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Positioners - SAMSON
2004 – The Series 3730 Positioners are certified in accordance with IEC 61508 for use in safety-instrumented systems up to SIL 3. 2006 – News version with partial stroke testing for safety-instrumented systems are added to the Series 3730. 2006 – Production of flameproof Series 3731 Positioners starts . 2008 – The enhanced EXPERTplus valve
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Series 240 · Type 3241-1 and Type 3241-7 Pneumatic Control ...
www.samsongroup.comThe control valves with their modular design can be equipped with various accessories: Positioners, limit switches, solenoid valves and other accessories according to IEC 60534-6-1 1) and NAMUR recommendation. Refer to Information Sheet u T 8350 for more details. Versions Standard version for temperatures ranging from –10 to +220 °C
Series 250 · Type 3251-1 and Type 3251-7 Pneumatic Control ...
www.samsongroup.comThe valves can be equipped with a flow divider (u T 8081) for noise reduction. Pressure balancing must be used when high pressures or dif‑ ferential pressures act on the plug (Fig. 3). Fail-safe action Depending on how the springs are arranged in the pneumatic actuator (see Data Sheets u T 8310‑1, u T 8310‑2 and u
Self-operated Pressure Regulators Pressure Reducing Valve ...
www.samsongroup.comFor liquids, gases and steam up to 660 °F (350 °C) Features •Low-maintenance, medium-controlled, self-operated propor-tional regulators requiring no auxiliary energy •Easy set point adjustment at the valve •Field retrofit of actuator for simple change of set point range •No packing - stainless steel bellows provides zero-leak and fric-
Type 3730-3 Electropneumatic Positioner - Samson AG
www.samsongroup.comType 3730-3 Electropneumatic Positioner with HART® communication · Series 3730 Fig. 1: Type 3730, direct at-tachment to Type 3277 Pneumatic Actuator (new design) Fig. 2: Type 3730, attachment to NAMUR rib Fig. 3: Type 3730, attachment according to VDI/ VDE 3845 Fig. 4: Type 3730 · External position sensor with Type 3510 Micro-fl ow Valve
Type 3241-1 and Type 3241-7 Pneumatic Control Valves Type ...
www.samsongroup.comCast iron A126 B Cast steel A216 WCC Cast stainless steel A351 CF8M Cast steel A352 LCC Cast stainless steel A351 CF8 Forged steel A105 Forged stainless steel A182 F316 Pressure rating Class 125 250 150/300 300 Type of connection Flanges FF – RF 1) RF 1) Welding ends – – ASME B16.25 – Thread – NPT – –
Series 3725 Type 3725 Electropneumatic Positioner
www.samsongroup.comSeries 3725 Electropneumatic Positioner Type 3725 Mounting and Operating Instructions EB8394 EN(1300-1621) Firmware version1.0x EditionFebruary 2012 Fig.1· Type 3725 Positioner. 2 EB8394EN WARNING! indicates a hazardous situation which, if not avoided, could result in death or serious
Type 4708 Supply Pressure Regulator
www.samsongroup.comInstallation To avoid the formation of excessive condensate, the supply pressure regulator is to be installed as closely as possible to the compressor or the compressed air tank. The regulator is either mounted directly in the pipeline or into the appropriate panel cut-out. In addition, it may be attached directly to the
Type 3730-1 Electropneumatic Positioner - Samson AG
www.samsongroup.comPepperl+Fuchs inductive limit contact For connection to switching amplifier acc. to EN 60947-5-6. Can be used in combination with a software limit contact. SJ2-SN proximity switch Measuring plate not detected: ≥3 mA · Measuring plate detected: ≤1 mA
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archive.epa.govsteel tubing with a needle valve is inserted through the septum. The stainless steel tubing is attached to a two-stage regulator on a cylinder of high purity helium and the helium flow is adjusted using the needle valve to 5 mL per minute or less. The helium forces water out of the bottle and into the glass syringe. The amount of water taken