45 Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice PROCESS AUTOMATION TECHNOLOGY Volume booster Series Flowplus Process automation technology Catalogue Available in 2 sizes with connections from 1/4” NPT to 1” NPT Available in aluminium with epoxy coating paint or in stainless steel AISI 316L Stainless steel AISI 316L versions according to NACE MR0175 - ISO15156/1 Compact and linear design Robust and reliable construction Double hysteresis rolling membrane system High stability and repeatability High flow rate performances Wide temperature range application 1:1 ratio between pilot pressure and outlet pressure Integrated by-pass valve for reliable adjustment of the system sensitivity Uni and bi-directional flow regulators available Atex certification II 2GD, SIL3 and CU-TR 012 Volume booster Technical characteristics Size Size 3 Size 4 Type Aluminium with epoxy coating paint Stainless steel AISI 316L IN / OUT / EXH connections 1/4” NPT - 1/2” NPT 3/4” NPT - 1” NPT Pilot connection 1/4” NPT Operational characteristics Size Size 3 Size 4 Fluid Dry and clean air Inert gas Natural gas Maximum working pressure 13 bar Minimum working pressure 2 bar Maximum signal pressure 8 bar Minimum signal pressure 2 bar Working temperature and seals -30°C ... +80°C - NBR seals (Standard version) -50°C ... +80°C - NBR LT seals (L version) -60°C ... +80°C - PUR - SILICONE seals (Z version) -5°C ... +150°C - FPM - HNBR seals (H version) -40°C ... +100°C - EPDM-FDA seals (EF version) Signal pressure / outlet pressure ratio 1:1 ± 5% Assembly configuration Stand alone With fixing bracket Assembly positions Indifferent Weights Size Size 3 Size 4 1/4” NPT 1/2” NPT 3/4” NPT 1” NPT Aluminium version without flow regulators 2040 g 2010 g 4470 g 4380 g Aluminium version with uni-directional flow control regulator 2098 g 2070 g 4478 g 4394 g Aluminium version with bi-directional flow control regulators 2122 g 2094 g 4515 g 4433 g Stainless steel AISI 316L version without flow regulators 5460 g 5344 g 11532 g 11308 g Stainless steel AISI 316L with uni-directional flow control regulator 5476 g 5360 g 11560 g 11336 g Stainless steel AISI 316L with bi-directional flow control regulators 5491 g 5375 g 11574 g 11350 g Flow capacity Cv table Size Size 3 Size 4 1/4” NPT 1/2” NPT 3/4” NPT 1” NPT Output 2,5 4,2 7 9,4 Exhaust 2,5 4,2 7 9,4 1 2 3 12 12 1 2 3 1 2 3 12 1 2 3 12
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