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Baker Hughes
© 2023 Baker Hughes Company. All rights reserved.
1. General
1.1 Scope
The following instructions are designed to guide the user
through the installation and maintenance of the 41005 API
6A Series valves for all sizes and for high working pressures
(ie 10K PSI and 15K PSI).
For 41005 API 6A Valve Series, Baker Hughes has
developed special options which is the subject of this section
in the instruction manual. In this case, the instructions given
in this section will always take precedence over the general
instructions found in the preceding sections.
1.2 Serial Plate
The serial plate is usually fixed to the side of the actuator
yoke. It indicates, amongst other things, the type of valve,
the working pressure, the material class, temperature class,
Product Specification Level, Performance Requirement used
for the pressurized chamber and the air supply pressure of
the actuator.
There are two serial plates, one for the valve body sub
assembly and one for the actuator sub assembly.
1.3 After Sales Service
Baker Hughes offers it clientele an After Sales Service
comprising highly qualified technicians, for the operation,
maintenance and repair of its equipment. To benefit from this
service, contact our local representative or the After Sales
Service whose email address is given at the end of this
document.
1.4 Spare Sparts
When carrying out maintenance operations, only
manufacturer’s replacement parts must be used, obtained
through our local representatives or our Spare Parts Service.
When ordering spare parts, the model and serial numbers
indicated on the manufacturer’s serial plate must be given.
The recommended spare parts are indicated in the parts list
included in this Appendix in table 11.
1.5 Actuator and Other Accessories
The valve is equipped with an actuator; like all the other
valve accessories, actuators are the subject of special
instructions which provide information on the electric and
pneumatic connections. The instruction manuals to be used
for standard actuators are 31188 for 51/52/53 Pneumatic
piston actuators, and 19530 for types 87/88.
1.6 Warranty
Refer to General terms beginning on page 6 of the
Manual.
41005 API 6A should be closed for a short period only.
There is a risk of damage for trim parts for long period
of closing.
41005 API 6A valves are designed as control valves, not
as isolating valves.
If 41005 are used as isolating valve, internal parts
damage will not be covered by warranty.
Appendix A
41005 API-6A Series High Pressure Valves
2nd
3rd
3
4th
5th
5
2nd
1
1st
4
Actuator Type
Multispring
87 - Air to Close
88 - Air to Open
Cylinder
51 - Double Acting
52 - Open
53 - Close
Body
Series
41 -
Cage
Guided,
Balanced
Globe
Seal
Type
3 - Pressure
Energized
Polymeric
Trim Type /
Characteristic
0 - Undefined
1 - Leanear Ported
Cage
3 - Lo-dB/Anti-Cav
Single Stage Linear
5 - Lo-dB Double
Stage Linear
(1)
Design
Series
5
1st
41005 API 6A Numbering System
(1) Lo-dB Double stage option is not available for 10’’ API 6A valves.
Содержание Masoneilan 41005 Series
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