IN-LINE CHECK VALVES CIT-02 / 03 / 06 / 10 (1/4,3/8,3/4,1-1/4) RIGHT ANGLE CHECK VALVES CRT / CRG-03 / 06 / 10 (3/8,3/4,1-1/4)

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1 IN-LIN HK VLVS IT- / 3 / / (/,3/8,3/,-/) RIGHT NGL HK VLVS RT / RG-3 / / (3/8,3/,-/) Up to 5 MPa (33 PSI), 3 L/min (33 U.S.GPM) Pub. - IRTIONL ONTROLS These valves allow free flow in one direction and prevent flow in the reverse direction. racking pressure specified is the pressure required to open the valve and allow free flow. In-Line heck s and Right ngle heck s are available. In-Line heck s...page Right ngle heck s...page Graphic Symbol Graphic Symbol Hydraulic luids luid Types ny type of hydraulic fluids listed in the table below can be used. Petroleum base oils Synthetic fluids Water containing fluids Use fluids equivalent to ISO VG 3 or VG. Use phosphate ester or polyol ester fluid. When phosphate ester fluid is used, prefix "-" to the model number because the special seals (fluororubber) are required to be used. Use water-glycol fluid. Note: or use with hydraulic fluids other than those listed above, please consult your Yuken representatives in advance. Recommended Viscosity and Oil Temperatures Viscosity ranging between 5 - mm /s (77-8 SSU). Oil temperatures between -5/+7 (5-58 ). Use hydraulic fluids which satisfy the recommended viscosity and oil temperatures given above. ontrol of ontamination ue caution must be paid to maintaining control over contamination of the hydraulic fluids which may otherwise lead to breakdowns and shorten the life of the valves. Please maintain the degree of contamination within NS 38-Grade. Use 5 µm or finer line filter. No.

2 In-Line heck s IT- / 3 / / Threaded onnections Specifications / Model esignation / Others IRTIONL ONTROLS Specifications IT-- -5/58/59 IT-3- -5/58/59 IT-- -5/58/59 IT-- -5/58/59 Rated low L/min (U.S.GPM) (.3) 3 (7.93) 85 (.5) 3 (.8) Max. Operating Pres. 5 (33) racking Pres.. ().35 (5).5 (7) pprox. Mass kg (lbs.). (.).3 (.).8 (.8).3 (5.) Rated flow is the approximate flow rate, when there is a free flow pressure drop of maximum.3 MPa ( PSI), the fluid has a specific gravity of.85 and a kinematic viscosity of mm /s (98 SSU), and the cracking pressure is. MPa ( PSI). Model esignation I T Series I: In-Line heck Type of onnection T: Threaded onnection 3 racking Pressure :. () 35:.35 (5) 5:.5 (7) esign Note: or In-Line heck s, standard type (for petroleum base oils) can be used phosphate ester type fluid esign Standards None: Japanese Std. "JIS" 8: uropean esign Std. 9: N. merican esign Std. Hydraulic luid: Viscosity 3 mm /s ( SSU), Specific Gravity.85 IT IT--35 IT--5 IT L/min IT-3 PSI 8 MPa.7... IT-3-35 IT-3-5 IT-3-3 L/min IT U.S.GPM IT--5 IT--35. IT L/min 3 U.S.GPM IT- PSI 8. 8 U.S.GPM MPa.7. IT--5 IT--35. IT L/min 8 U.S.GPM No.

3 In-Line heck s IT- / 3 / / Installation rawings IRTIONL ONTROLS IT-- -5/58/59 IT-3- -5/58/59 IT-- -5/58/59 IT-- -5/58/59 IMNSIONS IN MILLIMTRS (INHS) "" Thd. Places R IT-- -5 IT IT IT IT IT IT-- -5 IT IT IT-- -5 IT IT mm (Inches) 58 (.8) 9 (.75) 5 (.5) (.87) 58 (.8) 9 (.75) 7 (.99) 83 (3.7) 7 (.) 7 (.99) 95 (3.7) (.) (.) 95 (3.7) 33(5.) (.3) "" Thd. Rc / / SP. / NPT 3/8 SP. Rc 3/ 3/ SP. 3/ NPT Rc -/ -/ SP. -/ NPT No.3

