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Engineering Specifications <br /> waterflow detectors shall be installed on system piping as designated on the drawing and/or as specified herein. <br /> Detectors shall mount on any clear pipe span of the appropriate nominal size, either a vertical upHow or horizontal run,at least 6" <br /> from any fittings which may change water direction, flow rate,or pipe diameter or no closer than 24"from a valve or drain. Detectors <br /> shall have a sensitivity in the range o[4tolO gallons per minuteand a static pressure rating uf45U psi for 2'''8'' pipes.The <br /> detector shall respond towutrOmmin the specified direction after o presuLUmage|aywhichis5oNadjustab|e.Thede|aymacho- <br /> nismshoUbaag$o|edmechanicu| pneumabnunitwithvisuo( indicoduncfoctuacion.TheactuadonmechsnismuhuUinduUea <br /> polyethylene vane inserted through a hole inthe pipe and connecteduya mechanical linkage to the delay mechanism, Outputs shall <br /> consist of dual SPOT switches (Form C contacts).Two conduit entrances for standard flttings of commonly used electrical conduit <br /> shall be provided on the detectors. A grounding provision is provided. Unless noted, enclosures shall be NEMA 4 listed by <br /> Underwriters Laboratories Inc.All detectors shall be listed byUnderwriters Laboratories Inc.for indoor oc outdoor use. <br /> Standard Specifications <br /> Static Pressure Rating Conduit Entrances Service Use <br /> 450ps/ Two openings for nz'conduit.One�open,one m^mmau000rmmunwrrw'13 <br /> x�c�uu �v mem Two mmoxow�xno:w�w1xu <br /> Triggering Threshold— ----`�—� �-'-' n"�u�ualoccupon�p,u,uu^s�ne,:wrm1zn <br /> ^�nspm o���nnn'mo�x�'««a�e National Fire Alarm uoue wpp*rz <br /> xrrm12o~r(o^cto4o^� � <br /> Maximum surge mm,,aoty <br /> 1u Feet Per Second(FPS) Enclosure Rating" xmao <br /> mcwA 4'm/mulom,/nuvmnmonumvse <br /> cmnpotuuannv: � ua.Patent Numbers <br /> Steel water pipe,schedule 10 through 4u Cover Tamper Switch 3.645,259 <br /> Snu^,uvwmuLomodels ^./oo.xaa <br /> Contact Ratings Standard <br /> for uLmodels,part no.5*6-7000 5.213.205 <br /> Two sets or SPOT(Form o) <br /> 10.0A, 1/2xp@ 125/250x^c Shipping smkmc <br /> 2.5Ae6/12/24vou wFozo:4.2Itu. wrcwo:s.zm,. <br /> wFo25'4.3ms. wFoso.s.aus. <br /> Overall Dimensions Installed: wF030'4.5/ua. wrouu:s.o/ua. <br /> wrao 4.5uo. wrnanr.s/us. <br /> .ruo. <br /> "~~= <br /> q[WA FD26 4'6 F)11 7 <br /> "b.1,~. <br /> Ordering Information <br /> uL Model Numbers Part Number Description <br /> WFD30-21 WFD30-2A 3" 2" WFDW Tamer proof wrench for cover <br /> -` —_- ..~.,, Gasket kit <br /> ' =,""" <br /> ' <br /> ''~~~ <br /> *UL listed only. <br /> System Sensor Sales and Service <br /> System Sensor Headquarters System Sensor/pCanada System Sensor m China System Sensor m the Far East System Sensor mIndia <br /> 31325mhio Avenue nxo��12.ms7 Ph:+a�29.a2Csx53 Ph:~85z21n19003 Ph:+m.n.558o1m <br /> St.Charles,uamw noma.m2.o7r1 m:+oaze.sm.snse e:~000.27xsssuo mF~m.11.5sr.6ms <br /> m'oOOmENaono <br /> m.'sso/377a4na System Sensor/nc"mp" System Sensor/nSingapore System Sensor mAustralia <br /> Documents onDemand: px`~*4^1^oa.z7saou Ph:~sa.2nzaoo Ph:~s1u.o4.uu1.142 <br /> l-Emn-736-7672,3 m`~w./4om.27ssn1 rx:~os.oa.as/o m:+s1x.o4.za1.1/u <br /> *�:www.systemsensor.com <br /> *`yvow°i:emsm""^niacompany re,",=sum,m^n to change product spmmca`lons w1uloutmw:^ ^05"00-06'6^0(5w'0545 <br />