Hoʻopau i ka hopena: ASME B16. 10, EN558, API609.
Manoukian: ASME B16. 5, ASME B16. 47, EN1092.
Hiʻona Hoʻolālā: ʻEkolu offset, Flange, Wafer Butt weld & Lug type, Multilayer sealing apo, hana maʻalahi, hana wikiwiki, Ke kū'ē kahe liʻiliʻi.
Material: ʻO ka hao hao, haʻahaʻa haʻahaʻa. Ke kila kalapona, Ke kila Chromium-molybdenum, Austenitic kila kila, nickel base alloy material, Al-Br& Nā mea kila e like me ka makemake o ka mea kūʻai aku.
'Ahana: Lever, Gearbox, Pneumatic, Electric, Oil over gas, Counter weight.
Kūlana hoʻāʻo a me ka nānā ʻana: API 598, API 607.