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CN | EN

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-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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