size 26 – 28 Accuracy class (EN 837-1/6) 4.0 Range (EN 837-1/5) 0/4 bar Application area Static load: ¾ x full scale value Dynamic load: 2/3 x full scale value Short-term: full scale value

Standard version

Connection Back Plastic, integrated in housing: RF 26 = G1/8B RF 28 = M 10 x 1 Brass: G1/8B, M 10 x 1 Measuring element Bourdon tube, copper alloy "C" type tube Movement Brass


Operating temperature range Medium: Tmax = +60 °C Ambient: Tmin = -20 °C Tmax = +60 °C Temperature performance Indication error when the temperature of the measuring system deviates from the normal temperature of 20 °C: Rising temperature approx. ± 0.4 %/10 K Falling temperature approx. ± 0.4 %/10 K of full scale value Degree of protection IP 32 (EN 60529)

Dial Plastic (ABS), white Dial marking black Pointer Plastic, black Housing RF 26 = Plastic (PA6), black RF 28 = Plastic (PA6), white, back flange Window Clip-in plastic

Special scales Reference pointer ■■ Other brass connection ■■ ■■

Price €

DG: G, PG: 4 RF 26, plastic connection G1/8B RF 26, brass connection G1/8B RF 28, plastic connection M10 x 1 RF 28, brass connection M10 x 1 Minimum order quantity = 100 pieces per delivery




AFRISO Catalogue Domestic Technology 2019/20  

AFRISO Catalogue Domestic Technology 2019/20  

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