Gate Valve: Gate valve chu gate (gate plate) hmanga passage axis-a dinglam hawia kal theihna valve a ni. Pipeline-ah chuan medium isolate nan hman a ni ber a, chu chu fully open emaw fully closed emaw tihna a ni. A tlangpuiin gate valve hi flow regulation atan a tha lo. Valve material a zirin temperature hniam leh temperature sang leh pressure sang tak atan pawh hman theih a ni.
Mahse, gate valve hi a tlangpuiin slurry emaw, chutiang chi media emaw phurh chhuahna pipeline-ah chuan hman a ni lo.
A thatna te: 1.1.
Fluid resistance a hniam hle.
A hawn leh khar nan torque tlem zawk a mamawh.
Bidirectional flow system-ah hman theih a ni a, chu chuan medium chu a sir lehlamah a luang thei a ni.
A hawn kim chuan sealing surface hi globe valve nena khaikhin chuan working medium atanga erosion a awm tlem zawk.
Structure awlsam tak leh siam dan tha tak nei.
A structure sei zawng compact tak a ni.
A that lohna: 1.1.
Overall dimension lian zawk leh installation space a ngai.
Sealing surface inkara friction leh wear sang zawk chu hawn leh khar laiin, a bik takin temperature sang takah.
Gate valve-ah hian sealing surface pahnih a awm tlangpui a, hei hian processing, grinding leh maintenance-ah harsatna a tipung thei a ni.
Hawn leh khar hun rei zawk.
Butterfly Valve a ni: Butterfly valve chu disc ang chi closure element hmanga degree 90 vel a inher a, fluid flow hawn, khar leh tihreh theihna valve a ni.
A thatna te: 1.1.
A structure awlsam, a size compact, a rit lo, leh material hman tlem avangin large-diameter valve atan a tha hle.
Flow resistance hniam tak neia hawn leh khar rang.
Suspended solid particle nei media a handle thei a, sealing surface chakna a zirin powdery leh granular media atan pawh hman theih a ni.
Ventilation leh dust removal pipeline-a bidirectional opening, closing, leh regulation atan a tha. Metallurgy, light industry, power, leh gas pipeline leh tui kawngpui siamna atana petrochemical system-ah te hman a ni nasa hle.
A that lohna: 1.1.
Flow regulation range tihtlem a ni a; valve 30% a hawn chuan flow rate chu 95% aia tam a ni ang.
Structure leh sealing materials lama harsatna a awm avangin high-temperature leh high-pressure pipeline system atan a tha lo. A tlangpuiin 300°C hnuai lam leh PN40 aia hniam emaw ah hna a thawk thin.
Ball valve leh globe valve nena khaikhin chuan sealing performance a chhe zawk a, chuvangin sealing mamawhna sang tak nei application atan chuan a tha lo hle.
Ball Valve: Ball valve hi plug valve atanga lak chhuah a ni a, a closure element chu sphere a ni a, axis of thevalve a nistem chu hawn leh khar theihna tur a ni. Ball valve hi pipeline-ah hian shut-off, distribution leh flow direction thlak danglamna atan hman a ni ber. V-shaped opening nei ball valve te hian flow regulation theihna tha tak an nei bawk.
A thatna te: 1.1.
Flow resistance tlem ber (practically zero) a ni.
A hnathawh laiin (lubrication tel lovin) a stick loh avangin corrosive media leh low boiling point liquid-a hman rintlak.
Pressure leh temperature hrang hrang chhungah sealing kimchang a ti thei.
Fast opening and closing, structure thenkhatah opening/closing time second 0.05 atanga 0.1 vel a tawi a, operation laiin impact awm lo bench-a testing bench-a automation system atan a tha hle.
Ball khar element hmangin boundary position-ah automatic-a dah theih a ni.
Working medium sir lehlamah sealing rintlak tak a awm.
High-speed media atanga sealing surface te chu a inhawng kim emaw, a khar vek emaw a nih chuan erosion a awm lo.
Compact leh lightweight structure a nih avangin low-temperature media system tan chuan valve structure tha ber a ni.
Symmetrical valve body, a bik takin welded valve body structure-ah chuan pipeline atanga stress a tuar thei a ni.
Closure element hian closing laiin pressure sang tak a tuar thei a ni. Fully welded ball valve te chu lei hnuaiah phum theih a ni a, a chhunga thil awmte chu a chhe lo tih a tichiang a, a service life sang ber chu kum 30 a ni a, oil leh gas pipeline atan a tha hle.
A that lohna: 1.1.
Ball valve-a sealing ring material ber chu polytetrafluoroethylene (PTFE) a ni a, hei hi chemical zawng zawng deuhthaw-ah a inert a, friction coefficient hniam, stable performance, tar chak lohna, wide temperature range suitability, leh sealing performance tha tak te ang chi characteristic kimchang tak a nei a ni.
