Tunlai piping system hrang hrangah hian globe valve, gate valve, butterfly valve, check valve leh ball valve te hi control component pawimawh tak tak an ni vek a. Valve tin hi a hmel, a structure leh functional use thlengin a danglam vek a ni. Mahse, globe valve leh gate valve hian a lan danah inang deuh deuh an nei a, chutih rual chuan pipeline-ah truncation function an nei bawk a, chuvangin an pahnih tibuaitu tur valve nena inzawmna nei vak lo ṭhian tam tak an awm dawn a ni. Dik tak chuan ngun taka i en chuan globe valve leh gate valve inthlauhna hi a la lian khawp mai.
- Ruangam
Installation space tlem a nih chuan hetiang thlan dan hi ngaihven a ngai a ni:
Gate valve chu sealing surface nen chuan medium pressure-ah innghatin nghet takin khar theih a ni a, chutiang chuan no leakage effect a awm thei ang. A hawn leh khar hian valve spool leh valve seat sealing surface te chu an inzawm reng a, an inhnim hnawih bawk a, chuvangin sealing surface chu a inbel a awlsam a, gate valve chu khar hnaih a nih chuan pipeline hma leh hnung inkar pressure danglamna a lian hle a, sealing surface chu a chhe nasa zawk a ni.
Gate valve structure hi globe valve aiin a complex zawk dawn a, a lan dan atang chuan caliber inang a nih chuan gate valve hi globe valve aiin a sang zawk a, globe valve hi gate valve aiin a sei zawk bawk. Hei bakah hian gate valve hi bright rod leh dark rod ah then a ni bawk. Globe valve chu a ni lo.
- Hnathawk
Globe valve hawn leh khar a nih chuan rising stem type a ni a, chu chu hand wheel chu a inher tihna a ni a, hand wheel hian valve stem nen hian rotation leh lifting movement a ti ang. Gate valve hian handwheel chu a herh tur a ni a, chutiang chuan stem chuan lifting movement a ti a, handwheel awmna hmun ngei pawh a danglam lo.
Flow rate a inang lo a, gate valve-ah chuan full emaw full closure emaw a ngai a, globe valve erawh chu a khar lo thung. Globe valve hian inlet leh outlet direction bik a nei a, gate valve hian import leh export direction a mamawh lo.
Tin, gate valve hi state hnih chauh hawn kim emaw khar kim vek emaw a ni a, stroke-a gate hawn leh khar hun pawh a lian hle a, hawn leh khar hun pawh a rei hle. Globe valve-a valve plate movement stroke hi a tlem zawk hle a, globe valve-a valve plate chu flow adjustment atan hmun engemaw takah motion-ah a ding thei a ni. Gate valve hi truncation atan chauh hman theih a ni a, hna dang a nei lo.
- Chetdan
Globe valve hi truncation leh flow regulation atan hman theih a ni. Globe valve-a fluid resistance hi a lian hle a, hawn leh khar a harsa zawk a, mahse valve plate chu sealing surface atanga tawi a nih avangin hawn leh khar stroke chu a tawi hle.
Gate valve hi hawn kim leh khar kim theih chauh a nih avangin, hawn kim a nih chuan valve body channel-a medium flow resistance chu 0 vel a ni a, chuvangin gate valve hawn leh khar hian hnathawh a tikhawtlai hle ang a, mahse gate plate hi sealing surface atanga hla tak a ni a, hawn leh khar hun pawh a rei hle.
- Installation leh flow lam hawi
Gate valve chu a sir lehlamah a luang chhuak a, a nghawng chu a inang vek a, installation inlet leh outlet lam a ngai lo va, medium chu a sir lehlamah a luang thei bawk. Globe valve hi valve body arrow identification kalna lam hawi taka dah a ngai a, globe valve lakluh leh thawnchhuahna tur kawng chiang tak a awm a, China rama globe valve “three to” flow direction chu a chung atanga a hnuai lam thlengin a awm bawk.
Globe valve hi low in leh high out a ni a, pawn lam atang chuan phase level-a awm lo pipe chiang tak tak a awm bawk. Gate valve runner chu line horizontal-ah a awm a. Gate valve stroke hi globe valve aiin a lian zawk a ni.
Flow resistance thlirna atang chuan gate valve hi a inhawng kim chuan flow resistance a tlem a, load stop valve flow resistance pawh a lian hle bawk. Gate valve pangngaia flow resistance coefficient chu 0.08~0.12 vel a ni a, opening leh closing force a tlem a, medium chu kawng hnih ah a luang thei bawk. Shut-off valve pangngaia flow resistance hi gate valve aiin a let 3-5 in a tam zawk a ni. A hawn leh khar hian seal tihhlawhtlin nan khar chu force a ngai a, globe valve valve spool chu a khar vek hunah sealing surface nen chauh a inzawm a, chuvangin sealing surface wear chu a tlem hle a, a chhan chu main force flow hian actuator of the globe valve add a ngai a ni.
Globe valve hian install dan kawng hnih a nei a, pakhat chu valve spool hnuai atanga medium a lut thei a, a thatna chu valve khar a nih chuan packing chu pressure hnuaiah a awm lo va, packing service life pawh a sei thei a, packing thlak hna chu valve hmaa pipeline-a pressure hnuaiah kalpui theih a ni bawk a chhiatna chu valve driving torque a lian a, chu chu upper flow aiin a let 1 vel a ni a, valve stem axial force a lian a, valve stem chu a ben awlsam bawk.
Chuvangin, he method hi a tlangpuiin small-diameter globe valve (DN50 aia tlem) tan chauh a tha a, DN200 chunglam globe valve te hi chunglam atanga media luang lut dan tur atan thlan a ni. (Electric shut-off valve-ah chuan chunglam atanga lut tur chuan medium hi an hmang tlangpui.) Chunglam atanga media luh dan a that lohna chu a hnuai lam atanga a luh dan nen a inpersan tak zet a ni.
- Sealing tih a ni
Globe valve sealing surface hi valve core trapezoidal lam te tak te a ni (a bik takin valve core pianzia en rawh), valve core chu vawi khat a tlak chuan valve khar nen a inang (pressure danglamna a lian a nih chuan, a dik e, shutdown hi a strict lo a, mahse reverse effect a chhe lo), gate valve chu valve core gate plate sir lamah sealed a ni a, sealing effect chu a tha tawk lo globe valve, leh valve core chu globe valve angin a tla lo vang.
Post hun chhung: Apr-01-2022
