RETURN FILTERS. BYPASS VALVE Setting: 170 kpa (1,7 bar) ± 10% WORKING TEMPERATURE From -25 to C

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1 COMOETS RETUR ILTERS RH MATERIALS Head and cover: Aluminium alloy owl: olyammide ypass valve: olyammide Seals: R itrile KM luoroelastomer on request Indicator housing: rass ALICATIO EAMLE RESSURE (ISO 077-:2002) Max working: 0 ka (3 bar) Test: 500 ka (5 bar) ursting: Ma (0 bar) Collapse, differential for the fi lter element (ISO 294): 0 ka (3 bar) YASS VALVE Setting: 70 ka (,7 bar) ± 0% ORKIG TEMERATURE rom -25 to + 0 C COMATIILITY (ISO 2943) ull with fl uids: HH-HL-HM-HV-HTG (according to ISO 6743/4) or fl uids different than the above mentioned, please contact our Sales Department.

2 RH RETUR ILTERS ISTALLATIO DRAIG RH SIGLE ORT RH DOULE ORT Tank mounting pattern Tank mounting pattern Ø Ø Ø Ø M8 M8 ILTER HOUSIG D D2 D3 H R kg RH3 3/4 - - / ,95 RH32 3/4 - - / ,0 RH33 3/4 - - / ,25

3 RETUR ILTERS ORDERIG AD OTIO CHART RH R H TYE = ILTER COMLETE = ILTER HOUSIG AMILY, OMIAL SIZE & LEGTH ORT TYE = S thread A = S thread (double port A08 only) = T thread S = SAE thread ORT SIZE 06 = 3/4" 08 = " 0 = "/4 YASS VALVE = 70 ka (,7 bar) SEALS = R itrile = KM luoroelastomer A A A S S S ELET AMILY SIZE & LEGTH SEALS = R = KM E R A ILTER DIA ILTER DIA A = fiber 5 m(c) >.000 A A A A = fiber 5 m(c) = fiber 7 m(c) >.000 = fiber 7 m(c) C = fiber 2 m(c) >.000 C C C C = fiber 2 m(c) D = fiber 2 m(c) >.000 D D D D = fiber 2 m(c) = cellulose 0 m >2 = cellulose 0 m = cellulose 25 m >2 = cellulose 25 m = wire mesh 60 m = wire mesh 60 m CLOGGIG IDICATOR = nr. 2 x /8"ports, plugged = pressure gauge, rear connection = SDT, pressure switch hen the filter is ordered with KM seals, the first digit of the indicator code is a letter (please see page 84-85). AESSORIES = without = with filling plug AESSORIES = no other accessory available ILTER ELET A C kg Area (cm 2 ) Media + Media C+ ERA , C ERA , ERA , A

4 RH RETUR ILTERS ISTALLATIO DRAIG RH 4-42 H Tank mounting pattern ILTER HOUSIG D D2 D3 H R kg RH4 /2 / , RH42 /2 / ,60

5 RETUR ILTERS ORDERIG AD OTIO CHART RH R H TYE = ILTER COMLETE = ILTER HOUSIG AMILY, OMIAL SIZE & LEGTH ORT TYE = SAE flange 00 psi, double port 2 ORT SIZE 2 = /2" YASS VALVE = 70 ka (,7 bar) SEALS = R itrile = KM luoroelastomer ELET AMILY SIZE & LEGTH SEALS = R = KM E R A ILTER DIA ILTER DIA A = fiber 5 m(c) >.000 A A A = fiber 5 m(c) = fiber 7 m(c) >.000 = fiber 7 m(c) C = fiber 2 m(c) >.000 C C C = fiber 2 m(c) D = fiber 2 m(c) >.000 D D D = fiber 2 m(c) = cellulose 0 m >2 = cellulose 0 m = cellulose 25 m >2 = cellulose 25 m = wire mesh 60 m = wire mesh 60 m CLOGGIG IDICATOR = nr. 2 x /8"ports, plugged = pressure gauge, rear connection = SDT, pressure switch hen the filter is ordered with KM seals, the first digit of the indicator code is a letter (please see page 84-85). AESSORIES = without = with filling plug AESSORIES = no other accessory available ILTER ELET A C kg Area (cm 2 ) Media + Media C+ ERA , C ERA , A

