Worm gear fire signal wafer butterfly valve

Technical Parameters

Product model: D371X

Nominal diameter: DN50~DN1000 (2"~40")

Nominal pressure: PN16

Working temperature: 0℃~85℃

Applicable medium: mixed with water and foam

Product Details

Product description

Worm gear fire fighting wafer butterfly valve is an important component of automatic sprinkler system. The worm gear drives the shaft and the butterfly plate to rotate to realize the opening and closing and control the flow. By rotating the hand wheel of the worm gear transmission device, the butterfly plate is opened and closed and the purpose of adjusting the flow rate is achieved. The hand wheel rotates clockwise to close the valve. There is a micro switch in the box of the transmission device, which can output the closing and opening signals of the valve and display the different positions of the butterfly plate.

Product size chart

Main external connection size

Model	DN	ΦA(chǔ)-ΦC	L	H1	H2	ΦD
ZSDF 7-Q-50-D371X	50	110-16 125-16	42	182	70	145
ZSDF 7-Q-65-D371X	65	145-18	44	187	75	145
ZSDF 7-Q-80-D371X	80	160-18	46	196	90	145
ZSDF 7-Q-100-D371X	100	180-20	52	211	105	145
ZSDF 7-Q-125-D371X	125	210-24	54	224	115	145
ZSDF 7-Q-150-D371X	150	240-25	55	238	131	145
ZSDF 7-Q-200-D371X	200	393-23 305-23	60	271	175	280
ZSDF 7-Q-250-D371X	250	355-25	64	313	200	280
ZSDF 7-Q-300-D371X	300	410-29	77	377	293	280

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