Flange Swing Type Disc Check Valve Class1500-Class2500
Pressure Sealed Check Valve Class900-Class2500
Forged Steel Swing Check Valve Class150-Class800
Forged Steel Lifting Check Valve Class150-Class800
Butterfly Swing Check Valve Class150-Class300
Feature
Cast steeI swing check valve design is in accordance with the API 600,
BS 1868 and the ASME B16.34 standards.
Face-to-Face dimension:ASME B16.10,BS 2080 and ISO 5752.
Flanged End ASME B16.5,26"and larger sizes according to ASME B16.47
Series A or Series B.
Butt-weld End:ASME B16.25.
Shell WalI Thickness:BS 1868.
Inspection and Test:APl 598,BS EN 12266,ISO 5208
Casting Steel Material
V i s u a l c h e c k f o r c a s t s t e e l m a t e r i a l i n c l u d e s : s u r f a c e
quality,dimension,chemical properties,mechanical performance,non
destructive testing to ensure that the comprehensive performance of raw
materials comply with the relevant ASTM,BS,EN,JIS standards.
Body
The design provides the whole structure of low flow resistance channel
structure,enables the body stiffness and strength to bear the nominal
piping pressure and stress loading,the valve body wall thickness design
complies with the API 600 with sufficient margin corrosion resistance for the
medium.
Bonnet
Bonnet can be designed with a variety of seal structure of body connection to meet
the needs of different operating conditions,the structure can be equipped to connect
with jacketed,flat,spiral wound or metal ring gasket,or pressure-seal valve bonnet for
calss900/1500/2500.