Supervisory Fire Gate Valve
Flanged Supervisory Gate Valve
A flanged-end gate valve with a supervisory switch arrangement for electrical monitoring of open/closed position. The switch signals valve position to a fire alarm or monitoring panel.
Flange drilling, switch specification and marking are confirmed against the approved drawing, sample or order schedule before production.
Technical overview
Confirmed construction and operating data
Critical product data is presented in HTML for clear international sourcing. The valve is type-tested to a national requirement; no foreign approval is claimed on this page.
Series specifications
- Product type
- Flanged Supervisory Gate Valve
- Available sizes
- DN50 / 2 in to DN200 / 8 in
- Connection
- Flanged
- Working pressure
- 1.6 MPa / 16 bar / approx. 232 psi
- Strength test pressure
- 2.4 MPa
- Seal test pressure
- 1.76 MPa
- Body & cover
- Ductile iron QT450-10, red epoxy coating
- Disc
- Ductile iron core, EPDM/NBR encapsulated
- Stem
- 20Cr13 / 304 stainless steel
- Stem nut
- Tin bronze
- Seal
- EPDM or NBR, three O-rings
- Installation
- Bidirectional flow; vertical install with handwheel up; not inverted
Available models
Configurations for quotation
International size and connection are the primary selection fields. ZSXZF4-Q codes are retained only as factory references.
| International configuration | Nominal size | Working pressure | Factory reference |
|---|---|---|---|
| Flanged Supervisory Gate Valve | DN50 / 2 in | 1.6 MPa | ZSXZF4-Q-50-16 |
| Flanged Supervisory Gate Valve | DN65 / 2½ in | 1.6 MPa | ZSXZF4-Q-65-16 |
| Flanged Supervisory Gate Valve | DN80 / 3 in | 1.6 MPa | ZSXZF4-Q-80-16 |
| Flanged Supervisory Gate Valve | DN100 / 4 in | 1.6 MPa | ZSXZF4-Q-100-16 |
| Flanged Supervisory Gate Valve | DN150 / 6 in | 1.6 MPa | ZSXZF4-Q-150-16 |
| Flanged Supervisory Gate Valve | DN200 / 8 in | 1.6 MPa | ZSXZF4-Q-200-16 |
OEM / ODM capability
Configured to the approved drawing or sample
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.
Send your supervisory gate valve schedule
Include size, switch specification, quantity and destination country.
