Shanghai Nainai Valve Manufactrue Co.,Ltd.
   
              Home                 About Us                Products            News&Event                Order               Certificates               Service              Contact Us  
  ISO9001:2000 Certified Quality Management Syesem Click to see our product presentation
 
Ball valve
Gate Valve
Check Valve
Globe Valve
Plug Valve
Butterfly Valve
Safety Valve
Strainer
Forged Steel Valve
Flanges & Pipe
Bellow Valve
   Tele: +86-21-66876198
              +86-21-56879782
   Sales:+86-21-56874084
                +86-21-56871325
   Service:+86-21-56878077
                   +86-21-56873724
   Fax: +86-021-56878087
   Email:nainai@nainaivalve.com
   Add:No.87 Luojing Feiyun Road
   Baoshan District Shanghai
  PRODUCT  
Ball valve
High pressure forged ball valve
Application
High pressure forged ball valves are suitable for use on pipelines of Class 600 ~ Class 1500, PN 160 ~ PN 320, being used for cutting off or switching on pipelines medium, of which operation manners are of manual in general, and worm gear and pneumatic or electric actuators are available, connections are of socket welding and female threaded ends.
Wafer type jacketed ball valve
Temperature protection wafer type jacketed ball valve is a patented product developed by NAINAI company, of which the patent No. is ZL 93 2 04249.1. This design features impact in structure, light in weight, convenient in assembly, and easy for close and open, being suitable for use on various kinds of pipelines of Class 150, PN10~PN25, JIS 10K to cut off or turn on the medium in pipelines. Generally, the operation manners of temperature protection wafer type jacketed ball valve are of manual and worm gear, and pneumatic or electric acturtors as well.
Flanged ends jacketed ball valve
According to working condition and customers' requirement, a couple of sealing materials for flanged ends jacketed ball valves may be adopted, such as reinforced PTFE, PPL or other hardened metal. Operation manners are of manual, worm gear, and pneumatic or electric actuators. Design pressure of the jacket is generally 1.0 MPa. As per customers' requirement, special design is available. In general, temperature protection jacketed ball valve is employing big sized flanges for connection ends, to which attention should be drawn when ordering.
Wafer type ball valve
Wafer type ball valve is a patented product developed by NAINAI company, of which the patent No. is ZL 93 2 01428.3. This design is impact in structure, light in weight, convenient in assembly, and easy for open and close. Generally, operation manner of the valve is of manual and worm gear, and pneumatic or electric actuators as well. Wafer type ball valve is suitable for use on pipelines of Class 150, PN 25, JIS 10K to cut off or turn on the medium in pipelines.
Female threaded ball valve
Application
Female threaded ball valves are suitable for use on pipelines of medium or low pressure to turn off or swith on pipeline medium. Operation manners are in general of manual, and pneumatic or electric actuators are available.Based on design structures, the valves get divided into three pieces, two pieces, and one piece types.
 
[ Total 21 record ]  3pages    Previous [1] [2] [3]
Home      |     About Us    |    Products    |    News&event     |     Certificates    |     Workshop     |     Equipments    |     Order      |      Download     |     Service    |     Contact Us
Copyright @ 2005 Shanghai Nainai Valve Manufactrue Co.,Ltd.    ADD: No.87 Luojing Feiyun Road Baoshan District Shanghai City
Telephone: +86-021-66876198 / 56879782   Sales Tel: +86-021-56874084 / 56871325   Email:nainai@nainaivalve.com
Service Tel: +86-021-56878077 / 56873724      Fax: +86-021-56878087 
沪ICP备05060627号

沪公网安备 31011302002698号