Fire Protection Butterfly Valve
Lever-Operated Grooved Butterfly Valve
A manual lever-operated butterfly valve with grooved ends for quick installation on grooved fire protection piping. A visible lever with a position-locking plate provides simple open/close control.
Groove profile, face-to-face dimension 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 produced to a national standard; no foreign approval is claimed on this page.
Series specifications
- Product type
- Lever-Operated Grooved Butterfly Valve
- Available sizes
- DN50 / 2 in to DN200 / 8 in
- Connection
- Grooved
- Working pressure
- PN16 / 1.6 MPa / 16 bar
- Body & disc
- Ductile iron QT450-10
- Seat
- EPDM
- Stem
- Stainless steel
- Lever & position plate
- Carbon steel lever; galvanized 45# steel locking plate
- Medium
- Water
- Working temperature
- -10 to 80 °C
- Standard
- GB 5135.6-2018 (national fire butterfly valve standard); groove connection to GB 5135.11
- Installation
- Grooved couplings on horizontal or vertical fire-water piping
Available models
Configurations for quotation
International size and connection are the primary selection fields. ZSDF8-Q codes are retained only as factory references.
| International configuration | Nominal size | Working pressure | Factory reference |
|---|---|---|---|
| Lever-Operated Grooved Butterfly Valve | DN50 / 2 in | PN16 | ZSDF8-Q-50-16-S |
| Lever-Operated Grooved Butterfly Valve | DN65 / 2½ in | PN16 | ZSDF8-Q-65-16-S |
| Lever-Operated Grooved Butterfly Valve | DN80 / 3 in | PN16 | ZSDF8-Q-80-16-S |
| Lever-Operated Grooved Butterfly Valve | DN100 / 4 in | PN16 | ZSDF8-Q-100-16-S |
| Lever-Operated Grooved Butterfly Valve | DN125 / 5 in | PN16 | ZSDF8-Q-125-16-S |
| Lever-Operated Grooved Butterfly Valve | DN150 / 6 in | PN16 | ZSDF8-Q-150-16-S |
| Lever-Operated Grooved Butterfly Valve | DN200 / 8 in | PN16 | ZSDF8-Q-200-16-S |
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 butterfly valve schedule
Include size, groove profile requirement, quantity and destination country.
