Fire signal butterfly valve

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Fire signal butterfly valve

Model: XD371X
Nominal pressure: PN1.0 ~ 2.5Mpa
Nominal diameter: DN50 ~ 350mm
Working temperature: -10 ℃ -80 ℃
Suitable medium: water, oil, gas
design criteria: GB / T12238-2008
length of the structure: GB / T12221-2005
Connection standard: JB / T 79.1-1994
Pressure test: GB / T13927-2008

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產(chǎn)品詳細(xì)

[Basic Information]

The special signal butterfly valve for fire protection is a medium-line type butterfly valve developed by introducing advanced foreign technology. The butterfly valve for special fire-fighting signal of BWSX center line has the advantages of simple structure, reliable sealing, light weight, long service life and convenient maintenance. It is widely used in plumbing, building fire and other systems of various pipes, especially in the fire pipeline.

Fire signal butterfly valve main parts:

Serial number	Part Name	Material	Serial number	Part Name	Material
1	Body	Ductile iron, cast steel	7	Sealing ring	NBR.EPDM
2	Valve shaft	SUS410 / SUS316	8	Round spacers	SUS316 / brass
3	Butterfly plate	Ductile iron spray, stainless steel	9	Open ring	SUS316 / brass
4	Seat	EPDM, PTEE	10	Ring	Spring steel
6	bushing	Bronze, Teflon

[The main dimensions and weight] (PN1.0 / 1.6MPa)

DN (mm)	A	B	C	D1	L	n-Φ	K	E	4-Φ1	Φ2	G	Weight WT (kg)
50	140	80	43	125	32	4-19	77	57.15	4-6.7	12.6	100	3.34
65	152	89	46	145	32	4-19	77	57.15	4-.67	12.6	120	3.94
80	159	95	45.21	160	32	8-19	77	57.15	4-.67	12.6	127	4.05
100	178	114	52.07	180	32	8-19	92	69.85	4-10.3	15.77	156	5.48
125	190	127	55.5	210	32	8-19	92	69.85	4-10.3	18.92	190	7.66
150	203	139	55.75	240	32	8-23	92	69.85	4-10.3	18.92	212	8.5
200	238	175	60.58	295	45	8-23	115	88.9	4-14.3	22.1	268	25
250	268	203	68	350	45	12-23	115	88.9	4-14.3	28.45	325	31.4
300	306	242	76.9	400	45	12-23	140	107.95	4-14.3	31.6	403	45.9
350	368	267	76.17	460	45	16-23	140	107.95	4-14.3	31.6	436	54