SwingCheckValveSuppliers
GZP Pressure seal swing check valves are manufactured to the latest edition of API 600/ASME B 16.34 and tested to API 598.All valves from GZP VALVE are strictly 100%tested before shipment to guarantee zero leakage.
Why we choose forged material?
When compared with castings, forged valve bodies offer the advantages of more uniform structure, greater density, higher strength integrity, enhanced dimensional characteristics and closer dimensional tolerances
Application fields:
*Thermal & Cogeneration Power Plant
*Chemical , Petrochemical & Other Process Applications
* Nuclear Power Plant
General Features of the pressure seal swing check valve
It provide efficient protection of equipment against backflow.
The valves feature a unique compact cage unit design comprised of all moving parts easily accessible for service. The light-weight pressure seal cover remains tight regardless of pressure-temperature fluctuation.
* Advanced pressure seal design
* Compact cage unit
* Forged seat and Stellited disc.
* Easy in-line service (All parts are easily accessible for maintenance.
* Forged body and bonnet
Technical Data
Design StandardAPI6D, BS1868, DIN3356,EN10739
Body MaterialForged Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc.
Pressures rangeANSI 800 ~ANSI 2500 ,PN120~PN420
Size rangeDN50(2") ~DN600 (24")
Face to FaceANSI B16.10,EN 558,DIN3202
Flanged RF, FF, RTJ EndsASME B16.5 鈮?DN600 (24")
BS 4504,DIN 2543-2545,EN1092
Butt-Weld BW EndsASME B16.25 ,DIN 3239,BS 2080, EN 12627
Temperature range-29掳~ 425掳C
Design Feature
ConstructionSwing type,
Disc TypeSingle plate
Seat SealingIntegral body seat ,seat welded and overlaid
Fire Safe DesignAPI 607,BS 6755
Inspection & Test
Visual InspectionMSS SP-55
Material InspectionPMI Test----Chemical Analysis
HB Test---Hardness Test
UT---Ultrasonic Test
RT---RadiographicTest
MT---Magnetic Test
NDT Test Non-destructive
Dimention inspcetionAccording to drawings
Valve Inspection and TestAPI 598,DIN 3230,EN 12266,BS 5146SwingCheckValveSuppliers
website:http://www.highmpa-valve.com/check-valve/swing-check-valve/