High-quality pressure sensor with mounted diaphragm seal With flange connection, flush diaphragm Model DSS27T

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Pressure High-quality pressure sensor with mounted diaphragm seal With flange connection, flush diaphragm Model DSS27T WIKA data sheet DS 95.13 Applications For aggressive, highly viscous, crystallising or hot media Process industry Machine building and plant construction Special features Flange with a flush welded diaphragm Robust, all welded design Universal application Diaphragm seal system, model DSS27T Description Diaphragm seal systems are used to protect the pressure measuring instrument from aggressive, adhesive, crystallising, corrosive, highly viscous, environmentally hazardous or toxic media. The diaphragm made of stainless steel provides for the separation from the medium. The pressure is transmitted to the measuring instrument via the system fill fluid which is inside the diaphragm seal system. Due to its design with flange connection and flush diaphragm the DSS27T is suitable for all commonly used standard flanges and is mounted for pressure measurement in lieu of a blind flange. The DSS27T is ideally suited for demanding measuring tasks and achieves a very high accuracy. It offers the advantage of being able to transmit the measuring signal directly and to combine it with a variety of electrical connections. Mounting of the diaphragm seal to the measuring instrument is made via direct mounting as standard. The DSS27T is particularly well suited for aggressive, highly viscous, crystallising or hot media. The measuring system is successfully used worldwide in the chemical process and petrochemical industries with high measuring requirements. WIKA data sheet DS 95.13 09/2018 Page 1 of 5 Data sheets showing similar products: High-quality pressure sensor with mounted diaphragm seal; with flange connection, internal diaphragm; model DSS26T; see data sheet DS 95.10

Specifications Model DSS27T Design Current output Power supply Accuracy at reference conditions Permissible load in Ω Current supply Dissipation loss Reference conditions (per IEC 61298-1) Pressure limitation Permissible temperature range Medium Ambient Storage High-quality pressure sensor, diaphragm seal with flange connection, flush diaphragm 4... 20 ma (2-wire) DC 8... 35 V ±0.5 % of span Current output (power supply - 7.5 V) / 0.023 A Max. 25 ma 828 mw Temperature: 15... 25 C [59... 77 F] Atmospheric pressure: 860... 1,060 mbar [12.5... 15.4 psi] Humidity: 45... 75 % r. h. Power supply: DC 24 V Mounting position: Calibrated in vertical mounting position with pressure connection facing downwards. < 10 bar [150 psi]: 3 times 10 bar [150 psi]: 2 times -10... 150 C [14... 302 F] 10... 40 C [50... 104 F] 10... 60 C [50... 140 F] Ingress protection IP65 per IEC/EN 60529 Material wetted non-wetted Diaphragm: Stainless steel 1.4435 [316L] Diaphragm seal: Stainless steel 1.4435 [316L] Case: Stainless steel 1.4571 [316Ti] Zero adjustment ring: PBT/PET GF30 Angular connector: PBT/PET GF30 Level of cleanliness of wetted parts System fill fluid Permissible humidity (per IEC 68-2-78) Oil and grease free per ASTM G93-03 level F and ISO 15001 (< 1,000 mg/m²) Silicone oil KN 2 for general applications 67 % r. h. at 40 C [104 F] (in accordance with 4K4H per EN 60721-3-4) Measuring ranges in bar [psi] Gauge pressure 0... 1 [0... 15] 0... 1.6 [0... 25] 0... 2.5 [0... 40] 0... 4 [0... 60] 0... 6 [0... 100] 0... 10 [0... 160] 0... 16 [0... 250] 0... 25 [0... 300] 0... 40 [0... 600] Vacuum and +/- measuring range -1... +5 [-30 inhg... +70] -1... +9 [-30 inhg... +130] -1... +10 [-30 inhg... +145] WIKA data sheet DS 95.13 09/2018 Page 2 of 5

Electrical connection Angular connector DIN 175301-803 A Electrical connection Ingress protection Wire cross-section Cable Permissible temperature 1) with mating connector IP65 max. 1.5 mm² 6... 8 mm -30... +100 C [-22... +212 F] 1) Only applies when plugged in using a suitable mating connector that has the appropriate ingress protection. Connection diagram Angular connector DIN 175301-803 A, 2-wire U+ 1 1 3 2 U- 2 Installation example, model DSS27T Pressure sensor Direct mounting Diaphragm seal Diaphragm (welded to diaphragm seal) H k d 4 D b flegend: H Installation height D Outer diameter of diaphragm seal d 4 Sealing face diameter k Pitch circle diameter b Flange thickness f Height of raised face 14216040.01 WIKA data sheet DS 95.13 09/2018 Page 3 of 5

Dimensions in mm [in] Legend: H Installation height Mb Effective diameter of diaphragm D Outer diameter of diaphragm seal b Flange thickness d₂ Bore diameter f Height of raised face k Sealing face diameter Sealing face diameter d 4 14216039.01 Type of process connection: Flange connection following EN 1092-1 Sealing face: Form B1 DN PN Dimensions in mm [in] H Mb D b k d 2 d 4 f 50 10/40 154 [6.063] 59 [2.323] 115 [4.528] 18 [0.709] 85 [3.346] 14 [0.551] 68 [2.677] 2 [0.079] 80 10/16 156 [6.142] 89 [3.504] 200 [7.874] 20 [0.787] 160 [6.299] 18 [0.709] 138 [5.433] 80 25/40 160 [6.299] 24 [0.945] Type of process connection: Flange connection following ASME B16.5 Sealing face: RF 125... 250 AA DN Class Dimensions in mm [in] H Mb D b k d 2 d 4 f 2" 150 155.5 [6.122] 59 [2.323] 150 [5.905] 19.5 [0.767] 120.7 [4.752] 19 [0.748] 92 [3.662] 2 [0.079] 300 158.7 [6.248] 165 [6.496] 22.7 [0.894] 127 [5] 3" 150 160.3 [6.311] 89 [3.504] 190 [7.48] 24.3 [0.957] 152.4 [6] 19 [0.748] 127 [5] 300 165 [6.490] 210 [8.268] 29 [1.142] 168.3 [6.626] 22 [0.866] WIKA data sheet DS 95.13 09/2018 Page 4 of 5

Certificates (option) 3.1 inspection certificate per EN 10204 (e.g. material proof for wetted metallic parts, calibration certificate) Approvals and certificates, see website Ordering information Scale range / Process connection (type of process connection, pipe standard, pipe dimension) / Parts / Certificates 03/2017 WIKA Alexander Wiegand SE & Co. KG, all rights reserved. The specifications given in this document represent the state of engineering at the time of publishing. We reserve the right to make modifications to the specifications and materials. 09/2018 EN WIKA data sheet DS 95.13 09/2018 Page 5 of 5 WIKA Alexander Wiegand SE & Co. KG Alexander-Wiegand-Straße 30 63911 Klingenberg/Germany Tel. +49 9372 132-0 Fax +49 9372 132-406 info@wika.de www.wika.de

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