Detailed Product Description of Carbon Steel Top Entry Ball Valve
Size:1"~48"
Class 150 ~Class2500
Material : A216 WCB ,SST304 ,CF8M
Strucural Characteristics :
Top entry ball valve are new products developen upon the advanced technology abroad and throgh many years of the designing and manufacturing experience of ours. with technology up to domestic leading level , these products can compete with international counterparts. Besidesthe features borne by the side installed fixed ball valve .
- One piece valve body, top installed trunnion to fix and support, flanged or butt welded structure
- Inconel bellows spring makes the sealed metal seat moving toward the ball, providing the two way seal function of inlet and outlet.
- Distinctive technology of retractable valve seat, inline replace ability of ball arm, valve stem sealing ring, metal seat and bellows spring, and torque down to the minimum for the ease of operation.
- Ease of repair and installation, long performance life. Access for repair and replace ment of trims may be done with no need to remove the valve from the pipeline, thus to lengthen the service life
- Low torque, reliable sealing, and spherical seat different from ordinary ball valves, which can automatically adjust the position of seal.
- preset platform and bolt holes for drive device, and to ISO5211.Drive device can be installed according to user's different requirements.
- DBB (double block and bleed ) Function.
- Hand operated top entry valve adopts high strength one piece ball arm structure to ensure the precise positionof the ball.
- Anti-blow out protective structure of valve stem to enhance the operational safety of the valve .
Performance Specification :
- Size: 1"~48"
- Class 150 ~Class2500
- Material: A216 WCB, A352 LCC, A351CF8M, A182 F316
- Ball: A105 +ENP
- Sealing ring: PTFE, NYLON
- O-Ring: VITON
- Packing: Flexible graphite +SS
- Temperature: --196~550 degree celsius
- Medium: Water,Steam,Petroleum, LPG and natural gas
- Operation: Manual, Worm Gear, Electric and pneumatic