Mahse, PTFE physical property, a expansion coefficient sang zawk, cold flow laka sensitivity, leh thermal conductivity tha lo te te hian seat seal design hi heng characteristics te atanga siam a ngai a ni. Chuvangin, sealing material a khauh chuan seal rintlakna a tichhe thin.
Chubakah, PTFE hian temperature resistance rating hniam tak a nei a, 180°C hnuai lam chauh hman theih a ni. Hetiang temperature a pelh chuan sealing material chu a upa tawh ang. Hun rei tak hman dan ngaihtuah chuan a tlangpuiin 120°C aia sang hman a ni lo.
A regulating performance hi globe valve aiin a hniam zawk a, a bik takin pneumatic valve (or electric valve) te aiin a hniam zawk a ni.
Globe Valve: Seat center line-a closure element (valve disc) kalna valve a kawk a ni. Seat orifice danglamna hi valve disc kal dan nen a inmil vek a ni. Hetiang valve chi khat hawn leh khar hun rei lo tak leh a shut-off function rintlak tak avang te, chubakah seat orifice inthlak danglamna leh valve disc kal dan inzawmna (proportional relationship) avang hian flow regulation atan a tha hle. Chuvangin, he valve chi hi shut-off, regulation, leh throttling atan hman a ni tlangpui.
A thatna te: 1.1.
Opening leh closing process-ah hian valve disc leh valve body sealing surface inkar friction force chu gate valve aiin a tlem zawk a, hei hian wear-resistant zawk a siam a ni.
A hawnna san zawng hi a tlangpuiin seat channel 1/4 chauh a ni a, hei vang hian gate valve aiin a te zawk hle.
A tlangpuiin valve body leh valve disc-ah hian sealing surface pakhat chauh a awm a, hei hian siam leh siamthat a awlsam phah hle.
Temperature resistance rating sang zawk a nei a, a chhan chu packing hi asbestos leh graphite inzawmkhawm a nih tlangpui vang a ni. Globe valve hi steam valve atan hman a ni tlangpui.
A that lohna: 1.1.
Valve kal tlanga medium flow direction a inthlak avangin globe valve pakhata flow resistance tlem ber chu valve chi dang tam zawk aiin a sang zawk a ni.
Stroke rei zawk avang hian ball valve nena khaikhin chuan opening speed a slow zawk.
Plug Valve: Cylinder emaw cone plug ang chi closure element nei rotary valve a kawk a ni. Plug valve-a valve plug chu degree 90-a inherin valve body-a passage chu a inzawm emaw, a then emaw a ni a, chu chuan valve hawn emaw khar emaw a tihlawhtling thei a ni. Valve plug pianzia hi cylindrical emaw conical emaw pawh a ni thei. A principle hi ball valve nen a inang a, plug valve hmanga siam a ni a, oilfield exploitation bakah petrochemical industry-ah te hman a ni ber.
Safety Valve: Pressurized vessel, hmanrua, pipeline-a overpressure laka invenna hmanrua angin a thawk a ni. Equipment, vessel emaw pipeline chhunga pressure chuan allowable value a pelh chuan valve chu a inhawng nghal vek a, a full capacity chu a chhuah tir a, pressure tihpun belh zel tur a veng thei a ni. Pressure chu a zat tur anga a tlak chuan, hmanrua, bungrua emaw, pipeline emaw him taka a thawh theih nan valve chu a khar nghal tur a ni.
Steam Trap: Steam, compressed air leh media dangte phurh chhuahnaah hian condensate water a lo awm thin. Device hman tangkai leh him taka hman theih nan heng media tangkai lo leh hlauhawm tak takte hi a hun taka paih chhuah a ngai a, chu chuan device hman leh hman dan a vawng reng thei a ni. A hnuaia hnate hi a nei a ni: (1) Condensate tui lo chhuak chu rang takin a paih chhuak thei a ni. (2) Steam leakage a veng. (3) A paih chhuak thin.
Pressure Reducing Valve: Adjustment hmanga inlet pressure chu outlet pressure duh ang thlenga tihhniamtu valve a ni a, medium ngeia energy a rinchhan a, outlet pressure nghet tak chu automatic-in a vawng reng thei a ni.
Valve enfiah rawh: Non-return valve, backflow preventer, back pressure valve, emaw one-way valve tia hriat bawk. Heng valve te hi pipeline chhunga medium luang chhuak atanga chakna lo chhuak chuan automatic in a hawng a, a khar a, chu chuan automatic valve chi khat a ni ta a ni. Check valve hi pipeline system-ah hman a ni a, an hnathawh ber chu medium backflow venna, pump leh driving motor reversal venna, leh container media release te a ni. Check valve hi auxiliary system supply tu pipeline-ah pawh hman theih a ni a, chutah chuan pressure chu system pressure aia sangin a sang thei a ni. Rotary type (center of gravity atanga rotate) leh lift type (axis-a kal)-ah te then theih a ni ber.
Post hun chhung: Jun-03-2023
