DH6/10
DH6/10 DH6/10
Pilot operated check valve (2) Flange Valve type Maximum working pressure Flange type Connection diameter Mass When you use a flange, please place an order for the above flange type. For the dimension drawing, refer to page 16 of the appendix. Accessories Mounting bolt Type Hexagon socket head cap thread Quantity Tightening torque Nm (kgfcm) 6 pcs. 6 pcs. 6 pcs. Precautions in use Method of obtaining minimum required pilot pressure (refer to symbols in the structural drawing) In the case of CH In the case of CHY Pst: Minimum required pilot pressure (MPa) P1: Load pressure (pressure of port B) (MPa) P2: Back pressure (pressure of port A) (MPa) A1: Pressure receiving area of poppet (cm 2 ) A2: Pressure receiving area of lifting piston (cm 2 ) A3: Pressure receiving area of lifting piston rod (cm 2 ) Method of using internal drain type and external drain type When port A is directly connected to the tank during reverse free flow, the internal drain type is generally used. However, if back pressure is applied to port A, be sure to use the external drain type. Nominal dimension (Note) For minimum required pilot pressure (Pst), low pilot operated check valves for pilot pressure lower than Pst obtained from the above (pilot pressure equivalent to approximately 1/8 of load pressure) are also available (KSV/KSL type). If you need the above valve, please contact us. 1-78
■Dimension drawing ●CH/CHY (Flange connection type) A B C φD, Depth of counter core Y φG, Depth of counter core b, screw diameter H, screw depth d Screw diameter E, screw depth Z J X Y A φL Q R T U φK B φL S Screw diameter F, screw depth a (in the case of 52 to 102) Pilot operated check valve (2) 2 M e N Screw diameter F, screw depth a (in the case of 125, 150) P φK X W V (Note) There is no Y port in the case of CH. Nominal dimension A B C D E F G H J K L M N P 52 145 110 55 38 1 G 2 4-M16 52 G1 4-M12 98 45 145 34 67 62 155 120 60 38 1 G 2 4-M20 52 G1 4-M12 118 55 155 34 75 82 200 130 65 45 3 G 4 4-M24 52 G1 4-M12 145 72 200 42 103 102 230 170 85 45 3 G 4 4-M30 52 G1 4-M16 175 90 250 60 121 125 290 200 100 65 1 G1 2 8-M30 65 1 G1 2 4-M24 245 122 305 60 128 150 350 300 150 65 1 G1 2 8-M36 65 1 G1 2 4-M24 290 150 360 60 134 Nominal dimension Q R S T U V W X Y Z a b d e 52 257 185 36 140 65 35 115 145 0.5 15 25 0.5 16 16 62 298 220 39 170 75 35 135 175 0.5 15 30 1 16 16 82 386 270 58 212 100 70 170 210 0.5 16 36 1 16 16 102 461 335 63 262 125 70 210 265 0.5 16 41 1 16 20 125 564 430 67 337 150 70 270 360 1 24 50 1 25 30 150 654 500 77 400 180 70 320 430 1 24 52 1 25 30 ●CH/CHY (Gasket connection type) N Q P Y B X A S T U V W R X Y Z K L B C D Nominal dimension A 2 O-ring “a” (for port X, Y) 2-φG 2-φE 2-φH 2-φF J O-ring “b” (for port A, B) A B C D E F G H J K L M N 52 145 44 40 115 22 60 15 48 6-M16 145 33.3 20 100 62 155 48 40 125 22 70 15 60 6-M20 155 33.3 25 128 82 200 60 50 170 22 85 15 75 6-M20 200 41.5 25 140 P Q R S T U V W X Y Z a b 52 35 50 25 77 101 135 185 257 36 1.8 2.4 JIS G55 JIS B2401 62 35 65 34 100 132 170 220 298 39 1.8 2.4 G65 B2401 P18 82 59 70 30 115 151 185 270 386 58 1.8 2.4 Hs90 G80 Hs90 Nominal dimension M 1-79
- Page 34 and 35: Solenoid controlled pilot operated
- Page 36 and 37: Solenoid controlled pilot operated
- Page 38 and 39: Solenoid controlled pilot operated
- Page 40 and 41: Solenoid controlled pilot operated
- Page 42 and 43: Solenoid controlled pilot operated
- Page 44 and 45: Solenoid controlled pilot operated
- Page 46 and 47: Pilot operated directional valve (1
- Page 48 and 49: Pilot operated directional valve (1
- Page 50 and 51: Pilot operated directional valve (2
- Page 52 and 53: Pilot operated directional valve (2
- Page 54 and 55: Pilot operated directional valve (2
- Page 56 and 57: Pilot operated directional valve (3
- Page 58 and 59: Pilot operated directional valve (3
- Page 60 and 61: Pilot operated directional valve (3
- Page 62 and 63: Manual selector valve (1) Spool typ
- Page 64 and 65: Manual selector valve (1) ■Dimens
