API Large Size Butt Welded Ball Valve
Design Features:
Nominal Size Range: NPS 1/2” ~ 14”
Pressure Rating: Class 150LB - 2500LB
Connection: Butt Welded (BW), Socket Welded (SW)
Design Specifications:
DesignAPI 6D
Pressure-temperature rating: ASME B16.34
Face-to-face dimensions for butt weld and flanged valves: ASME
B16.10
Flange design: ASME B16.5
Butt welding design: ASME B16.25
All valves are designed to comply with the requirements of ASME
B16.34, and the ASME as well as customers' requirements as
applicable.
Actuators:
Gear, Electric, Cylinder, Pneumatic, Hydraulic, Lever, Chain wheels
Body Material:
A216-WCB (Carbon Steel), A217-WC6 (1-1/4Cr-1/2Mo), A217-WC9
(2-14Cr1Mo), A217-C5 (5Cr12Mo), A217-C12 (9Cr1Mo), A352-LCB (Carbon
Steel), A352-LCC (Carbon Steel), A351-CF8M (18Cr9Ni2Mo), A351-CF3M
(18Cr9Ni2Mo)
Quality Assurance (QA):
Every step from procurement through production, welding, assembly,
testing, and packaging is in accordance with quality programs and
procedures (ASME Section III manual and ISO 9001 manual).
Quality Control (QC):
The QC is responsible for all aspects of quality, from receiving of
material to control of machining, welding, nondestructive
examination, assembly, pressure testing, cleaning, painting, and
packaging.
Pressure Testing:
Each valve is pressure tested in accordance with API 6D, API 598,
or special customers' requirements as applicable.