Dry-Pipe Sprinkler System Equipment
A differential-type water control valve for dry-pipe sprinkler systems in unheated or freezing environments. The downstream piping is kept charged with air or nitrogen instead of water; when a sprinkler opens and the system air pressure drops, the valve opens and floods the piping with water.
Flange drilling, system air-supply pressure and trim arrangement are confirmed against the approved drawing, sample or order schedule before production.
Technical overview
Critical product data is presented in HTML for clear international sourcing. No foreign approval is claimed on this page.
Complete supply scope
The standard complete assembly includes the items below. Customer-specified accessory makes or trim arrangements can be reviewed before quotation.
Available models
Select the DN size and flanged connection. Use the ZSFC model reference to identify the configuration; assembly height depends on the selected trim.
| International configuration | Nominal size | Maximum pressure | Reference height | Model |
|---|---|---|---|---|
| Flanged Dry Pipe Alarm Valve | DN100 / 4 in | 1.6 MPa | 375 mm | ZSFC100 |
| Flanged Dry Pipe Alarm Valve | DN150 / 6 in | 1.6 MPa | 455 mm | ZSFC150 |
| Flanged Dry Pipe Alarm Valve | DN200 / 8 in | 1.6 MPa | 610 mm | ZSFC200 |
Compare the construction and visible markings. Open a photograph to enlarge it; confirm the required configuration with the quotation.
Compare the specifications for each named configuration below. Values apply only to the configuration shown.
Material specification for the documented ZSFC configuration. Pressure and report coverage remain specific to each model.
OEM / ODM capability
Manufacturing and assembly options are confirmed against the buyer's technical schedule. Connection-standard names describe available machining patterns and do not imply third-party product approval.
Start with size and quantity. Add system air-supply pressure, flange dimensions, trim requirements and destination when available.