4 Right ngle heck s RT / RG-3 / / Threaded onnections / Mounting Specifications / Model esignation / Others IRTIONL ONTROLS Specifications RT-3- -5/58/59 Threaded onnection RT-- -5/58/59 RT-- -5/58/59 RG-3- -5/59 Mounting RG-- -5/59 RG-- -5/59 Model esignation R T Special Seals : Special seals for phosphate ester type fluids (Omit if not required) Series R: Right ngle heck Type of onnection T: Threaded onnection G: Mounting 3 3 Rated low L/min (U.S.GPM) (.) 5 (33) 5 () (.) 5 (33) 5 () racking Pressure :. () 35:.35 (5) 5:.5 (7) :. () 35:.35 (5) 5:.5 (7) Max. Operating Pres. 5 (33) 5 (33) esign racking Pres.. ().35 (5).5 (7). ().35 (5).5 (7) Rated flow is the approximate flow rate, when there is a free flow pressure drop of maximum.3 MPa ( PSI), the fluid has a specific gravity of.85 and a kinematic viscosity of mm /s (98 SSU), and the cracking pressure is. MPa ( PSI). esign Standards pprox. Mass kg (lbs.).9 (.).7 (3.7) 5. (.3).7 (3.7).9 (.) 5.5 (.) None: Japanese Std. "JIS" 8: uropean esign Std. 9: N. merican esign Std. None: Japanese Std. "JIS" & uropean esign Std. 9: N. merican esign Std. Model s RG-3 RG- RG- Model No. R-- -5 R-- -5 R-- -5 Japanese Standard "JIS" uropean esign Standard N.merican esign Standard RGM-3-5 RGM-3X-5 RGM--5 RGM-X-5 RGM--5 RGM-X-5 Rated low L/min (U.S.GPM) 3 (79.3) (59) 3 (33) Thread Rc / Rc 3/ Rc Rc -/ Rc -/ Max. Operating Pressure 5 (33) RGM-3-58 RGM-3X-58 RGM--58 RGM-X-58 RGM--58 RGM-X-58 Model s RG-3 RG- RG- Thread 3/8 SP. / SP. 3/ SP. SP. -/ SP. -/ SP. RGM-3-59 RGM-3X-59 RGM--59 RGM-X-59 RGM--59 RGM-X-59 Japanese Standard "JIS" uropean esign Standard M 5 Lg. M 5 Lg. M 55 Lg. Thread / NPT 3/ NPT NPT -/ NPT -/ NPT Socket Head ap Screw pprox. Mass kg (lbs.). (3.5). (3.5). (5.3) 3. (.).8 (.) 5.7 (.) s are available. Specify the sub-plate model number from the table above. When sub-plates are not used, the mounting surface should have a good machined finish. Yuken can offer flanged connection valves described below. or details, contact us. Mounting olts Socket head cap screws in the table below are included. N.merican esign Standard 3/8- UN -3/ Lg. 3/8- UN Lg. 3/8- UN -/ Lg. Qty. No.

5 Right ngle heck s RT / RG-3 / / Installation rawings IRTIONL ONTROLS RT-3- -5/58/59 RT-- -5/58/59 RT-- -5/58/59 RG-3- -5/59 RG-- -5/59 Places RT RT RT RT-- -5 RT RT RT-- -5 RT RT (.) 7 (.9) 7 (.) imensions mm (Inches) 3 (.) 5 (.77) 5 (.5) IMNSIONS IN MILLIMTRS (INHS) 38 (.5) ia 8.5 (3.7) 5.5 (.3) (.) ia. 8 (3.5) SQ. 3 (5.) 33 (.3) 9 (.93) 5 (.5) (.73) 5 (.3) 8 (3.5) 3/8 SP. Rc 3/ 3/ SP. 3/ NPT Rc -/ -/ SP. -/ NPT H (.) R Locating Pin (.) ia. (.3) ia. Through 7.5(.9) ia. Spotface J Mounting Surface (O-Rings urnished) RG-3 RG- 9 (3.5) (.) imensions mm (Inches) H J.7 (.3) 79. (3.3).7 (.).3 (.) 7 (.83) 93 (3.).9 (.9).3 (.37) 7.5 (.9). (.8) 7.5 (.85) 8.5 (3.33) 3 (.8) 35 (.38) Mounting Surface ISO 578-G--- ISO 578-H-8-- RG-- -5/59 Mounting surface: ISO 578-J (3.8) (.) 3 (.8) 8. (3.3). (.) R Locating Pin (.) ia..3 (.8). (.) 9.8 (3.8) (.7) (.3) ia. Through 7.5(.9) ia. Spotface Places (.57) Mounting Surface (O-Rings urnished) No.5

