Suction Filter with Case. Specifications. Fluid Operating pressure Operating temperature Cover/Case. Model/Rated Flow Rate. Model

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1 Suction Filter with Case FH99 Series RoHS Compact and lightweight The compact and lightweight design employs an aluminum casted housing. Prevents pump cavitation The inlet size is larger than the outlet size to prevent pump cavitation. Easy element maintenance Simply open the cover to detach the element without touching the pipes. Easy-mounting pipes There is no mounting orientation, and two types are available: threaded and flange. Note 3) ccessories available for a variety of applications vailable accessories include differential pressure indicators (differential pressure indicator or differential pressure indication switch), relief valves, and companion flanges. Clogging sensor The filter can be fitted with a differential pressure indicator (reset type) or differential pressure indication switch (visual combined, nonreset type). Specifications Fluid Operating pressure Operating temperature Cover/Case Main material O-ring Seal Material Element Nominal filtration Differential pressure resistance Hydraulic fluid Negative pressure Max. 8 C luminum casting NBR or FKM Note ) NBR or EPDM Note ) Stainless steel, Carbon steel, luminum, Epoxy resin 74, 5, 49 µm (, 5, mesh).2 MPa Differential pressure indicator operating pressure 24. kpa (Element replacement differential pressure) Relief valve open pressure 33.3 kpa Note ) The material of the O-rings and seals differs depending on the hydraulic fluid used. Petroleum, Water-glycol, Emulsion: NBR; Phosphoric ester: FKM, EPDM /Rated Flow Rate Port size Note 2) Rated flow rate INLET LET (L/min) FH99- FH99- FH99- FH / 3 / / 3/ / 2 / 3 / Note 2) Both flange and threaded connections are supported. However, only flange types for FH99- to FH99-32 are compatible. The flange configuration is exclusive to SMC. Tapered threaded types (female) conforming to JIS B 3. ccessory/option Description Part no. Note Differential pressure indicator CB-54H Petroleum, Water-glycol, Emulsion CB-54H-V Phosphoric ester Differential pressure indication switch (N.C. and N.O. common) Blanking cap (for differential pressure indication part) CB-55H CB-55H-V G-2H G-2H-W G-2H-V Petroleum, Water-glycol, Emulsion Phosphoric ester Petroleum Water-glycol, Emulsion Phosphoric ester Note 3) When the differential pressure indicator and differential pressure indication switch are used, the body mounting orientation is only vertical upward. 52

2 Suction Filter with Case FH99 Series How to Order FH99 4 M 74 Suction filter with cace Construction/Connection Common with L-type threaded and flange L-type flange Port size (Outlet side) / 3/ / 2 / 3 / Differential pressure indication None 4 Differential pressure indicator 5 Differential pressure indication switch Note) Note) N.C. and N.O. common Relief valve With relief valve None Hydraulic fluid Companion flange Nil F Nominal filtration 74 µm 5 µm 49 µm Element M Micromesh Petroleum Water-glycol, Emulsion Phosphoric ester N W V Note) N, W and V refer to the hydraulic fluid symbol indicated at the end of the element part number. None With companion flange Replacement Element Part No. (Including O-ring for element) With relief valve 74 µm 5 µm 49 µm 74 µm ( mesh) (5 mesh) ( mesh) ( mesh) /6 / FH99- FH99-/32 EM5-74N EM6-74N EM7-74N EM8-74N EM9-74N EM3-74N EM3-74N EM5-5N EM6-5N EM7-5N EM8-5N EM9-5N EM3-5N EM3-5N EM5-49N EM6-49N EM7-49N EM8-49N EM9-49N EM3-49N EM3-49N EM23-74N EM33-74N EM43-74N EM53-74N EM63-74N EM73-74N EM83-74N Note ) The symbol at the end of the element part no. indicates the hydraulic fluid type. N: Petroleum, W: Water-glycol, Emulsion, V: Phosphoric ester Note 2) bove elements require one element per filter. Construction/Seal List Without relief valve 5 µm (5 mesh) EM23-5N EM33-5N EM43-5N EM53-5N EM63-5N EM73-5N EM83-5N 49 µm ( mesh) EM23-49N EM33-49N EM43-49N EM53-49N EM63-49N EM73-49N EM83-49N Element size ø65 x 9 ø82 x 33 ø4 x 77 ø4 x 77 ø32 x 22 ø32 x 22 ø55 x 93 FH HOW Differential pressure indicator q O-ring Cover Element Relief valve e Seal (O-ring) IN Blanking cap r Seal (O-ring) Hexagon socket head cap screw Companion flange Case w O-ring Replacement O-ring/Seal List (One each of the seal and O-ring types listed below are required per filter.) Port size Hydraulic fluid Petroleum, Water-glycol, Emulsion Material NBR-7- FKM-7 Phosphoric or ester EPDM-7 qo-ring order no. K85 (V85) K82 (V) K83 (V) K84 (V5) K8 (V75) K73 (V85) K727 (V) K7 (V) K729 (V5) K73 (V75) wo-ring order no. K47 (P) K244 (P42) K88 (P6) K8 (P9) K796 (P) K77 (P) K723 (P42) K733 (P6) K4 (P9) K3498 (P) eseal and O-ring order no. L-3H L-33H L-35H L-36H L-37H K83 (V) L-3H-V L-33H-V L-35H-V L-36H-V L-37H-V K7 (V) rseal and O-ring order no. L-H L-29H L-3H L-32H L-34H L-35H L-36H L-37H K83 (V) L-H-V L-29H-V L-3H-V L-32H-V L-34H-V L-35H-V L-36H-V L-37H-V K7 (V) Note ) The material and nominal size notations are based on JISB24. Note 2) is not needed as the part number starting with the L- H is a dedicated number. Note 3) The material of seals (L-H-V to L-37H-V) is EPDM-7. 53