- Page 66 and 67: Manual selector valve (2) Spool typ
- Page 68 and 69: Manual selector valve (2) ■Dimens
- Page 70 and 71: Manual selector valve - KLA type Ma
- Page 72 and 73: Check valve (1) ■Specifications N
- Page 74 and 75: Check valve (1) ●C (cartridge typ
- Page 76 and 77: Amount of pressure drop (MPa Check
- Page 78 and 79: 45° Check valve (2) ●C (flange c
- Page 80 and 81: Pilot operated check valve (1) Sub-
- Page 82 and 83: A Y B X Pilot operated check valve
- Page 86 and 87: Pressure gauge valve Pressure gauge
- Page 88 and 89: Page Relief valve - Direct operated
- Page 90 and 91: Hydraulic symbols Pressure increase
- Page 92 and 93: Pressure override characteristics (
- Page 94 and 95: Dimension drawing RD*G/R RDV6G/R L2
- Page 96 and 97: RDV1M6R A 62 Maximum of 152 61 14.5
- Page 98 and 99: Type indication RBE Relief valve -
- Page 100 and 101: Pilot valve The type indication of
- Page 102 and 103: Dimension drawing RB*P B1 B2 X P T
- Page 104 and 105: Relief valve - Balanced piston type
- Page 106 and 107: Type indication RB35X Pilot relief
- Page 108 and 109: RB35F 38 19 110 Y port G1/4 screw d
- Page 110 and 111: Type indication RB52 Relief valve-
- Page 112 and 113: Pilot valve The type indication of
- Page 114 and 115: Three stage pressure relief valve 3
- Page 116 and 117: Dimension drawing 3RBE L10 L1 L8 L3
- Page 118 and 119: Pressure override characteristics (
- Page 120 and 121: PUE Pilot operated unloading relief
- Page 122 and 123: Dimension drawing PU10 47.1 85 66.7
- Page 124 and 125: Pilot operated unloading relief val
- Page 126 and 127: Dimension drawing PU35P (Gasket con
- Page 128 and 129: Specifications SD6P SD10P P-DE6R14-
- Page 130 and 131: Sequence valve — Balanced piston
- Page 132 and 133: Minimum adjustment pressure charac
Pilot operated check valve (2)<br />
Flange<br />
Valve type<br />
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Maximum working pressure<br />
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Flange type<br />
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Connection<br />
diameter<br />
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When you use a flange, please place an order for the above flange type.<br />
For the dimension drawing, refer to page 16 of the appendix.<br />
Accessories<br />
Mounting bolt<br />
Type Hexagon socket head cap thread Quantity Tightening torque Nm (kgfcm)<br />
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6 pcs.<br />
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6 pcs.<br />
6 pcs.<br />
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Precautions in use<br />
Method of obtaining minimum required pilot pressure<br />
(refer to symbols in the structural drawing)<br />
In the case of CH<br />
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In the case of CHY<br />
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Pst: Minimum required pilot pressure (MPa)<br />
P1: Load pressure (pressure of port B) (MPa)<br />
P2: Back pressure (pressure of port A) (MPa)<br />
A1: Pressure receiving area of poppet (cm 2 )<br />
A2: Pressure receiving area of lifting piston (cm 2 )<br />
A3: Pressure receiving area of lifting piston rod (cm 2 )<br />
Method of using internal drain type and<br />
external drain type<br />
When port A is directly connected to the tank<br />
during reverse free flow, the internal drain type<br />
is generally used. However, if back pressure<br />
is applied to port A, be sure to use the external<br />
drain type.<br />
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Nominal dimension<br />
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(Note) For minimum required pilot pressure (Pst),<br />
low pilot operated check valves for pilot<br />
pressure lower than Pst obtained from the<br />
above (pilot pressure equivalent to<br />
approximately 1/8 of load pressure) are<br />
also available (KSV/KSL type). If you need<br />
the above valve, please contact us.<br />
1-78