(1) Avalve a nia thawk lo.
Fault phenomenon leh a chhante chu hetiang hi a ni:
1. Gas source a awm lo.1 Air source a inhawng lo a, 2 thlasik laiin air source ice-a tui awm zat avang hian air duct emaw filter emaw a block a, pressure relief valve a block a, 3 air compressor a chhia a, 4 air source main pipe a leak bawk.
2. Air source, signal awm lo.1 DCS output fault, 2 signal cable tihtawp; 3 locator tihsual a awm a;
3. Locator hian gas source a nei lo.1 Filter blockage; 2 pressure relief valve a chhiat 3 pipe a leak emaw a block emaw.
4. Positioner hian gas source a nei a, output a nei lo. Nozzle chu a block a ni.
5. Signal, action a awm lo.1 Core leh seat a nghet a, 2 stem a ben emaw a chhe emaw; 3 seat core frozen emaw coke block bawlhhlawh emaw; 4 hun rei tak hman a nih avangin actuator spring rust; 5 valve spring a chhe emaw, diaphragm a chhia emaw; 6 solenoid valve a chhiat avangin; 7 stem a awm.
(2) Valve hnathawh dan a nghet lo.
Fault phenomenon leh a chhante chu hetiang hi a ni:
1. Thli chhuahna hmuna pressure nghet lo. Pressure relief valve a chhiat avangin.
2. Signal pressure chu a nghet lo.1 Control point-a PID parameters; 2 regulator output a nghet lo a; 3 wiring a lo chhuak.
3. Air source pressure a stable a, signal pressure pawh a stable a, mahse regulating valve action erawh a la nghet lo.1 Locator fault 2 output pipe leh line leak; 3 actuator chu a rigid lutuk a; 4 stem movement-ah friction resistance lian tak; 5 hnathawhna dinhmun a nghet lo a, tuna kan dinhmun hi thlan nen a inmil lo; 6 diaphragm emaw spring emaw a chhe a; 7 cylinder emaw membrane lu emaw a leak a; 8 valve chhung a chhia a; 9 tehna hmun a nghet lo.
(3) Valve vibration a awm.
Fault phenomenon leh a chhante chu hetiang hi a ni:
1. Regulating valve chu eng opening degree-ah pawh a vibrate thin.1 Unstable support; vibration source 2 bulah a awm a; 3 spool leh bushing te; throttling na tak a ni.
2. Regulating valve chu full closed position bulah a vibrate thin.1 Regulating valve hi a lian a, opening te tak te hnuaiah hman fo thin a ni a; 2 single seat valve hi hnathawhna hmun atan a tha lo.
(4) Valve hnathawh hi a slow hle.
Dullness thlentu phenomenon leh a chhante chu hetiang hi a ni:
Valve stem chu reciprocating action laiin a dull thin.1 Valve chhunga bond blockage; 2 PTFE packing chhe lutuk hardening emaw graphite packing lubricating oil dry emaw; 3 packing a tight lutuk a, friction resistance a sang a; 4 valve stem avanga friction resistance lian tak chu a dinglam lo; 5 cylinder chakna a lian tawk lo a, cylinder emaw gas source emaw harsatna a awm a; 6 hnathawh dan tur inthlak danglam; 7 spring fault a awm a; 8 locator a chhiat avangin.
(5) Valve-a leakage awm zat a pung.
Leakage awm chhan chu hetiang hi a ni.
1. Valve khar kim vek a nih chuan leakage volume lian tak.1 Valve core a chhe tawh a, internal leakage a nasat em em a, 2 valve chu a insiamrem lo va, khar a ni lo; 3 mechanical zero chu a inthlak danglam lo.
2. Valve hian fully closed position a thleng thei lo.1 Medium pressure difference a lian lutuk a, actuator torque a tlem lutuk a, air source pressure a tawk lo a, valve a khar lo bawk a; 2 valve chhungah hian thil dang a awm a; 3 bushing chu coking a ni a; 4 valve chhung lam a chhia a ni.
(6) Flow adjustable range a tlem zawk.
material cause: Valve core emaw valve seat emaw chu a corroded te zawk a, chuvang chuan normal opening chu a lian zawk thin.
Tanggu Tui Seal Valve Co., Ltd.-in a siam a ni., hi technology lama hmasawn tak elastic seat valve supporting enterprise a ni a, a thil siamte chu elastic seat a niwafer hnim hring valve a ni, lug hnim hring valve, double flange concentric hnim hring valve, .double flange eccentric butterfly valve hmanga siam a ni, balance valve, wafer tih te a nidual plate check valve a nileh a dangte. Tianjin Tanggu Water Seal Valve Co., Ltd. ah hian industry standard sang ber nena inmil first-class product kan pe thei hi kan chhuang hle. Valve leh fitting hrang hrang kan neih avangin i tui system atana solution tha ber kan pe thei ang tih i ring thei ang. Kan thil siam chungchang leh kan tanpui theih dan tur hriat duh chuan vawiin hian min rawn biak theih reng e.
Post hun chhung: Sep-23-2023
