11″ 5K Shaffer Тип SB type Annular Bop

1. APPLICATION

Annular Bop must be used with hydraulic control system ．It is usually with ram type ПВО ，but it can also be used independently. It can be used for following operations：It can seal on almost any shape of size-Келли ，drill pipe, tool joints, drill collars,
casing or wireline .
-When there is no drilling tool in hole, it can completely shut off the hole .
-With an accumulator ，forced tripping with 8 ° / 35 ° welded tool joints is allowed.

2. TECHNICAL PARAMETER

2.1. Кольцевой превентор model indication

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Rated working pressure （MPa） Bore size code
Product code

Product code ：FH—Spherical Уплотнение Element Кольцевой превентор
FHZ—Tapered Уплотнение Element Кольцевой превентор

1. Rated working pressure: four grades, see the following list
List 1 Rated working pressure grade

14MPa（2,000psi）， 21MPa(3,000psi)
35MPa(5,000psi) 70MPa(10,000psi)

11”-5000psi Кольцевой превентор

2. Bore size code sees the following list

List 2 Bore size

Bore size : 11″

3. Температура grades of metal material：

List 3 Температура grades of metal material

Температура grade code Code of API Working temperature scope
T75 75 -59~ 121℃(-75~250 ºF)
T20 20 -29~ 121℃(-20~250 ºF)
T0 00 -18~ 121℃(0~250 ºF)

2.2. Technical parameter of annular ПВО

List 4: Technical parameter for Кольцевой превентор