Structure model and specification of fire-fighting ball valve
Structure
According to its sphere of the fire valve sealing form is divided into:
A. one-way seal,
B. two-way seal.
Fire ball valve and pipe according to its form is divided into:
A. two end flange,
B. two end thread,
C. end flange, end thread.
Specifications
Fire ball valve specifications shall conform to the provisions of the contract, the special specification can be made according to the requirement.
| nominal diameter mm | nominal pressure，MPa | |||
| 1.0 | 1.6 | 2.5 | 4.0 | |
| 25 | Δ | Δ | Δ | Δ |
| 32 | Δ | Δ | Δ | Δ |
| 40 | Δ | Δ | Δ | Δ |
| 50 | Δ | Δ | Δ | Δ |
| 65 | Δ | Δ | Δ | - |
| 80 | Δ | Δ | Δ | - |
| 100 | Δ | Δ | - | - |
| 125 | Δ | - | - | - |
| 150 | Δ | - | - | - |
Note：Δindicate it is with data.
－indicate without specification.
