19256_PE44 VAT | Alldatasheet

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Technical content

CH-9469 Haag, Schweiz Product data sheet Large UHV gate valves, Series 192, DN 630 (25") Created by: SCHMC Release date: 10.04.2019 1/2 Modified by: Release date: 976995EA

Description

Actuator pneumatic, double acting – with solenoid valve – with position indicator Feedthrough Shaft feedthrough Technical data Leak rate – Valve body – Valve seat < 5 · 10 -10 mbar ls -1 < 1 · 10 -9 mbar ls -1 Pressure range 1 · 10 -10 mbar to 1 bar (abs) Differential pressure on the gate – in opening direction – in closing direction ≤ 1 bar ≤ 1 bar Differential pressure at opening ≤ 10 mbar Conductance (molecular flow) 186 000 ls -1 Cycles until first service 20 000 (unheated and un der clean conditions) Temperature (Maximum values: depending on operating conditions and sealing materials) – Valve body – Actuator – Solenoid valve – Position indicator ≤ 150 °C ≤ 80 °C ≤ 50 °C ≤ 80 °C Heating and cooling rate 30 °C h Material – Valve body – Mechanism – Bellows AISI 304 (1.4301) EN AW-6082 (3.2315), AISI 304 (1.4301) AISI 316L (1.4435) or AISI 304L (1.4306) Seal – Bonnet – Gate – Actuator Metal FKM (Viton ® ) NBR Mounting position any Volume of pneumatic actuator 4.8 l / 0.170 ft Compressed air min. – max. overpressure 6 – 9 bar / 87 – 131 psi Compressed air connection G ⅛’’ ( ⅛’’ NPT for USA) Actuation time – closing – opening 14 s 14 s Weight 390 kg / 860 lbs

CH-9469 Haag, Schweiz Product data sheet Large UHV gate valves, Series 192, DN 630 (25") Created by: SCHMC Release date: 10.04.2019 2/2 Modified by: Release date: 976995EA Behavior in case of compressed air pressure drop – Valve closed – Valve open – During actuation valve remains closed undefined undefined Behavior in case of power failure – Valve closed – Valve open – During actuation valve remains closed valve closes valve closes Electrical connections Solenoid valve Wiring diagram Type 5/2 way Voltage Defined by order Position indicator Wiring diagram Type Micro switch Voltage ≤ 250 V AC ≤ 50 V DC Current max. ≤ 3 A ≤ 1.2 A