Structure composition and features：

Part Name	Material name
Valve body	iron ball
Valve shaft	SUS410/SUS316
Butterfly	Ductile iron plating, stainless steel
Valve seat	EPDM、 PTEE
Seat back	Phenolic Resin
bushing	Bronze, Teflon
Sealing ring	NBR、EPDM
Round gasket	SUS316 brass
Split ring	SUS316 brass
Retaining ring	Spring steel
Nominal diameter	50-250mm
Nominal pressure	1.6MPa
test pressure	strength：2.4MPa seal： 1.76MPa
Proper temperature	100 P
Signal supply voltage (AC and DC unlimited)	2.4 V
Signal intersection Working current	1.0 A

Main connection size
DN	A	B	C	D1	d2	D3	D4	E	F	G	H	I	K	L	ø	a°	Weight (KG)
50	80	161	42	52.9	120	23	100	150	60	103	75	41	35	65	150	45	8
65	89	175	44.7	64.5	136.2	26.5	120	150	60	103	75	41	35	47.6	150	45	8.7
80	95	181	45.2	78.8	160	18	127	150	60	103	75	41	35	49	150	22.5	9.1
100	114	200	52.1	104	185	24.5	156	150	60	103	75	41	35	54.7	150	22.5	10.4
125	127	213	54.4	123.3	215	23	190	150	60	103	75	41	35	58	150	22.5	12.5
150	139	226	55.8	155.6	238	25	212	150	60	103	75	41	35	58.6	150	22.5	13.3
200	175	260	60.6	202.5	295	25/23	268	150	60	127	85	63	40	63.4	200	22.5/15	22.2
250	203	292	65.6	250.5	357	29	325	150	60	127	85	63	40	70	200	15	28.2

Characteristic:

The utility model has the advantages of simple structure, reliable sealing, light opening, long service life, convenient maintenance, etc.

Application:

It is widely used in water supply and drainage, building fire protection and other systems, especially in the fire pipeline.

The signal valve can clearly show the valve switch state, with intuitive, clear and reliable reflection of the working state in the fire protection system, so it is widely and widely used in the fire protection system.

Price：Our price fluctuates with raw materials and exchange rate.Please leave your contact information and give you a new quotation as soon as possible.

Packing: wooden case, wooden pallet or packing method specified by customers.

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Fire Signal Butterfly Valve