API 16A standard well control system high quality FH FHZ series annular BOP for oilfield
Used in conjunction with hydraulic control system, the annular BOP seals off the annulus of different sizes when pipes are in use in the hole. An annular BOP can also seal off the annular space which is formed by Kelly, coring tool, cables, wire rope etc. and wellbore when no pipe is in it. When used in conjunction with the pressure-regulating valve and accumulator, the annular BOP allows snubbing service.
High-grade ram rubber core and side flange sealing can meet the extreme circumstances, such ashighand low temperature or acidic conditions.
The housing of BOP is made of low alloy steel forgings or castings. Chemical composition, mechanical properties and forming process conform to therequirements of standards.
Connection types:The BOP are offered with studded, flanged and hubbed top and bottom connections. The sizes of flanges, bolts, clamps and ring grooves all conform to API 16A and GOST standards.
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