Supervisory Fire Butterfly Valve
A wafer butterfly valve with a gear operator and supervisory switch enclosure, used where open/closed position must be electrically monitored. The switch signals the valve position to a fire alarm or monitoring panel.
Switch specification, face-to-face dimension and marking 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 UL, FM or other foreign approval is claimed on this page.
Available models
International size and connection are the primary selection fields. ZSXDF7-Q codes are retained only as factory references.
| International configuration | Nominal size | Working pressure | Model |
|---|---|---|---|
| Wafer Supervisory Butterfly Valve | DN100 / 4 in | PN16 | ZSXDF7-Q-100-16 |
| Wafer Supervisory Butterfly Valve | DN150 / 6 in | PN16 | ZSXDF7-Q-150-16 |
| Wafer Supervisory Butterfly Valve | DN200 / 8 in | PN16 | ZSXDF7-Q-200-16 |
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.
Applies to ZSXDF7-Q wafer supervisory valves. Select size and signal requirements separately; the photograph is not proof of every size.
Confirm the mating connection from the required drawing or sample before ordering.
OEM / ODM capability
Manufacturing options are confirmed against the buyer's technical schedule. Connection-standard names describe available machining patterns and do not imply third-party product approval.
Include size, switch specification, quantity and destination country.