6 RH RETUR ILTERS LUID SEED when selecting the fi lter size, we suggest to consider also the max recommended fl uid speed (in return lines normally,5 < v < 4 m/s) Recommended range LO RATE [] ,5 < v < 4 m/s /4 /4 /2 ORT SIZE RESSURE DRO CURVES ( p) The Assembly ressure Drop ( p) is obtained by adding the pressure drop values of the ilter Housing and of the Clean ilter Element corresponding to the considered low Rate and it must be lower than 50 ka (0,5 bar). ILTER HOUSIG RESSURE DRO (mainly depending on the port size) Δp (bar) Δp (ka) 0,4 RH 0,3 0,2 20 3/4" " /4 /2 0, All the curves have been obtained with mineral oil having a kinematic viscosity cst and specifi c gravity 0,9 kg/dm 3 ; for fluids with different features, please consider the factors described in the fi rst part of this catalogue. All the curves are obtained from test done at the UI HYDRAULIC DIVISIO Laboratory, according to the specifi cation ISO In case of discrepancy, please check the contamination level, viscosity and features of the fl uid in use.

7 RETUR ILTERS RESSURE DRO CURVES ( p) The Assembly ressure Drop ( p) is obtained by adding the pressure drop values of the ilter Housing and of the Clean ilter Element corresponding to the considered low Rate and it must be lower than 50 ka (0,5 bar). RH CLEA ILTER ELET RESSURE DRO ITH +, C+ AD DIA (depending both on the internal diameter of the element and on the filter media) Δp (bar) 0,75 0,5 Δp (ka) A C ERA 3 D Δp (bar) 0,75 0,5 Δp (ka) A C ERA 32 D 0, , Δp (bar) 0,75 0,5 0,25 Δp (ka) ERA A C 50 D Δp (bar) Δp (ka) ERA ,75 75 A 0,5 50 C D 0, YASS VALVE RESSURE DRO hen selecting the filter size, these curves must be taken into account if it is foreseen that any flow peak is to be absorbed by the bypass valve, it also must be of proper configuration to avoid pressure peaks. The valve pressure drop is directly proportional to fluid specific gravity. Δp (bar) Δp (ka) 4 0 RH Δp (bar) Δp (ka) 4 0 RH All the curves have been obtained with mineral oil having a kinematic viscosity cst and specific gravity 0,9 kg/dm 3 ; for fluids with different features, please consider the factors described in the first part of this catalogue. All the curves are obtained from test done at the UI HYDRAULIC DIVISIO Laboratory, according to the specification ISO In case of discrepancy, please check the contamination level, viscosity and features of the fluid in use.

8 RH RETUR ILTERS CLOGGIG IDICATOR A visual or electrical indicator is available as an option and allows monitoring of the element condition. The port for the indicator is a standard feature. ILLIG LUG The filling plug option gives the possibility of easily and efficiently filtering the oil from the drum. EASY RELACET The top end cap includes a handle allowing an easy removal of the element and a complete cleaning of the bowl. O LEAKS The end cap with captive O-ring ensures a perfect seal between filter element and bowl. CLOGGIG IDICATOR or further technical informations and other options see page 84. SERIES SARE SEAL KIT R RH RH RH RH RH KM SERIES SARE SRIG RH3 RH32 RH33 RH4 RH SARE ARTS ELETS (or filling up see table Ordering and option chart ) ILTER HOUSIG R H ILTER ELET CLOGGIG IDICATOR AESSORY E R A ILLIG LUG Is this datasheet the latest release? lease check on our website. Technical data subject to variations without prior notice. RH - E - 03/20