[{"data":1,"prerenderedAt":468},["ShallowReactive",2],{"catalog:meta":3,"catalog:part:hy-mo-01":258,"diagram:part:hy-mo-01":334,"guides:links:parts:HY-MO-01":450,"blog:related:3:hydraulic pressure gauge,manometer,monitoring & instruments,pressure gauge,tecsis":455},{"categories":4,"machines":132,"zones":212,"totals":255},[5,35,59,122],{"id":6,"name":7,"slug":8,"description":9,"partCount":10,"subcategories":11},"EC","Electrical Components","electrical","Electrical systems and components for injection molding machines including heaters, thermocouples, servo motors, and controllers.",11,[12,17,22,27,31],{"id":13,"name":14,"slug":15,"partCount":16},"EC-CBC","Circuit Boards & Controllers","circuit-boards",4,{"id":18,"name":19,"slug":20,"partCount":21},"EC-CE","Connectors & Cables","connectors-cables",2,{"id":23,"name":24,"slug":25,"partCount":26},"EC-GEP","Servo Motors & Drives","servo-motors",1,{"id":28,"name":29,"slug":30,"partCount":21},"EC-HT","Heaters","heaters",{"id":32,"name":33,"slug":34,"partCount":21},"EC-SF","Safety Components","safety",{"id":36,"name":37,"slug":38,"description":39,"partCount":40,"subcategories":41},"HY","Hydraulic Components","hydraulic","Complete range of hydraulic system components including pumps, valves, motors, and pressure controls for injection molding machines.",14,[42,46,51,55],{"id":43,"name":44,"slug":45,"partCount":26},"HY-AU","Accumulators","accumulators",{"id":47,"name":48,"slug":49,"partCount":50},"HY-CV","Control Valves","control-valves",6,{"id":52,"name":53,"slug":54,"partCount":26},"HY-MO","Monitors & Gauges","monitors-gauges",{"id":56,"name":57,"slug":58,"partCount":50},"HY-PW","Pumps & Motors","pumps-motors",{"id":60,"name":61,"slug":62,"description":63,"partCount":64,"subcategories":65},"MC","Mechanical Components","mechanical","Mechanical parts and assemblies including barrels, screws, tie bars, bushings, platens, and clamping components.",42,[66,71,75,80,85,89,93,97,101,105,109,114,118],{"id":67,"name":68,"slug":69,"partCount":70},"MC-BC","Barrels & Cylinders","barrels-cylinders",5,{"id":72,"name":73,"slug":74,"partCount":16},"MC-SB","Screw Barrels & Seals","screws",{"id":76,"name":77,"slug":78,"partCount":79},"MC-TC","Tie Bars & Columns","tie-bars",7,{"id":81,"name":82,"slug":83,"partCount":84},"MC-GZ","Bushings & Guides","bushings-guides",8,{"id":86,"name":87,"slug":88,"partCount":26},"MC-PP","Platens","platens",{"id":90,"name":91,"slug":92,"partCount":70},"MC-TL","Toggle & Links","toggle-links",{"id":94,"name":95,"slug":96,"partCount":21},"MC-CC","Clamping Components","clamping",{"id":98,"name":99,"slug":100,"partCount":21},"MC-GMP","Tools & Accessories","tools-accessories",{"id":102,"name":103,"slug":104,"partCount":21},"MC-ES","End Caps & Plates","end-caps",{"id":106,"name":107,"slug":108,"partCount":26},"MC-SR","Seals & Rings","seals-rings",{"id":110,"name":111,"slug":112,"partCount":113},"MC-JM","Joints & Mounts","joints-mounts",3,{"id":115,"name":116,"slug":117,"partCount":26},"MC-SG","Safety Guards","safety-guards",{"id":119,"name":120,"slug":121,"partCount":26},"MC-CR","Clamping Mechanism","clamping-mechanism",{"id":123,"name":124,"slug":125,"description":126,"partCount":113,"subcategories":127},"O","Other Components","other","Additional components including filters, cooling systems, lubrication parts, and other auxiliary equipment.",[128],{"id":129,"name":130,"slug":131,"partCount":113},"O-TC","Filters & Cooling","filters-cooling",[133,143,161,172,180,188,194,200,205],{"id":134,"name":135,"slug":134,"series":136,"partCount":142},"haitian","Haitian International",[137,138,139,140,141],"Mars Series (MA)","Jupiter Series (JU)","Zhafir Venus Series (VE)","Zhafir Zeres Series (ZE)","Zhafir Jeres Series (JE)",68,{"id":144,"name":145,"slug":144,"series":146,"partCount":160},"yizumi","Yizumi",[147,148,149,150,151,152,153,154,155,156,157,158,159],"A6 