CHAODA valves group is specialized in manufacturing API Cast Steel Swing Check Valve with following good characteristics: good sealing performance, reliable safety guarantee, long life span and etc.

A spherical connection is adopted for the connection of Hinge and Dsic which enables disc's little position compensation; Internal-installed hinge and all other internal component are within body without any penetrated holes ensures there is no potential external leaking point except for the bonnet flange; 13Cr Or Hard alloy Stellite 6 is deposited onto the sealing face to ensure the valve with wear-corrosion features serving medium with small solid particles.

Type: H44H,H44Y,H44W 
Bore: NPS2~NPS30,DN50~DN750
Rating: Class150~Class2500,PN20~PN420
Material: Carbon Steel,Stainless Steel,Alloy Steel,Duplex Stainless Steel
Operation: Manual,Gear Operated,Electric Operated,Pneumatic Operated
Applicable: Oil,Chemical,Natural Gas,Petrochemical,Coal Chemical and so on

CHAODA VALVES GROUP CO.,LTD.
 TEL:0086-577-57757282
 FAX:0086-577-57757273
 

API Cast Steel Swing Check valves(Generally flanged connection, but Butt-welding optional) are suitable for using on various kinds of pipeline from Class150 To Class2500, PN20 To PN420 to cut off or connect the flowing of medium. By using different material, the API Cast Steel Swing Check Valve could be suitable for medium such as water, steam, oil, nitric acid, acetic acid, oxidizing substance, carbamide and etc. 

Swing Steel Check Valve is mainly used for preventing the backflow of medium, the reversal of pump & its motor and the discharging of container, being an automatic valve opened and closed itself by the flowing medium.