| Pressure Control | 248-265 | Other Center Spools | 276 | | Relief Valves | 248-253 | Spring Centered Spools | 276,277 | | Direct Acting Relief | 249 | Spring Offset Spools | 277 | | Pilot Operated Relief | 250-253 | Detent Spool Position | 278 | | Relief Valve Venting | 253 | Methods of Direct Actuation | 279-290 | | Unloading Valves | 254-257 | Manual Actuation | 279 | | Two Pump Unloading | 254,255 | Mechanical Actuation | 280 | | Accumulator Charging | 255-257 | Electrical Actuation | 281-283 | | Sequence Valves | 257258 | Types of Solenoids | 282,283 | | Counterbalance Valves | 259-262 | Pneumatic Actuation | 283,284 | | Overcenter Valves | 260-262 | Hydraulic Actuation | 284-290 | | Brake Valves | 262-264 | Pilot Pressure | 285-287 | | Pressure Reducing Valves | 264265 | Controlling Spool Speed | 288 | | Direction Control Valves | 266-290 | Limiting Spool Stroke | 289,290 | | Check Valves | 266-269 | Flow Control | 290-303 | | Simple Check Valve | 267,268 | Non-Pressure Compensated | 290,291 | | Restriction Check Valve | 268 | Pressure Compensated Control | 291,292 | | Pilot-to-Open Check Valve | 268,269 | Bypass Type Control | 293,294 | | Pilot-to-Close Check Valve | 269 | Temperature Control | 294-296 | | Sliding Spool Valves | 270-278 | Sharp Edged Orifice | 295 | | Sliding Spool Graphic Symbols | 271-278 | Metallic Rod | 296 | | Two & Three Position Spools | 273-277 | Actuator Speed Control | 297-303 | | Closed Center Spools | 274 | Meter-in (Restrictor) | 297-299 | | Open Center Spools | 274 | Meter-in (Bypass) | 299,300 | | Tandem Center Spools | 274,275 | Meter-out Circuit | 300-302 | | Float Center Spools | 275 | Bleed-off Circuit | 302,303 | |
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