Filer Regulaor wih ack Flow Mechanism K/3K/4K 3 K F 3 ow o Order ircui diagram 3 4K K hen he air supply is cu off and releasing he inle pressure o he amosphere, he residual pressure release of he oule side can be ensured for a safey purpose. ih back flow mechanism andard specificaions Filer regulaor Filer regulaor ody size 3 4 ih back flow mechanism oe) comes wih a back flow mechanism as a sandard feaure. If he se pressure is no exceeding.5mpa, back flow may no occur. hen a back flow mechanism is required wih a se pressure of less han.5mpa, conac M. Thread ype oe ) F oe ) Rc PT oe ) rain guide is PT /4 (applicable o 3K and 4K), and he exhaus por for auo drain comes wih ø3/" One-ouch fiing (applicable o 3K and 4K). oe ) rain guide is /4 (applicable o 3K and 4K). 3 4 Por size / /4 3/ / s Fluid Proof pressure Maximum operaing pressure e pressure range oe ) Pressure gauge por size oe ) Relief pressure mbien and fluid emperaure ominal filraion raing rain capaciy (cm 3 ) owl maerial owl guard onsrucion eigh (kg) Opional specificaions oe 4) R pplicable model. o.mpa seing K o 4K K o 4K ylon bowl K o 4K wih level gauge 3K, 4K ih bowl guard K rain guide /4 3K, 4K on-relieving ype K o 4K Flow direcion: Righ o lef K o 4K rain cock wih barb fiing: ø x ø4 nylon ubing 3K, 4K ame plae, cauion plae for bowl, and pressure gauge in imperial unis (PI, F) K o 4K hen more han one specificaion is required, indicae in alphanumeric order. oe 4) The only difference from he sandard specificaions is he adjusing spring for he regulaor. I does no resric he seing of.mpa or more. ihou a valve funcion. oe ) For PT hread ype. This produc is for overseas use only according o he new Measuremen Law. (The I uni ype is provided for use in apan.) ccessories oe 3) ih bracke Floa ype auo drain (..) oe ) Floa ype auo drain (.O.) oe ) ih square embedded ype pressure gauge (wih limi indicaor) K o 4K ih round pressure gauge (wih limi indicaor) K o 4K ih se nu (for panel moun) K o 4K K /, /4 3K /4, 3/ 4K /4, 3/, / 4K- ir.5mpa.mpa.5 o.5mpa Rc, PT, / Rc, PT, / Rc, PT, /4 Rc, PT, /4 e pressure +.5MPa [a relief flow rae of.l/min (R)] 5 o (wih no freezing) 5µm 5 45 45 Polycarbonae Opion andard Relieving ype.3.4..5 oe ) e he inle pressure.5mpa or higher han he se pressure. oe ) Pressure gauge connecion hreads are no required for regulaors wih a square embedded ype pressure gauge (K o 4K). ccessory par no. pplicable model ccessory oe ) racke assembly e nu oe ) Pressure gauge Floa ype auo drain.mpa.mpa ody size 3 4 Round quare oe 3) embedded ype Round quare oe 3) embedded ype oe ) K P- RP- 3-- 3-3-- 3-3K R3P- R3P- 3-- 3-3-- 3-3 3 3 3 4K R4P- R4P- 4-- 3-4-- 3-4 4 4 4 pplicable model K o 4K K o 4K 3K, 4K oe ) Opional pars are no assembled and are supplied loose a he ime of shipmen (excep for opions, and ). oe ) pplicable ube O. for auo drain connecion should be ø3/" in case PT hread por is chosen. 4K- R4P- R4P- 4-- 3-4-- 3-4 4 4 4 oe 4).O... oe ) ssembly includes a bracke and se nus. oe ) in par numbers for a round pressure gauge indicaes a ype of connecion hread. o indicaion is necessary for R; however, indicae for PT. onac M regarding he connecion hread PT and pressure gauge supply for PI uni specificaions. oe 3) Includes one O-ring and mouning screws. oe 4) Minimum operaing pressure:.o. ype.mpa;.. ype.mpa () and.5mpa (3/4). onac M regarding he specificaions for PI uni and F. hen is specified in he end of par number of auo drain, applicable ube O. should be ø3/".
