Walter Schumacher Impuls-Technik GmbH Reessweg 7 D-74626 Bretzfeld - Bitzfeld series 250-251 phone +49 (0) 79 46 91 30-0 fax +49 (0) 79 46 91 30-10 email info@sit-ventile.de internet www.sit-ventile.de tax ID DE 166 067 0
data sheet series 250-251 page 2 suitabel for all neutral gases and liquids up to 21mm/s viscosity max. threades process connection G1/8 G2 / flange nominal width pressure range 8 15 mm 0 bar pressure difference optional protection class IP00 (with apparatus plug IP65 EN 60529) solenoid coil as per DIN EN 173301-803 (previous DIN 43 650) technical data material valve body 3.2315 (aluminium) 2.0380 (Brass) 1.4305 (stainless steel) 1.4571 (stainless steel) material inner parts 1.4104/1.4305/1.4571 sealing material static dynamic medium temperature ambient temperature fitting position operating cycles FPM (Viton) PTFE (Teflon) FPM (Viton) -10 C bis +80*C +80 C max. as specified by customer (ideally vertical) 2/min. (air) function 1 function 2 nc no electrical data input supply voltage 24 V DC 230 V 50/60 Hz another input supply voltage on request power consumption DC 25 Watt (DN 8/10) DC 32 Watt (DN 12/15) electr. connection tags 2-pin + grounding IP 00 connection by apparatus plug IP 65 input supply voltage 230 V 50/60 Hz only with apparatus plug with integrated rectifier thermal class H (180 ) as per VDE580 on-time 100% duty ratio perm. volt. fluctuation ± 10% perm. frequency fluct. ± 5% performance nominal width mm KV-factor water l/h Q/Nn-factor air l/min pressure max. bar 8 960 1 000 10 1 200 1 250 12 3 000 2 800 15 4 980 4 300 page 2
SIT dimensional drawing series 250 2/2 way valve nominal width (DN) 8 and 10 mm M5 / 8 y function 1 (nc) 25 2 1 function 2 (no) 25 110 ( no ) 97 ( nc ) 70 G prozess connection G: G1/8 - G1 we can deliver custumized valve bodies with conical thread, metric thread as well as connections to your specific requirements
SIT dimensional drawing series 250 2/2 way valve nominal width (DN) 12 and 15 mm y M6 / 12 funktion 1 (nc) 45 45 22,5 114 ( nc ) 30 30 90 G process connection G: G3/8 - G2 we can deliver custumized valve bodies with conical thread, metric thread as well as connections to yuer specific requirements
SIT dimensional drawing series 251 2/2 way valve nominal width (DN) 8 and 10 mm o-ring 10x1,5 (2pc.) included y function 1 (nc) 2 1 function 2 (no) 25 6,2 95 ( no ) 82 ( nc ) 28 15 hexagon socket head cap screw M5x25 DIN 912 (4pc.) as well as lock washers included 52 64 M5 10 max. 15 26 drilling pattern counterflange 28 1 2 52 min. 42 mm with serial assembly to next M5 / thread depth min. 7 mm 1 = pressure port 2 = control line quality of surface finish ensures sealing with o-ring process connection: flange 65x valve banks with valve series 251 on rquest
SIT Accessoires Plug-In Sockets 35 w. rectifier 27 29 ~48,5 27 M3 Number of poles Nominal voltage AC/DC Nominal current operating current transient resitance Wire crossection Supressor circuit Casing 2 + ground 250 V/300 V 16 A 6 A < 4mΩ 1,5 mm2 none Polyamide Cable screw connection M 16x1,5 Cable diameter 4,5-7 mm Protection IP 65 to EN 60529 (befor DIN 050) Insulation group C to VDE 110 Colour black Ambient temperature - 10 C / + 60 C part ID: 000.12.00021 f. AC with integrated rectifier 000.12.00022 AC/DC 000.12.00027 with LED f. 24 V DC Without cable
product query valve type O 2/2 way valve directly controlled O 2/2 way valve externally controlled O 3/2 way valve directly controlled O 3/2 way valve externally conrolled O NC O NO O alternate function O 2 x pressure entry 1 x outlet medium : pressure range bar : psi : delta p : Viskosität mm 2 /s : Engler : others : flow rate m 3 /h : l/min : others : temperature medium : ambiance : material casing : sealing : process connection threads connection : flange : others : input supply voltage AC : DC : explosion-proof O no O yes protection class : amount : delivery time : special requirements : title* : forename* : surname* : company* : street* : zip code* : town / city* : country* : email* : phone : fax : comments : send tofax: 0049 (0) 7946 91 30 10 print