Say panagsara na balbula et importantin kabiangan na interon balbula, say manunan gagala to et pian ag-onleak,say balbulasay sealing seat et tatawagen met ya sealing ring, sakey itan ya organisasyon ya direktan mikonektaan ed medium ed pipeline tan mangaamper ed iyagus na medium. No uusaren so balbula, wala ray nanduruman media ed tubo, singa say likido, gas, larak, corrosive media, tan arum ni, tan saray seal na nanduruman balbula et uusaren ed nanduruman pasen tan nayarin mibagay ed nanduruman medium.
TWSValveipapanonot tod sika ya saray materyales na valve seals et nayarin naapag ed duaran kategorya, salanti, metal tan aliwan metal. Saray aliwan metal ya selyo et kaslakan ya uusaren ed saray tubo ed normal ya temperatura tan presyon, bangbalet saray metal ya seal et walaan na mas malaknab ya aplikasyon tan nayarin usaren ed atagey a temperatura. atagey a presyon.
Mas maong so sintetikon goma nen say natural a goma no nipaakar ed ag-inkayadyari na larak, ag-inkayadyari na petang tan ag-onkapuy. Diad inkalapagan, say temperatura na operasyon na sintetikon goma et t≤150°C, say natural a goma et t≤60°C, tan say goma et uusaren ed panagseal na globe valves, gate valves, diaphragm valves, butterfly valves, check valves, pinch valves tan arum niran balbula ya walay nominal pressure PN≤1MPa.
2. Nylon
Say nylon et walaan na saray katangian ya melag so friction coefficient tan maong ya resistensya ed corrosion. Say nylon et maslak ya uusaren parad ball valves tan globe valves ya walay temperatura ton t≤90°C tan nominal pressure PN≤32MPa.
Say PTFE et maslak ya uusaren parad globe valves, gate valves, ball valves, tan arum nira ya walay temperaturan t≤232°C tan sakey a nominal pressure PN≤6.4MPa.
4. Cast iron
Say cast iron et uusaren parad gate valves, globe valves, plug valves, tan arum ni parad temperatura t≤100°C, nominal pressure PN≤1.6MPa, gas tan langis.
5. Babbitt alloy
Say Babbitt alloy et uusaren parad ammonia globe valve ya walay temperatura ton t-70~150°Ctan nominal pressure PN≤2.5MPa.
6. Copper alloy
Saray kaslakan ya uusaren a materyales parad copper alloys et say 6-6-3 tin bronze tan 58-2-2 manganese brass. Say copper alloy et walaan na maong ya resistensya ed pakasulong tan matukoy ed danum tan singaw ya walay temperaturan t≤200°Ctan nominal pressure PN≤1.6MPa. Mabetbet ya uusaren iya ed saray gate valve, globe valve, check valve, plug valve, tan arum nira.
7. Chrome stainless steel
Say kaslakan ya uusaren ya grado na chromium stainless steel et 2Cr13 tan 3Cr13, ya a-quench tan a-temper, tan walaan na maong ya resistensya ed corrosion. Saya so mabetbet ya uusaren ed saray balbula na danum, singaw tan petrolyo ya walay temperaturan t≤450°Ctan nominal pressure PN≤32MPa.
8. Chrome-nickel-titanium stainless steel
Say kaslakan ya uusaren ya grado na chromium-nickel-titanium stainless steel et 1Cr18Ni9ti, ya walaan na maong ya resistensya ed corrosion, resistensya ed erosion tan resistensya ed petang. Saya so matukoy parad singaw tan arum niran media ya walay temperaturan t≤600°C tan sakey a nominal pressure PN≤6.4MPa, tan uusaren parad globe valves, ball valves, tan arum nira.
9. Nitriding steel
Say kaslakan ya uusaren ya grado na nitriding steel et 38CrMoAlA, ya walaan na maong ya resistensya ed corrosion tan resistensya ed gasgas kayari na carburizing treatment. Mabetbet ya uusaren iya ed saray balbula na puerta na istasyon na kuryente ya walay temperatura ton t≤540°Ctan nominal pressure PN≤10MPa.
10. Boronizing
Say boronizing et direktan manproseso ed sealing surface manlapud materyal na valve body odino disc body, insan to gawaen so boronizing surface treatment. Say tapew na seal et walaan na maong ya resistensya ed panag-usar. Parad balbula na istasyon na kuryente.
No say balbula et uusaren, saray nepeg ya imanoen et onggendan:
1. Nepeg ya suboken so pakayari na balbula pian naseguro so pakayari to.
2. Nengnengen no kasin aderal so sealing surface na balbula, tan apigeren o salatan itan unong ed situasyon.
Oras na pangi-post: Enero-04-2023