Filer Regulaor wih ack Flow Mechanism K/3K/4K Flow haracerisics (Represenaive values) K Pressure haracerisics (Represenaive values) K 4K..5.4.3...5. 4 Flow rae L/min (R) 4K /..5.4.3.. /4 3 Flow rae L/min (R) 3K.5. ondiion: Inle pressure.mpa 4K-..5.4.3....5.4.3.. 3/ 5 5 Flow rae L/min (R) 3 4 Flow rae L/min (R) ondiions: Inle pressure.mpa Oule pressure.mpa Flow rae L/min (R) pecific Produc Precauions e sure o read before handling. Refer o pages 5 hrough for safey insrucions and F.R.L. uni precauions. Mouning & djusmen arning. e he regulaor while checking he displayed values of he inle and oule pressure gauges. Turning he knob excessively can cause damage o he inernal pars.. The pressure gauge included wih regulaors for. o.mpa seing is for up o.mpa use. xceeding.mpa of pressure can damage he gauge. 3. o no use ools on he pressure regulaor knob as his may cause damage. I mus be operaed manually. auion. e sure o unlock he knob before adjusing he pressure and lock i afer seing he pressure. Failure o follow his procedure can cause damage o he knob and he oule pressure may flucuae. Pull he pressure regulaor knob o unlock. (You can visually verify his wih he "orange mark" ha appears in he gap.) Push he pressure regulaor knob o lock. hen he knob is no easily locked, urn i lef and righ a lile and hen push i (when he knob is locked, he "orange mark", i.e., he gap will disappear). Orange mark.5.5..3.4.5....9..3.4.5....9 3K 4K-.5.5..5..3.4.5....9..5..3.4.5....9. knob cover is available o preven careless operaion of he knob. Refer o Feaures for deails. Mainenance arning. Replace he elemen every years or when he pressure drop becomes.mpa, whichever comes firs o preven damage o he elemen. 4
K/3K/4K Operaing Principle - w Figure ormal M P U o L O K Pressure in diaphragm chamber Inle pressure () e Figure 3 Figure ack flow q Pressure in diaphragm chamber Inle pressure () (Inle pressure) (Oule pressure) (Inle pressure) r (Oule pressure) hen he inle pressure (P) is higher han he se pressure, he check valve w closes and operaes as a normal regulaor (Figure ). hen he inle pressure (P) is shu off and released, he check valve w, opens and he pressure in he diaphragm chamber q is released ino he inle side (Figure ). This lowers he pressure in he diaphragm chamber q, and he force generaed by pressure regulaor spring e lifs he diaphragm. Valve r opens hrough he sem, and he oule pressure is released o he inle side (Figure 3). onsrucion K o 4K - i w M P U o L O K q Pars lis o. o. 3 ody onne Valve assembly Maerial K 3K 4K 4K- inc die-cas luminum die-cas Plainum silver Polyaceal lack Maerial ainless seel rass, R K P-9 Pars no. 3K 3P-9 4K 4P-9 (Inle pressure) oe 4K- 4P-9 (Oule pressure) y e r u 4 5 5 Filer elemen iaphragm assembly owl O-ring owl assembly oe ) heck valve assembly oe 3) on-woven fabric FP- F3P- F4P- oe ) Including O-Ring. onac M regarding he bowl assembly supply for PI and F uni specificaions. oe ) owl assembly for 3K o K includes a bowl guard (seel band maerial). oe 3) heck valve consrucion includes he check valve iself, check valve cover, and screws. F4P- eaherabiliy R R P POM, PT RP-5 FP- F RKP- R3P-5 3FP- 3F oe ) RKP- R4P-5 4FP- 4F oe ) RKP- R4P-5 4FP- 4F oe ) RKP-
