Technical data
Design
API609,BS5155,ASME B 16.34,DIN3354,
Face to Face
ASME B16.10,EN 558,DIN 3202
Pressures range
ANSI 150 ~ANSI 2500 ,PN6~PN420
Size range
DN50(2″) ~DN2500 (96″)
Body Material
Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc.
NACE MR-01-75/NACE MR-01-03 Special Requirements
Face to Face
ASME B 16.10,EN 558,DIN3202
Fange,Wafer,Lug Ends
ASME B16.5 ≤ DN600 (24″) ASME B16.47 A ≥ DN650 (26″)
BS 4504,DIN 2543-2545,EN1092
Butt-Weld BW Ends
ASME B16.25 ,DIN 3239,BS 2080, EN 12627
Temperature range
-29°~ 425°C
Design Feature
Construction
Centric/Center line type ,Double offset type,triple offset type
Disc Type
Round Disc
Seat Sealing
Metal seat ,soft seat ,double sealing performance.
Valve Operation
Gear,pneumatic,Hydraulic,Electric actuators.
By passes,locking devices,extended stem,etc
Fire Safe Design
API 607, API6FA ,BS6755
Inspection and Test
Visual Inspection
MSS SP55
Material Inspection
PMI Test—-Chemical Analysis
HB Test—Hardness Test
UT—Ultrasonic Test
RT—Radio-graphic Test
MT—Magnetic Test
NDT Test Non-destructive
Dimension inspection
According to drawings
Valve Inspection and Test
API 598,DIN 3230,EN 12266,BS 5146
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