Series","A5-EU Series","A5-N Series","SKIII Series","DP Series","D1 Series","FF Series","FF-M Series","P Series","CG-P Series","VM Series","SPET Series","LSR Series",12,{"id":162,"name":163,"slug":162,"series":164,"partCount":171},"chen-hsong","Chen Hsong",[165,166,167,168,169,170],"JETMASTER MK Series","JETMASTER SVP Series","SUPERMASTER Series","EASYMASTER Series","SPARK Series","JETMASTER C2 Series",10,{"id":173,"name":174,"slug":173,"series":175,"partCount":179},"tederic","Tederic",[176,177,178],"NEO Series","D Series (Two-Platen)","DE Series (All-Electric)",0,{"id":181,"name":182,"slug":181,"series":183,"partCount":179},"borch","Borch",[184,185,186,187],"BU Series (Two-Platen)","BS-III Series (Servo)","BE Series (All-Electric)","BM Series (Multi-color)",{"id":189,"name":190,"slug":189,"series":191,"partCount":179},"log-machine","LOG Machine",[192,193],"LOG-SE Series","LOG-EE Series (All-Electric)",{"id":195,"name":196,"slug":195,"series":197,"partCount":179},"donghua","Donghua",[198,199],"DH Series (Servo)","DH-TP Series (Two-Platen)",{"id":201,"name":202,"slug":201,"series":203,"partCount":179},"sunbun","Sunbun",[204],"Sunbun Servo Series",{"id":206,"name":207,"slug":206,"series":208,"partCount":179},"lijin","L.K. Machinery (Lijin)",[209,210,211],"POTENZA Series","FORZA Series (Two-Platen)","ELETTRICA Series (All-Electric)",[213,217,221,225,228,231,235,238,242,248,251],{"id":214,"number":26,"name":215,"role":216,"partCount":21},"clamp-cylinder","Clamping cylinder","The hydraulic cylinder behind the rear platen. It drives the crosshead that straightens the toggle links, which opens and closes the mold and builds the clamping force.",{"id":218,"number":21,"name":219,"role":220,"partCount":50},"toggle","Toggle mechanism","Links, pins and bushings between the rear and moving platens. They multiply the force of the clamping cylinder and lock the mold shut while plastic is injected.",{"id":222,"number":113,"name":223,"role":224,"partCount":113},"ejector","Ejector","A small cylinder behind the moving platen that pushes the ejector rods and plate forward to release the finished part from the mold.",{"id":78,"number":16,"name":226,"role":227,"partCount":40},"Tie bars & bushings","Four steel columns that join the platens, guide the moving platen and carry the clamping force. Tie bar nuts lock them in place; bushings guide the moving platen along them.",{"id":88,"number":70,"name":229,"role":230,"partCount":21},"Platens & mold plates","The fixed and moving platens carry the two halves of the mold; the rear platen anchors the toggle. Locating rings and clamping plates center and hold the mold.",{"id":232,"number":50,"name":233,"role":234,"partCount":50},"barrel-screw","Barrel, screw & nozzle","The screw turns inside the heated barrel to melt and mix the plastic, then moves forward to inject it through the nozzle into the mold. The screw tip and check ring stop melt from flowing back.",{"id":30,"number":79,"name":236,"role":237,"partCount":113},"Heater bands & sensors","Heater bands around the barrel and nozzle melt the plastic. Thermocouples measure each heating zone so the controller can hold the set temperature.",{"id":239,"number":84,"name":240,"role":241,"partCount":79},"injection-unit","Injection unit","Injection cylinders push the screw forward, the hydraulic (plasticizing) motor turns it, and the carriage moves the unit against the mold on its guide rails.",{"id":243,"number":244,"name":245,"role":246,"partCount":247},"hydraulics",9,"Hydraulic unit","The pump, motor, valves, accumulator, filters and oil cooler in the machine base. They supply and control the oil pressure for every movement of the machine.",16,{"id":8,"number":171,"name":249,"role":250,"partCount":244},"Electrical cabinet","The controller, I\u002FO and drive boards, servo drives, contactors and safety switches that run and protect the