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Resilient seat wafer lug butterfly valve

Butterfly valve is a valve that used disc-type butterfly plate reciprocates by 90 °to open,close or throttle the flow of media

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Butterfly valve

型号:

1051802520847736832

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Product details

Introduction video of Butterfly Valve :

Butterfly valve is a valve that used disc-type butterfly plate reciprocates by 90 °to open,close or throttle the flow of media

GZP butterfly valves are manufactured and modified to the latest edition of API609,BS5155,ASME B 16.34 .And passed the fire resistance inspection standards of API 607, API6FA and BS6755.All valves from GZP valves are strictly 100% tested before shipment to guarantee zero leakage.

The range of GZP butterfly valve design is as follows:
1.Size : 2” ~ 96”   DN 50 ~DN 2400
2.Pressure : 150lb ~2500lb   PN6~PN420
3.Material : carbon steel , stainless steel ,etc and other special material.
           Especially in NACE standard 
4.Connection ends: ASME B 16.5 in raised face (RF),Flat face (FF) , Ring Type(RTJ) ,wafer and lug.
                  ASME B 16.25 in butt welding ends
5.Face to face dimensions :ASME B 16.10
6.Temperature : -29℃ to 425 ℃

GZP valves can be equipped with gear operator, pneumatic actuators, Hydraulic actuators, Electric actuators,bypasses,locking devices,chainwheels,extended stems and many others are available to meet the customers’ requirements.

Technical data
DesignAPI609,BS5155,ASME B 16.34,DIN3354,
Face to FaceASME B16.10,EN 558,DIN 3202
Pressures rangeANSI 150 ~ANSI 2500 ,PN6~PN420
Size rangeDN50(2") ~DN2500 (96")
Body MaterialCarbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc.
NACE MR-01-75/NACE MR-01-03 Special Requirements
Face to FaceASME B 16.10,EN 558,DIN3202
Fange,Wafer,Lug EndsASME B16.5 ≤ DN600 (24") ASME B16.47 A ≥ DN650 (26")
BS 4504,DIN 2543-2545,EN1092
Butt-Weld BW EndsASME B16.25 ,DIN 3239,BS 2080, EN 12627
Temperature range-29°~ 425°C
 
Design Feature
ConstructionCentric/Center line type ,Double offset type,triple offset type
Disc TypeRound Disc
Seat SealingMetal seat ,soft seat ,double sealing performance.
Valve OperationGear,pneumatic,Hydraulic,Electric actuators.
By passes,locking devices,extended stem,etc
Fire Safe DesignAPI 607, API6FA ,BS6755

Inspection and Test

 

Visual InspectionMSS SP55
Material InspectionPMI Test----Chemical Analysis
HB Test---Hardness Test
UT---Ultrasonic Test
RT---Radio-graphic Test
MT---Magnetic Test
NDT Test Non-destructive
Dimension inspectionAccording to drawings
Valve Inspection and TestAPI 598,DIN 3230,EN 12266,BS 5146

 

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