3 FH99 Series Replacement parts Description Companion flange set Flow Rate Characteristics FH99 Pressure drop (kpa) pplicable Part no. model Connection side: IN Connection side: FH99- FH99- FH FH99-FL6- N V FH99-FL6- N V FH99-FL9- N V FH99-FL9- N V FH99-FL- N V FH99- FH99-FL4- N V One set each of companion flange, FH99-FL5- N O-ring, hexagon socket head cap screws FH99-32 V Note) Select the part number of either N: O-ring material NBR, or V: O-ring material FKM. -6 FH99-FL- N V FH99-FL2- N V FH99-FL3- N V -8 - Conditions Fluid: Turbine oil Class 2 VG56 Viscosity: 45 mm 2 /s Filter material: Micromesh Nominal filtration: 74 µm FH99-FL4- N V FH99-FL5- N V FH99-FL7- N V FH99-FL8- N V FH99-FL- N V -2-6 Flow rate (L/min) One set each of companion flange, seal, hexagon socket head cap screws Set contents -/32 Handling Precautions q Mounting Confirm IN and before connecting. For maintenance, make sure to provide sufficient space above the filter for removing the element. When the differential pressure indicator and differential pressure indication switch are used, the body mounting orientation is only vertical upward. w Operation The hydraulic fluid used becomes high viscosity when the temperature is low during the winter, etc., and the differential pressure indicator or the switch may activate. If this occurs, wait until the oil temperature rises by a warm-up operation, then check if this is caused by clogging. If the differential pressure indicator is the reset type, make sure to reset it after replacing the element or after normal operation starts in cold weather such as during winter. When using a differential pressure indication switch and if a filter clogged signal is incorporated into the sequence circuit of the machine, make sure to design the system so the filter clogged signal does not operate until normal operation starts. e Element replacement When the pressure difference reaches 24 kpa during filter operation (actuating the differential pressure indicator), stop operation and either wash or replace the element. If any scratches or damage are found on the O-ring during assembly/disassembly, replace with a new O-ring. When installing and removing an element, do not scratch or damage it by touching the corners of the case, etc. When washing the element, do not wipe it using a stiff brush or rag. Two indication methods are available: differential pressure indicator and differential pressure indication switch. These can be mounted on all filter models. Differential pressure indicator Operating pressure 24 kpa Mounting orientation: Vertical upward Once a value is displayed, it will continue to be displayed until reset, even if the pump is stopped. (Reset type) Perform element replacement when the red ring floats up and covers the entire view port. Differential Pressure Indication Differential pressure indication switch Operating pressure 24 kpa Mounting orientation: Vertical upward pump is stopped. (Non-reset type) When a value has been displayed, it will be automatically reset when the This is a visual dual-purpose. Perform element replacement when the switch has actuated (when the red ring floats up and covers the entire view port). N.C. and N.O. common Reset button View port COM. N.O. N.C. View port G/2 54 Refer to page 529 for Microswitch for differential pressure indication switch.

4 Suction Filter with Case FH99 Series Dimensions Blanking cap Differential pressure indication switch 8 x T I N Differential pressure indicator ø6 (34) (65) H øx F O B 62 R S E 4 x K G øw C D V (Element removal dimension) L M P IN Q Differential pressure indicator Differential pressure indication switch FH HOW 4 x J (mm) FH99- FH99- FH99- FH99-32 B / 3/ / 2 / 3 / C D E F G H I J K M x.5 M x.5 Thread depth 22 Thread depth 22 M2 x.75 M2 x.75 Thread depth 23 Thread depth 23 M2 x.75 M2 x.75 Thread depth 23 Thread depth M6 x 2 M6 x Thread depth 34 Thread depth 34 M6 x 2 M6 x 2 3 Thread depth 3 Thread depth 3 L M N O P Q R FH99- FH99- FH99- FH99-32 S T M8 x.25 Thread depth 8 M8 x.25 Thread depth 8 M8 x.25 Thread depth 9 M x.5 Thread depth 2 M x.5 Thread depth V W Weight (kg) X Threaded without flange With flange Note) Both flange and thread connections are supported. However, only flange types for FH99- to FH99-32 are compatible. The flange configuration is exclusive to SMC. Tapered thread types (female) conforming to JIS B

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6 FH Series Microswitch for Differential Pressure Indication Switch () Contact specifications (4) Electric circuit Table Contact specifications Item Specifications Inrush current Max. 5 Minimum applicable load 5 VDC 6 m COM NC NO (2) Rating Table 2 Rating Rated voltage Resistance load 25 VC 5 (N.C. and N.O. common) Precautions. Connect desired wiring to the micro switch indication symbols (COM.), 2 (N.C.), and 3 (N.O.). 2. When a protection mechanism is required, take appropriate considerations on the electric circuit since the micro switch is a type of non-reset. (3) Other performance Table 3 Other specifications Item Insulation resistance Contact resistance Between terminals with the same pole. Between charged metal Withstand part and ground voltage Between each terminal and non-charged metal part Specifications MΩ or more (Measured by 5 VDC, insulation resistance tester.) 3 mω or less, VC 5/6 Hz min,5 VC 5/6 Hz min,5 VC 5/6 Hz min (5) Terminal type Soldering terminal FH HOW 529