machine.",{"id":252,"number":10,"name":253,"role":254,"partCount":21},"feet","Machine feet","Leveling bolts and anti-vibration pads under the machine base that keep the machine level and stop vibration spreading to the floor.",{"parts":256,"subcategories":257},70,23,{"part":259,"category":301,"zone":307,"related":308},{"partNumber":260,"name":261,"slug":262,"category":36,"subcategory":52,"categoryName":37,"subcategoryName":263,"shortDescription":264,"description":265,"specifications":266,"variants":279,"compatibleMachines":289,"images":293,"tags":294,"relatedParts":297,"inStock":299,"featured":300},"HY-MO-01","Hydraulic Pressure Gauge","hydraulic-pressure-gauge","Monitoring & Instruments","Glycerin-filled hydraulic pressure gauge for injection molding machine system monitoring.","Industrial hydraulic pressure gauge for injection molding machine hydraulic system monitoring. Glycerin-filled for dampened needle readings. Available in panel-mount and direct-mount configurations. Tecsis brand available.",[267,270,273,276],{"name":268,"value":269},"Type","Glycerin-Filled Pressure Gauge",{"name":271,"value":272},"Range","0–25 MPa",{"name":274,"value":275},"Accuracy","±1.6%",{"name":277,"value":278},"Brand","Tecsis \u002F Standard",[280,284],{"sku":281,"type":282,"description":283},"HY-MO-01-STD","Standard","Direct mount gauge",{"sku":285,"brand":286,"type":287,"description":288},"HY-MO-01-TC","Tecsis","Vertical 25MPA Non-Panel","Vertical mount, non-panel type, 25 MPa",[290,291,292],"Haitian MA Series","Haitian Jupiter Series","Yizumi A5 Series",[],[295,296,286],"pressure gauge","manometer",[298],"HY-AU-02",true,false,{"id":36,"name":37,"slug":38,"description":39,"partCount":40,"subcategories":302},[303,304,305,306],{"id":43,"name":44,"slug":45,"partCount":26},{"id":47,"name":48,"slug":49,"partCount":50},{"id":52,"name":53,"slug":54,"partCount":26},{"id":56,"name":57,"slug":58,"partCount":50},{"id":243,"number":244,"name":245,"role":246},[309,315,321,328],{"partNumber":298,"name":310,"subcategory":43,"subcategoryName":44,"shortDescription":311,"image":312,"inStock":299,"zone":243,"compatibleMachines":313},"Hydraulic Accumulator","Bladder-type hydraulic accumulator for injection molding machine high-speed injection circuits.","\u002Fpart-images\u002FHY\u002FHY-AU-02\u002FHY-AU-02.jpg",[290,291,314],"Chen Hsong JM Series",{"partNumber":316,"name":317,"subcategory":47,"subcategoryName":48,"shortDescription":318,"image":319,"inStock":299,"zone":243,"compatibleMachines":320},"HY-CV-02","Directional Control Valve","Solenoid-operated directional control valve for injection molding machine hydraulic circuits.","\u002Fpart-images\u002FHY\u002FHY-CV-02\u002Feeaecc6c53657d38d48089a1344d4bce.jpg",[290,291,292,314],{"partNumber":322,"name":323,"subcategory":47,"subcategoryName":48,"shortDescription":324,"image":325,"inStock":299,"zone":243,"compatibleMachines":326},"HY-CV-04","Proportional Pressure\u002FFlow Valve","Proportional solenoid valve for precise pressure and flow control in injection molding machines.","\u002Fpart-images\u002FHY\u002FHY-CV-04\u002F06e2c777-c0f3-4739-8046-c59de63bbd4e.png",[290,327,292],"Haitian MA II Series",{"partNumber":329,"name":330,"subcategory":47,"subcategoryName":48,"shortDescription":331,"image":332,"inStock":299,"zone":243,"compatibleMachines":333},"HY-CV-08","Cartridge Valve","Hydraulic cartridge valve for injection molding machine manifold blocks.","\u002Fpart-images\u002FHY\u002FHY-CV-08\u002F41953eeb-f34f-4462-bdad-956e39dcf40b.png",[291,327],{"diagram":335,"items":449},{"title":336,"description":337,"labels":338,"items":346},"Parts of a hydraulic pressure gauge","Line drawing of a glycerin-filled pressure gauge, from the front and with the dial removed: case, dial, needle, Bourdon tube, movement and connection, numbered.",[339,343],{"x":340,"y":341,"text":342},180,54,"FRONT",{"x":344,"y":341,"text":345},450,"DIAL