Supervisory Fire Butterfly Valve

Wafer Supervisory 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.

DN100–DN2004–8 inWaferPN16 / 1.6 MPaSupervisory switch

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Switch specification, 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 UL, FM or other foreign approval is claimed on this page.

Series specifications

Product type: Wafer Supervisory Butterfly Valve
Available sizes: DN100 / 4 in to DN200 / 8 in
Connection: Wafer (sandwiched between two flanges)
Working pressure: PN16 / 1.6 MPa / 16 bar
Body: Ductile iron QT450-10, internal and external epoxy coating
Disc: Ductile iron
Stem: Stainless steel
Seat: EPDM
Medium: Water or water-foam mixture
Working temperature: 0 to 80 °C
Standard: GB 5135.6-2018 (national fire butterfly valve standard); wafer compatibility to GB/T 17241.6
Operation: Gear operator with handwheel and position indicator

Available models

Configurations for quotation

International size and connection are the primary selection fields. ZSXDF7-Q codes are retained only as factory references.

International configuration	Nominal size	Working pressure	Factory reference
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

The confirmed type-test report covers DN100, DN150 and DN200. Other sizes are confirmed separately. For quotation, specify DN size, flange drilling requirement, switch specification and quantity.

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.

Flange compatibilityWafer face-to-face dimension produced to the approved drawing or mating flange standard.

Switch configurationMicro-switch make, contact form and enclosure reviewed before manufacturing.

Brand presentationCustom nameplate, logo and coating color.

Export packingCarton or wooden-case packing prepared according to the order.

Send your supervisory butterfly valve schedule

Include size, switch specification, quantity and destination country.

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