34 Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice PROCESS AUTOMATION TECHNOLOGY Pressure range A 0 - 2 bar B 0 - 4 bar C 0 - 8 bar (0 - 7 bar for size 4) D 0 - 12 bar (0 - 10 bar for size 4) Options Standard L Low temperature Z Low temperature (-60 °C) H High temperature EF EPDM-FDA S R S 17 B N L 3B Version S Rough finishing F Clean profile Type Standard N without relieving Size and connections 2A Size 2 - 1/4” NPT 2B Size 2 - 3/8” NPT 2C Size 2 - G1/4” 3A Size 3 - 1/4” NPT 3B Size 3 - 1/2” NPT 3D Size 3 - G1/2” 4A Size 4 - 3/4” NPT 4B Size 4 - 1” NPT 4D Size 4 - G1” Example: SS173BRBNL Size 3 regulator, rough finishing, 1/2” NPT connection, pressure range 0 - 4 bar, without relieving, low temperature version. Order codes Design Process automation technology Catalogue Air service units Series 1700 Steel line Size 2 - Size 3 - Size 4
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