Hikelok na-enye 4 usoro bellows akara valves, na-ezute nrụgide dị iche iche, okpomọkụ, usoro ịgba ọsọ, Cv na njedebe njedebe. Hikelok bellows akara valves na-enye akara a pụrụ ịdabere na ya maka ọrụ izugbe na ịdị ọcha dị elu.
Gasket ahụ ruo bellows akara nke BS1 usoro bellows akara valves bụ ọkọlọtọ, na weld akara dịkwa.
Ngwunye elu nke BS2 usoro mgbịrịgba akara valves na-enye sistemu njide nke abụọ n'elu mgbịrịgba, yana hydraulic-mepụtara multilayer bell na-eme ka ndụ okirikiri dịkwuo elu.
BS3 usoro bellows anọkwasị valves nwere actuator-stem njikọ imewe maka ire ụtọ actuation, na ya bonnet akàrà na-enweghị gasket.
BS4 usoro bellows anọkwasị valves nwere welded ahu ka bonnet akara.
A na-anwale valvụ ọ bụla Hikelok na-emechi emechi na helium maka 10s ruo oke ntapu nke 4 × 10.-9std cm3/s.
Hikelokbụ otu n'ime ndị ọkachamara na-emepụta valvụ ngwá ọrụ na akwa akwa na China.Nhọrọ na nnwale siri ike, teknụzụ nhazi ọkwa dị elu, njikwa usoro mmepụta nke ọma na mmepụta ọkachamara na ndị ọrụ nyocha na-eduga ngwaahịa ndị ahụ., na-eke ọtụtụ narị elu-mmavalvụnaakwa akwa. Ọ bụ nhọrọ kacha mma maka ịzụrụ otu nkwụsị, na-echekwa oge na ume.
Mgbe ọtụtụ afọ nke mgbalị gasịrị, Hikelok aghọwo onye na-ebubata ndị ahịa a ma ama dị ka Sinopec, PetroChina, CNOOC, SSGC, Siemens, ABB, Emerson, TYCO, Honeywell, Gazprom, Rosneft na General Electric. Hikelok emeriela otuto otuto sitere n'aka ndị ahịa n'ihinjikwa ọkachamara, teknụzụ tozuru oke na ọrụ ezi obi.