Tlhahiso ea rona ea li-valve tsa polokeho
Safety tlisang liphallelo tsotellehe khatello Phomolo ea polokeho Phomolo ea khatello Security Khatello e tlase Tšireletseho ea Italy li-valve
kajeno, BESA ke ntlha ea tšupiso eseng feela bakeng sa tlhahiso le nts'etsopele ea lihlahisoa tsa eona tsa setso, empa le bakeng sa ts'ebeletso (ka ts'ebeletso e hlophisitsoeng ea tlhokomelo eo e fanang ka eona) le ho bapatsa lihlahisoa tse ncha tse khonang ho khotsofatsa litlhoko tse ngata tse fapaneng.
Re rala le ho etsa li-valve tsa polokeho tse loketseng ho tsoa ha likhase, mouoane le maro.
BESA li-valve tsa polokeho li entsoe, li etsoa le ho khethoa ho latela litaelo tsa Europe 2014/68/EU (PED) le 2014/34/EU (ATEX), API standli-ards 520 526 527 le melaoana ea sesole sa metsing ea RINA, Bureau Veritas le Det Norske Veritas.
BESA li-valve tsa tšireletso li koahela mefuta e latelang ea ts'ebeliso
beha khatello, ho tloha bonyane ba 0.2 bar ho fihlela ho 600 bar;
mocheso, ho tloha ho bonyane ba -200°C ho ea ho boholo ba 750°C.
The thepa ea kaho sebelisoa bakeng sa standtlhahiso ea ard ea likarolo ke tse latelang:
tšepe ea tšepe
carbon steel
tšepe e tlaase ea alloy
tšepe e sa hloekang (ferritic, martensitic le austenitic)
Bakeng sa meaho e khethehileng, Besa hangata e sebelisa thepa ea thermoplastic (PFA, PVDF, ETFE, HALAR) le lisebelisoa tse kang Inconel, Hastelloy, Monel, Duplex.
Lisebelisoa tsohle tse sebelisoang li lumellana le European (EN) le Amerika (ASTM) standARDS
Mabapi le boholo ba li-valve tsa polokeho, mefuta e nang le likhokahano tse nang le flanged (EN kapa ANSI) li fumaneha ho tloha ho DN 15 (1/2″) ho ea ho DN 250 (10″); ha mefuta e nang le likhokahano tse khoele li fumaneha ka boholo ho tloha ho 1/4 ″ ho isa ho 2 ″ (cylindrical GAS kapa conical NPT).
Ka kopo, sebakeng sa eona, BESA e fana ka thuso e felletseng ea ho etsa liteko ke mekhatlo e meholo (INAIL - RINA – GL – LR – TUEV – BV – DNV – AB, joalo-joalo).
