Flanged chemical seals D801 - D804 - D850 - D851 Process type chemical seals (D801 - D804) Chemical seals with extension (D850 - D851) D801 - D804 - D850 - D851 series are designed for the measurement of gauge pressure between 160 mbar and 250 bar and absolute pressure on corrosive fluids in temperature ranges between ‑60…+200°C. Type of assembly G 1/2 female PN DN Class Min. measurement range ØA 48.3 50 10 to 50 2" 150 to 300 0 + 4 bar -1 + 9 bar 90 10 to 50 3" 150 to 300 0 + 1 bar -1 + 3 bar 76.1 100 10 to 50 4" 150 to 300 -1 + 0 bar and absolute pressure 0 + 0.16 bar 94 D851: Chemical seal with extension, ring joint face RTJ according to AINSI standard DN Class Min. measurement range ØA 2" 300 0 + 4 bar -1 + 9 bar 48.3 3" 150 to 300 0 + 1 bar -1 + 3 bar 76.1 4" 150 to 300 0 + 160 mbar -1 + 0 bar and absolute pressure 94 Flange and extension Stainless steel 1.4404 (AISI 316L) Diaphragm Stainless steel 1.4435 (AISI 316L), Hastelloy C276, Uranus B6, Hastelloy B2, Tantalum Measurement ranges Chemical seal mounted on pressure gauge DN 100 Fluid temperature: -20°C ≤ T ≤ 100°C Ambient temperature: -10°C ≤ T ≤ 50°C Standard extension 50-100-150 mm DN D850, raised face according to ANSI G 1/2 female Standard extension 50-100-150 mm D850: according to ISO/EN The maximum permissible pressure depends on the PN of the flange and its standardised pressure/temperature relation. For other service conditions see our «Chemical Seal Technical Guide» www.baumer.com/process Modifications reserved. Data sheet A42.03 Page 1 Type of assembly Conforms to ISO / EN1092-1 D801: Process type chemical seal, flat face EN / ISO PN Codes DN EN PN ISO PN Min. measurement range ØA 01 50 16 to 400 10 / 16 25 / 40 0 + 1 bar -1 + 3 bar 54 02 80 16 to 400 10 / 16 25 / 40 0 + 160 mbar -1 + 0 bar and absolute pressure 89 03 100 16 to 400 10 / 16 25 / 40 -1 + 0 bar and absolute pressure 0 + 0.16 bar 89 Diaphragms: Stainless steel 1.4435 (AISI 316L), Hastelloy C276, Uranus B6, Hastelloy B2, Tantalum Conforms to ANSI D801: Process type chemical seal, flat face DIN 2501 / ISO PN Codes DN Class Min. measurement range ØA 11 2" 150 0 + 1 bar 54 12 2" 300 to 2500 0 + 1 bar 54 13 3" 150 0 + 160 mbar 89 14 3" 300 to 2500 0 + 160 mbar 89 15 4" 150 to 2500 0 + 160 mbar 89 Diaphragms: Stainless steel 1.4435 (AISI 316L), Hastelloy C276, Uranus B6, Hastelloy B2, Tantalum D804: Process type chemical seal, ring joint face RTJ Codes DN Class Min. measurement range ØA 01 02 2" 150 0 + 1 bar 54 2" 300 to 600 0 + 1 bar 54 03 2" 900 to 1500 0 + 1 bar 89 04 2" 2500 0 + 1 bar 89 05 3" 150 0 + 160 mbar 89 06 3" 300 to 600 0 + 160 mbar 89 07 3" 900 0 + 160 mbar 89 08 3" 1500 0 + 160 mbar 89 09 3" 2500 0 + 160 mbar 89 Diaphragms: Stainless steel 1.4435 (AISI 316L), Hastelloy C276, Uranus B6, Hastelloy B2, Tantalum The maximum permissible pressure depends on the PN of the flange and its standardised pressure/temperature relation. www.baumer.com/process Modifications reserved. Data sheet A42.03 Page 2 Codification Type of chemical seal D801 - D804 Process type chemical seal standard ISO / EN (see table on previous page) D801 ANSI (see table on previous page) D801 D804 1´ ... 4´ digit Dxxxxx2xxxxx Dxxx 5' ...6' digit xx xx xx Housing material Stainless steel (1.4404) 7´ digit Diaphragm material Stainless steel 316L (1.4435) Uranus B6 (1.4539) Hastelloy B2 (2.4617) Hastelloy C276 (2.4819) Tantalum 8´ digit Diaphragm coating No coating PTFE 0.02 mm HALAR 0.2 mm 9´ digit 2 2 3 5 6 7 0 1 4 Mounting and type of pipe 10´ digit Stainless steel capillary pipe with stainless steel protection A B Stainless steel capillary pipe with stainless steel protection and PVC sheath Stainless steel capillary pipe with reinforced stainless steel protection C Pipe length Length 1 m Length 1.5 m Length 2 m Length 3 m Length 4 m Length 4.5 m Length 5 m Length 6 m Length 7 m Length 8 m Length 9 m Length 10 m Length 11 m Length 12 m 11´ digit Connection on measuring instrument side G 1/2 female 1/2 NPT female 12´ digit 1 E 2 3 4 F 5 6 7 8 9 A C D www.baumer.com/process Modifications reserved. L N Data sheet A42.03 Page 3 Codification 1´ ... 4´ digit Dxxxxxxx2xxxxx Dxxx Mounting and type of capillary 5´ digit Direct mounting Stainless steel capillary with stainless steel protection Stainless steel capillary with stainless steel protection and PVC sheath Stainless steel capillary with reinforced stainless steel protection 1 A B C Capillary length No capillary (direct mounting) Length 1 m Length 1.5 m Length 2 m Length 3 m Length 4 m Length 4.5 m Length 5 m Length 6 m Length 7 m Length 8 m Length 9 m Length 10 m Length 11 m Length 12 m Other 6´ digit 0 1 E 2 3 4 F 5 6 7 8 9 A C D x Connection on measuring instrument side G 1/2 female G 1/4 female 1/2 NPT female 1/4 NPT female 7´ digit Flange standard ISO flange ANSI B 16-5 flange DIN 2501 flange EN1092-1 flange 8´ digit Flange material Stainless steel (1.4404) 9´ digit L H N 8 10´ digit DN ANSI DN 2" DN 3" DN 4" ISO / EN DN 50 DN 80 DN 100 11´ digit Extension Extension length 50 mm Extension length 100 mm Extension length 150 mm 12´ digit Diaphragm material Stainless steel 316L (1.4435) Uranus B6 (1.4539) Hastelloy B2 (2.4617) Hastelloy C276 (2.4819) Tantalum 13´ digit Diaphragm coating and flange facing No coating 14´ digit www.baumer.com/process 1 2 3 4 2 PN ANSI Class 150 Class 300 ISO / EN PN 10 PN 16 PN 20 PN 25 PN 40 PN 50 Modifications reserved. UK/02-2011 This data sheet must only be copied in full. Type of chemical seal D850 - D851 1 2 C D E F G H 7 9 V H K L 1 2 3 2 3 5 6 7 0 Data sheet A42.03 Page 4