DH6/10
DH6/10 DH6/10
45° Check valve (2) ●C (flange connection type) 2x8-F Screw depth G B A φE φE φC B φD A 22.5° Nominal dimension A B C D E F G 125 150 350.5 360 300 245 122 M30 50 501 431 360 290 150 M36 60 Note) When using the no spring type, be sure to install it so that port B faces upward. ●C (large diameter) - cartridge type L1 T4x15° L2 L3 φ0.02 A L4 L6 L7 (finish range) L9 (stroke amount) L5x30° In-line type T3 φD1 φD2 φD7 Right angle type φD5 φD6 1.6 A Spring seat T1 Spring Poppet Seat O-ring T2 φD4 Cool with dry ice for expansion fit. D3 L8 Valve type L1 L2 L3 L4 L5 L6 L7 L8 L9 D1±0.2 D2 +0.1 0 D3 D4 D5 H7 D6 H7 D7 H8 T1 T2 T3 T4 C52 C- 10- C62 C- 10- C82 C- 10- C102 C- 10- C125 C- 10- C150 C- 10- 01 05 15-* 30 40 01 05 15-* 30 40 01 05 15-* 30 40 01 05 15-* 30 40 01 05-* 15 01 05-* 15 146 111 1.5 175 135 1.5 210 165 1.5 260 210 360 295 510 430 2 3 5 12 12 15 18 30 32 1.5 2 2 23 29 90 135 87 128 31.5 160 164 36.5 15 1.5 24.5 110 106 17.5 25 28 23 2.5 51.5 230 233 34.5 2.5 81.5 320 354 38.3 98 118 145 175 245 290 77 93 115 140 205 240 4-M16 4-M20 4-M24 4-M30 45 55 72 90 8-M30 122 8-M36 150 50 63 72 90 122 150 70 85 100 125 180 220 72 86 106 132 190 230 26 32 36 40 50 60 36 42 50 55 65 75 38 45 55 68 98 118 5 5 5 6 6 6 (Note) When used for in-line, a hole of φD4 is not necessary. 1-72
Pilot operated check valve (1) CH A1 A2 CHY A2 A3 A1 Pilot operated check valve (1) X(Pst) A(P2) B(P1) X(Pst) Y A(P2) B(P1) ■Overview This pilot check valve operates the pilot using remote pressure and allows for back flow as appropriate. This valve is mainly used in a press or lift to prevent load from ・・ falling due to leakage of the hydraulic circuit. ■Features This is of decompression type. As the main valve opens after the pilot valve opens, smooth switching without shocks can be performed under high pressure and large capacity. ●Hydraulic symbols ●CH B ●CHY B A X Y A X ■Type indication Pilot operated check valve Drain system No symbol = Internal drain Y = External drain Nominal dimension 6, 8, 10, 15, 20, 25, 30 (Gasket connection type is 10, 20 and 30 only.) Connection method G = G thread connection type GO = G thread connection type (based on JIS B2351 0 type) R = R thread connection type P = Gasket connection type Type of hydraulic oil No symbol Mineral based hydraulic oil V Phosphate ester based hydraulic oil W Fatty ester based hydraulic oil Water-glycol based hydraulic oil Cracking pressure Symbol Cracking pressure 10 0.10MPa 14 0.14MPa Series number: 10 Nominal dimension 15, 20, 25, 30 6, 8, 10 ■Specifications Nominal dimension Maximum working pressure MPa (kgf/cm 2 ) Maximum flow rate L/min Maximum pilot pressure MPa (kgf/cm 2 ) CH CHY 6 8 10 15 20 25 30 6 8 10 15 20 25 30 30.9 (315) 30.9 (315) 80 170 300 80 170 300 (Note) 30.9 (315) 30.9 (315) Pilot volume cm 3 Port X Port Y 2.2 8.7 17.5 2.2 - 1.9 17.5 15.8 Mass kg 2.5 4 8 2.5 8 (Note) Values are those inside < > only for CHY20P type. 1-73
- Page 28 and 29: Solenoid controlled pilot operated
- Page 30 and 31: Solenoid controlled pilot operated
- Page 32 and 33: Solenoid controlled pilot operated
- 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 80 and 81: Pilot operated check valve (1) Sub-
- Page 82 and 83: A Y B X Pilot operated check valve
- Page 84 and 85: Pilot operated check valve (2) Flan
- 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
Pilot operated check valve (1)<br />
CH<br />
A1<br />
A2<br />
CHY<br />
A2<br />
A3<br />
A1<br />
Pilot operated check valve (1)<br />
X(Pst)<br />
A(P2)<br />
B(P1)<br />
X(Pst) Y A(P2) B(P1)<br />
■Overview<br />
This pilot check valve operates the pilot using<br />
remote pressure and allows for back flow as<br />
appropriate. This valve is mainly used in a<br />
press or lift to prevent load from<br />
・・<br />
falling due to<br />
leakage of the hydraulic circuit.<br />
■Features<br />
This is of decompression type. As the main<br />
valve opens after the pilot valve opens,<br />
smooth switching without shocks can be<br />
performed under high pressure and large<br />
capacity.<br />
●Hydraulic symbols<br />
●CH<br />
B<br />
●CHY<br />
B<br />
A<br />
X<br />
Y<br />
A<br />
X<br />
■Type indication<br />
Pilot operated check valve<br />
Drain system<br />
No symbol = Internal drain<br />
Y = External drain<br />
Nominal dimension<br />
6, 8, <strong>10</strong>, 15, 20, 25, 30<br />
(Gasket connection type is <strong>10</strong>, 20 and 30 only.)<br />
Connection method<br />
G = G thread connection type<br />
GO = G thread connection type (based on JIS B2351 0 type)<br />
R = R thread connection type<br />
P = Gasket connection type<br />
Type of hydraulic oil<br />
No symbol Mineral based hydraulic oil<br />
V Phosphate ester based hydraulic oil<br />
W Fatty ester based hydraulic oil<br />
Water-glycol based hydraulic oil<br />
Cracking pressure<br />
Symbol Cracking pressure<br />
<strong>10</strong> 0.<strong>10</strong>MPa<br />
14 0.14MPa<br />
Series number: <strong>10</strong><br />
Nominal dimension<br />
15, 20, 25, 30<br />
6, 8, <strong>10</strong><br />
■Specifications<br />
Nominal dimension<br />
Maximum working pressure MPa (kgf/cm 2 )<br />
Maximum flow rate L/min<br />
Maximum pilot pressure MPa (kgf/cm 2 )<br />
CH<br />
CHY<br />
6 8 <strong>10</strong> 15 20 25 30 6 8 <strong>10</strong> 15 20 25 30<br />
30.9 (315) 30.9 (315)<br />
80 170 300 80 170 300 (Note)<br />
30.9 (315)<br />
30.9 (315)<br />
Pilot volume<br />
cm 3<br />
Port X<br />
Port Y<br />
2.2 8.7 17.5 2.2<br />
-<br />
1.9<br />
17.5<br />
15.8<br />
Mass kg<br />
2.5 4 8 2.5<br />
8<br />
(Note) Values are those inside < > only for CHY20P type.<br />
1-73