6 RGM-3-5/58/59 RGM-3X-5/58/59 for Right ngle heck s Installation rawings IRTIONL ONTROLS.9 (.9) 35.7 (.) 3.8 (.5) (.39).7(.7) 8.8(.35) ia. Through (.55) ia. Spotface 7. (.8) 9(3.5) 7(.7).7(.3) 33.3 (.3) "" Thd. Places RGM--5/58/59 RGM-X-5/58/59 8.8(.35) ia. Through (.55) ia. Spotface 3(.5) ia. Places "" Thd. (.79) eep 9.5 (.77) (.83) (.) 8 (3.3) (.) 7(.8) ia. (.39) eep.3 (.) (.39) (.) 79.(3.3) 39.7 (.5) 9 (3.5) 3(.) 5 (.59) (.87) ia. Places "J" Thd. (.79) eep RGM-3-5 RGM-3-58 RGM-3-59 RGM-3X-5 RGM-3X-58 RGM-3X-59 5 (.59) "" Thd. 3/8 SP. Rc / / SP. / NPT Thread "" Thd. M 3/8- UN M 3/8- UN IMNSIONS IN MILLIMTRS (INHS). (.).3 (.37) 9. (.9).5 (.75) (.87) (.9) Places 7(.8) ia. (.39) eep RGM--5 RGM--58 RGM--59 RGM-X-5 RGM-X-58 RGM-X-59 (.88) 3 (5.35) (.39) (.3) imensions mm (Inches) 77 (3.3) 7 (.) 8.3 (3.) (.87) 8 (3.5) (.9) 8.3 (3.) (.87) 3 (.) 5 (.77) (.33) 3 (5.) Thread "J" Thd. Rc 3/ M 3/ SP. 3/ NPT 3/8- UN Rc M SP. NPT 3/8- UN RGM--5/58/59 RGM-X-5/58/59 (.7) 9.(.38) (.3) ia. Through 7.5(.9) ia. Spotface (5.5) (.57) 9.8 (3.8) 8. (.9) 8(.) ia. Places 7(.8) ia. (.39) eep 9 (.75) 8. (3.3) 7.5 (.).7 (.7). (.) (.83) (.9) RGM--5 RGM--58 RGM--59 RGM-X-5 RGM-X-58 RGM-X-59 Places 5 (5.9) 77 (.97).7 (.) (.7) 5.5 (.) imensions mm (Inches) 9 (3.78) (.9). (.) (.7) 3 (.8) (.87) 5 (.77) 5 (.97) "J" Thd. (.79) eep Places 35 (5.3) 7 (.57) Thread "J" Thd. Rc -/ M -/ SP. -/ NPT 3/8- UN Rc -/ M -/ SP. -/ NPT 3/8- UN No.

7 ..8 8 RT RT-3-35 RT L/min Right ngle heck s RT / RG-3 / / Performance haracteristics / Spare Parts List Hydraulic luid: Viscosity 3 mm /s ( SSU), Specific Gravity.85 RT-3 RG RG-3-5 IRTIONL ONTROLS. RG RG L/min 5 5 U.S.GPM.. RT RT RT L/min RT- RG- PSI U.S.GPM MPa... RG RG--35. RG L/min RT- 3 5 U.S.GPM. 5.. RT RT RT L/min 8 U.S.GPM Spare Parts List RT-3-5/58/59 RT--5/58/59 RT--5/58/59 RG U.S.GPM RG RG--35. RG L/min 8 U.S.GPM UTION When making replacement of seals, please do it carefully after reading through the relevant instructions in the Operator's Manual RG-3-5/59 RG--5/59 RG--5/ List of Seals & Seal Kits Item Name of Parts 7 O-Ring Seal Kit Item 7 8 Name of Parts O-Ring O-Ring Seal Kit Part s RT-3 RT- RT- SO-N-P SO-N-P SO-N-P3 KS-RT-3-5 KS-RT--5 KS-RT--5 Part s RG-3 RG- RG- SO-N-P SO-N-P8 SO-N-P SO-N-P8 SO-N-P3 SO-N-P3 KS-RG-3-5 KS-RG--5 KS-RG--5 Qty. When ordering the O-Rings, please specify the seal kit number from the table above. List of Seals & Seal Kits Qty. When ordering the O-Rings, please specify the seal kit number from the table above. No.7