Menene Bellow Seal Globe Valve: Babban Jagora

Fahimtar Bellow Seal Globe Valves

Abellow hatimi globe bawulƙwararren bawul ɗin rufewa ne wanda aka ƙera don kawar da zubewar tushe a cikin aikace-aikace masu mahimmanci. Ba kamar na gargajiya cushe globe bawuloli, yana amfani da karfe bellows taron welded zuwa duka kara da bawul jiki, samar da hermetic hatimi. Wannan ƙira yana da mahimmanci don sarrafa kafofin watsa labarai masu guba, masu lalata, ko tsaftataccen tsafta inda ba a yarda da hayaƙi mai gudu ba.

Mabuɗin Abubuwan Abubuwan Bellow Seal Globe Valves

1. Majalisar Bellows

• Abu:Bakin Karfe (SS316/316L), Inconel 625, ko Hastelloy C276
• Zane:Multi-ply convolutions (8-12 yadudduka) don dorewar zagayowar 10,000+
• Aiki:Yana matsawa / yana ƙarawa yayin aikin bawul yayin da yake riƙe amincin hatimi

2. Jikin Bawul

• Ƙimar Matsi:Darasi na 150 zuwa 2500 (ANSI/ASME B16.34)
• Ƙarshen Haɗi:Flanged (RF/RTJ), soket weld, ko buttweld
• Yanayin Tsayi:-196°C zuwa 550°C (cryogenic zuwa zafi mai zafi)

3. Turi & Fayil

• Haɗe-haɗe jabun taron fayafai don daidaitawa
• Tauraruwar saman (shafi na Stelite 6) don juriyar abrasion

4. Hatimin Sakandare (Ajiyayyen)

• Zane-zanen zane-zane a ƙasan bellows azaman rashin lafiya

Yaya Bellow Seal Globe Valve yake Aiki

Mataki 1: Buɗe Valve

Lokacin da keken hannu yana jujjuya sa'o'i a gaba:

• Tushen ya tashi, yana ɗaga diski daga wurin zama
• Bellows damfara axially, kiyaye hatimi mutunci

Mataki 2: Rufe Valve

Juyawa ta agogo:

• Tushen yana tilasta diski a kan wurin zama, yana dakatar da kwarara
• Bellows ya shimfiɗa zuwa tsayin asali

Mataki na 3: Rigakafin Leaka

Ayyukan rufewa sau biyu:

• Hatimi na farko: Bellows yana toshe hanyar kwararar tushe
• Hatimi na biyu: Marufin zane (API 622 mai yarda)

Fa'idodin Sama da Standard Globe Valves

Aikace-aikacen Masana'antu

1. Gudanar da Sinadarai

• Chlor-alkali tsire-tsire (kyakkyawan iskar chlorine)
• Samar da Pharmaceutical API

2. Mai & Gas

• HF alkylation raka'a
• Canja wurin LNG cryogenic (-162°C)

3. Samar da Wutar Lantarki

• Warewa ruwan ciyarwar tukunyar jirgi
• Tsarin turbine bypass

Sharuddan Zabe

1. Nau'in Bellows

• Ƙarfafa Bellows:Babban matsin lamba (ASME Class 1500+)
• welded Bellows:Kafofin watsa labarai masu lalacewa (ƙirar lantarki)

2. Halayen kwarara

• Matsakaicin kashi daidai da kwararar layin layi don aikace-aikacen sarrafawa

3. Takaddun shaida

• NACE MR0175 don sabis na tsami
• PED 2014/68/EU don kasuwannin Turai

Manyan masana'antun China Bellow Valve

Masana'antun kasar Sin kamar NSW Valve Manufacturer suna ba da:

• API 602/BS 1873 masu yarda da ƙira
• 30% kudin tanadi vs. Turai brands
• Gwajin bellows na al'ada (gano leak na helium)

Kyawawan Ayyuka na Kulawa

• Binciken bell na shekara-shekara don fashe gajiya
• Lubrication mai tushe tare da mai mai zafi mai zafi
• Guji yin juzu'i (max 50 Nm don bawuloli na DN50)