Amụma anyị maka valvụ nchekwa
Safety Relief mgbali Nchekwa nchekwa Mbelata nrụgide Security Obere nrụgide Nchekwa Ịtali valves
taa, BESA bụ ebe a na-ekwu maka ọ bụghị naanị maka mmepụta na mmepe nke ngwaahịa ọdịnala ya, kamakwa maka ọrụ (site na ọrụ nhazi nhazi nke ọ na-enye) na ịzụ ahịa nke ngwaahịa ọhụrụ nwere ike imeju ọtụtụ mkpa.
Anyị na-emepụta ma rụpụta valvụ nchekwa kwesịrị ekwesị maka mwepụta nke gas, vapors na mmiri mmiri.
BESA A haziri, rụpụta ma họrọ valvụ nchekwa dịka ntuziaka European 2014/68/EU (EU).PEDna 2014/34/EU (ATEX), API standards 520 526 527 na ụkpụrụ ụgbọ mmiri nke RINA, Bureau Veritas na Det Norske Veritas.
BESA valvụ nchekwa na-ekpuchi usoro ngwa ndị a
setịpụrụ nrụgide, site na opekempe 0.2 bar ruo kacha nke 600 bar;
okpomọkụ, site na opekempe nke -200°C ruo na kacha nke 750°C.
The ihe ihe owuwu eji eme ihe standard mmepụta nke components bụ ndị a:
nkedo ígwè
carbon ígwè
obere alloy ígwè
igwe anaghị agba nchara (ferritic, martensitic na austenitic)
Maka ihe owuwu pụrụ iche, Besa na-ejikarị ihe thermoplastic eme ihe (PFA, PVDF, ETFE, HALAR) na alloys dị ka Inconel, Hastelloy, Monel, Duplex.
Ihe niile eji eme ihe kwekọrọ na European (EN) na American (ASTM) ugbu a standARDS
N'ihe gbasara akụkụ nke valves nchekwa, ụdị nwere njikọ flanged (EN ma ọ bụ ANSI) dị site na DN 15 (1/2 ″) ruo DN 250 (10 ″); ebe ụdị nwere njikọ eriri dị na nha site na 1/4 ″ ruo 2″ (GAS cylindrical ma ọ bụ conical NPT).
Na arịrịọ, n'ime ụlọ nke ya, BESA na-enye aka zuru oke n'ịme ule site n'aka ndị isi (INAIL - RINA - GL - LR - TUEV - BV - DNV - AB, wdg).