REMOVED",[347,364,386,399,411,426],{"id":348,"name":349,"role":350,"parts":351,"marker":352,"shapes":356},"case","Glycerin-filled case","Sealed case filled with glycerin, which damps the needle against pump pulsation and vibration. The plug on top closes the filling hole.",[260],[353,354,355,354],24,110,105,{"solid":357,"line":360,"hidden":362},[358,359],"M84 170a96 96 0 1 0 192 0a96 96 0 1 0 -192 0z","M174 64h12a2 2 0 0 1 2 2v6a2 2 0 0 1 -2 2h-12a2 2 0 0 1 -2 -2v-6a2 2 0 0 1 2 -2z",[361],"M92 170a88 88 0 1 0 176 0a88 88 0 1 0 -176 0z",[363],"M354 170a96 96 0 1 0 192 0a96 96 0 1 0 -192 0z",{"id":365,"name":366,"role":367,"marker":368,"shapes":371},"dial","Dial","The printed scale, usually in MPa or bar, read through the window.",[353,369,370,369],200,104,{"solid":372,"line":374},[373],"M98 170a82 82 0 1 0 164 0a82 82 0 1 0 -164 0z",[375,376,377,378,379,380,381,382,383,384,385],"M130.5 219.5L123.4 226.6","M113.4 191.6L103.9 194.7","M110.9 159L101 157.5","M123.4 128.9L115.3 123","M148.2 107.6L143.7 98.7","M180 100L180 90","M211.8 107.6L216.3 98.7","M236.6 128.9L244.7 123","M249.1 159L259 157.5","M246.6 191.6L256.1 194.7","M229.5 219.5L236.6 226.6",{"id":387,"name":388,"role":389,"marker":390,"shapes":394},"needle","Needle","Sits on the pinion shaft and turns with the movement to point at the pressure.",[391,353,392,393],230,213,113,{"solid":395,"line":397},[396],"M176 170a4 4 0 1 0 8 0a4 4 0 1 0 -8 0z",[398],"M173 182L213 113",{"id":400,"name":401,"role":402,"marker":403,"shapes":408},"bourdon","Bourdon tube","Curved, flattened tube closed at the tip. Oil pressure tries to straighten it, and the tip moves in proportion to the pressure.",[404,405,406,407],616,120,514,133,{"solid":409},[410],"M443.6 243.7A74 74 0 1 1 522.9 157.2L513 158.9A64 64 0 1 0 444.4 233.8Z",{"id":412,"name":413,"role":414,"marker":415,"shapes":418},"movement","Movement","Link, toothed sector and pinion that turn the small movement of the tube tip into the full sweep of the needle.",[404,416,417,392],214,501,{"solid":419,"line":422},[420,421],"M486 200L447.5 186A41 41 0 0 1 465.5 164.5Z","M444 170a6 6 0 1 0 12 0a6 6 0 1 0 -12 0z",[423,424,425],"M518 158L501.3 212.9","M486 200L501.3 212.9","M483.5 200a2.5 2.5 0 1 0 5 0a2.5 2.5 0 1 0 -5 0z",{"id":427,"name":428,"role":429,"marker":430,"shapes":433},"connection","Connection","Threaded socket that screws into the gauge port. Inside the case it also anchors the Bourdon tube and carries the oil into it.",[340,431,340,432],336,312,{"solid":434,"line":442},[435,436,437,438,439,440,441],"M166 266h28v16h-28z","M162 282h36a2 2 0 0 1 2 2v10a2 2 0 0 1 -2 2h-36a2 2 0 0 1 -2 -2v-10a2 2 0 0 1 2 -2z","M168 296h24v16h-24z","M446 228h32a2 2 0 0 1 2 2v32a2 2 0 0 1 -2 2h-32a2 2 0 0 1 -2 -2v-32a2 2 0 0 1 2 -2z","M448 264h28v18h-28z","M444 282h36a2 2 0 0 1 2 2v10a2 2 0 0 1 -2 2h-36a2 2 0 0 1 -2 -2v-10a2 2 0 0 1 2 -2z","M450 296h24v16h-24z",[443,444,445,446,447,448],"M168 300L192 300","M168 304L192 304","M168 308L192 308","M450 300L474 300","M450 304L474 304","M450 308L474 308",[348],[451],{"to":452,"label":453,"description":454},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fpressure-gauge\u002F","Pressure gauge","How the glycerin-filled hydraulic pressure gauge of an injection molding machine works, how to choose and check one, signs of failure and how to quote it.",[456],{"title":457,"path":458,"description":459,"date":460,"category":461,"tags":462},"Troubleshooting Hydraulic Pressure Loss in Injection Molding Machines","\u002Fblog\u002Ftroubleshooting-hydraulic-pressure-loss","Diagnose and fix hydraulic pressure loss problems in injection molding machines. Common causes, step-by-step troubleshooting, and replacement parts guide.","2026-09-30","Troubleshooting",[38,463,464,465,466,467],"pressure loss","troubleshooting","vane pump","piston pump","control valve",1793548982508]