07DI92 WT92 GJR5252400R4101

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油動(dòng)機(jī)又叫伺服馬達(dá)，是帶動(dòng)調(diào)速汽閥的執(zhí)行機(jī)構(gòu)。K581壓縮機(jī)的油動(dòng)機(jī)主要由電液轉(zhuǎn)換器、伺服油缸、活塞、反饋凸輪及提升臂等部件組成。在控制電信號(hào)作用下，電液轉(zhuǎn)換器通過(guò)力矩馬達(dá)伺服閥產(chǎn)生油壓差并作用于滑閥兩端?；y上下移動(dòng)改變活塞兩端油壓力使之上下移動(dòng)，轉(zhuǎn)換為輸出軸的上下移動(dòng)。輸出軸通過(guò)杠桿與伺服油缸導(dǎo)向桿連接，進(jìn)而改變油缸活塞兩端油壓，帶動(dòng)閥桿、提升臂移動(dòng)，進(jìn)而調(diào)節(jié)閥門開度。
K581壓縮機(jī)的調(diào)速汽閥由五組閥座、閥芯構(gòu)成（如圖三）。每組閥芯，閥座的尺寸和安裝位置不一樣。每組閥芯與提升橫梁之間有固定的裝配間隙。調(diào)速汽閥的總行程為1.695英寸，1#閥芯與提升橫梁的間隙為0.06英寸，2#閥芯的間隙為0.329英寸，3#閥芯的間隙為0.649英寸，4#閥芯的間隙為0.974英寸，5#閥芯的間隙為1.344英寸。這樣就保證了調(diào)速汽閥的5組閥芯按0~100%行程依次開啟。
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CATERPILLAR CAT 950801C1 SS TEE FLARELESS 1/2IN TUBE D595968

MILLER FLUID POWER 057-PP003-00050 PIVOT PIN KIT 0050 STYLE 1 D596068

MICRO SWITCH BA-2RV22-A2 SNAP LIMIT SWITCH D597127

SWAGELOK SS-810-6 STAINLESS UNION FITTING 1/2IN TUBE D596839

HINDLEY 10849 EYE BOLTS 5/16 X 8IN D596880

30IN METAL PIPE 1-1/16IN OD 13/16IN ID D597188

ALLEN BRADLEY 1489-A1C050 CIRCUIT BREAKER 277V 1P 5A D597332

ALLEN BRADLEY 1489-A1C100 CIRCUIT BREAKER 277V 1P 10A D597327

BRADY 7054-4 BOX OF 23 CITY WATER PIPE MARKERS D545228

BRADY 7269-4 BOX OF 22 SPRINKLER WATER MARKERS D545219

GARDNER DENVER 25BC544 COMPRESSOR ALUMINUM GASKET RING D549113

PG-FOK-095.15.0041 16X39X19MM STEEL DISK D551916

THOMAS&BETTS 1211-C 1/2IN STEEL PIPE STRAPS D520940

FOSSIL POWER SYSTEMS 9040-9150 SPARK PLUG D562878

PYROTENAX PPAK/BR/100 PYROPAK TERMINATION KIT D563497

IBERVILLE CI-1716 2 IN STEEL LOCKNUT D556283

CHAMPION 00-55-4A IGNITER D541936

FOSSIL POWER SYSTEMS 9040-9100 2.9-4IN SPARK PLUG D542591

HONEYWELL SR101 SERVUS XXL SIZE 16+ WORK MODEL STUDS D526389

GOODWAY GTC-211-1/4 BLUE NYLON TUBE CLEANING BRUSHES 1/4 IN D557043

GOODWAY GTC-211-9/16 BLUE NYLON TUBE CLEANING BRUSHES 9/16 IN D557039

ALFA LAVAL 060404 38SL-2-304-1 TRI-CLOVER 2IN SLIP ON FLANGE D550502

ALLEN BRADLEY 1492-HM3 TERMINAL BLOCK SER A D551186

BS&B DRSV 2 IN 21PSI @ 72F RUPTURE DISK D530674

GATES BX133 TRI-POWER 136 IN LENGTH 21/32 IN V-BELT D527409

HOSCH HEAD PULLEY SPRUNG BLADE SCRAPER 4-3/4 IN WIDTH D564123

DOW CHEMICAL 1IN 125 FLANGED SARAN LINED IRON PIPE TEE FITTING D564476

LAWTON SIZE D 5X5IN 0.010 STAINLESS PRECUT SHIM D557973

IEC 803 CENTRIFUGE ROTOR 6 SLOT D523513

TEKTRONIX ASSORTED 016-1804-00 016-1805-00 016-1806-00 TONER D524628

FOXBORO N0124SA ELECTRIC PEN MOTOR D535612

GAL INT1H-0036L LEFT HAND DOOR ELEVATOR CONTACT KIT MO/MOCP-KT D544969

PASS SEYMOUR 2091-F GROUND FAULT INTERRUPTER 20A 120V-AC D536203

PHOENIX CONTACT UK3-TWIN TERMINAL BLOCK D524364

NORTH AMERICAN 1813-M02D SENSITROL OIL VALVE 3/8IN NPT D570425

OPTIBELT VB 3L250 V-BELT 25 X 3/8IN D578207