Valve parameters：
Size:DN400-DN800
Pressure:PN16-PN40
Body Materials:20#
Ball Materials:SS304
Seal Materials:PTFE+25%C
Connection:welded
Drive type: worm gear
Structure type:fixed
Drawings and dimensions:
| DN | L | L1 | H |
| DN400 | 762 | Φ600 | 960 |
| DN450 | 762 | Φ600 | 960 |
| DN500 | 840 | Φ670 | 1050 |
| DN600 | 1067 | Φ808 | 1210 |
| DN700 | 1345 | Φ960 | 1390 |
| DN800 | 1524 | Φ1112 | 1660 |
Application:
City gas: gas output pipes, trunk lines and branch lines;
Heating: large heating equipment output lines, the main line, branch lines;
Heat Exchanger: Pipeline and each circuit open and close;
Steel plants: various fluid pipes, exhaust gas pipelines, gas and heat supply pipelines, fuel supply pipelines;
Industrial equipment: all kinds of heat treatment pipes, all kinds of industrial gas and heat pipe.