O Filer Regulaor wih ack Flow Mechanism K/3K/4K imensions K/3K/4K Panel fiing dimension Y M U racke (opion) T Q Plae hickness K, 3K: Max. 3.5 4K: Max. 5 V P K Pressure gauge (opion) quare embedded ype pressure gauge (opion) Pressure gauge por size Min. clearance for mainenance rain pplicable model K ih auo drain (..) ih auo drain (.O./..) 3K, 4K, 4K- wih level gauge ih drain guide rain cock wih barb fiing Opional specificaions O.O.: lack..: rey ø One-ouch fiing M5 x. arb fiing idh across flas /4 pplicable ubing: T4 K 3K 4K 4K- /, /4 /4, 3/ /4, 3/, / 4 53 5 andard specificaion 39 4 3 9 93 5 59 5 5 4 5 3 3 4 55 ccessory specificaion ih pressure gauge racke mouning size Panel moun ih auo drain 3 3.5 3.5 3.5 K 5 3.5.5. M 3 4 5 5 34 4 P 44 4 5 Q 5.4.5.5.5 5.4.5.5 T 55 53 U V 3 3 35.5 3.5 3.5 4.5 4.5 Y 4 9 4 K 3K 4K 4K- /, /4 /4, 3/ /4, 3/, / Opional specificaion ih barb fiing ih drain guide wih level gauge 9 4 5 4 49 4 5 55 34 5
Filer Regulaor (K) o 4(K) Made o Order pecificaions onac M for deailed dimensions, specificaions, and lead imes. Made o Order eih igial Pressure wich igial pressure swich (I3---L) is supplied loose for mouning on pressure gauge connecion por. pecificaions Par number suffix Pressure swich e pressure range (MPa) e and display resoluion (MPa) Power supply volage Power consumpion *Pressure gauge por size: / X45 I3---L. o. o 4 V ± %, Ripple (p-p) % or less (wih power supply polariy proecion) 45 m or less ( m or less for curren oupu) pplicable models (K) 3(K) 4(K) 4(K)- /, /4 /4, 3/ /4, 3/, / oe ) F oe ) Thread ype Rc PT Filer regulaor ody size ih back flow mechanism K ih back flow machanism oe ) rain guide is PT/4 (applicable o 3 o 4), and he exhaus por for auo drain comes wih ø3/" One-ouch fiing (applicable o 3 o 4). oe ) rain guide is /4 (applicable o 3 o 4). 3 4 Por size / /4 3/ / 3 4 ow o Order 3 K F 3 X45 ody size 3 4 oe 4) R oe ) ih digial pressure swich (eries I3) oe ). o.mpa seing ylon bowl wih level gauge ih bowl guard rain guide /4 on-relieving ype Flow direcion: Righ o lef rain cock wih barb fiing: ø x ø4 nylon ubing ame plae and cauion plae for bowl in imperial unis (PI, F) Opional specificaions pplicable model (K) o 4(K) (K) o 4(K) (K) o 4(K) 3(K), 4(K) (K) 3(K), 4(K) (K) o 4(K) (K) o 4(K) 3(K), 4(K) (K) o 4(K) hen more han one specificaion is required, indicae in ascending alphanumeric order. oe 4) The only difference from he sandard specificaions is he adjusing spring for he regulaor. I does no resric he seing of.mpa or more. ihou a valve funcion. oe ) For hread ype PT. This produc is for overseas use only according o he new Measuremen Law. (The I uni ype is provided for use in apan.) Opion oe 3) ih bracke Floa ype auo drain (..) oe 4) Floa ype auo drain (.O.) oe 4) ih se nu (for panel moun) wich specificaions Oupu specificaions P oupu PP oupu o 5V oupu 4 o m oupu oe ) Opional pars are no assembled and are supplied loose a he ime of shipmen. pplicable model (K) o 4(K) (K) o 4(K) 3(K), 4(K) (K) o 4(K) oe 3) Opional pars are no assembled and are supplied loose a he ime of shipmen (excep for opions and ) oe 4) pplicable ube O. for auo drain connecion should be ø3/" in case PT hread por is chosen. oe ) onsul M for deailed dimensions and available aachmens and opions. oe 9) Refer o M caalogue T.-4 for deailed specificaions and insrucions of digial pressure swich.