XD371X-10 Fire specific signal butterfly valveDetailed product description：

Characteristics of XD371X-10 Fire Special Signal Butterfly Valve

1. The use of a triple eccentric butterfly valve can be considered a top-notch process valve, which makes the valve an ideal hard seal butterfly valve with bubble level sealing for high temperature, high pressure, and fire-resistant applications.
2. Due to the use of welding structure, the valve and pipeline plane achieve permanent zero leakage. 3. This valve has no flange, which brings great convenience and aesthetics to pipelines and insulation wrapping.
XD371X-10 Fire Special Signal Butterfly Valve Main Technical Parameters:

The nominal Tongjing	Nominal pressure	Operating Temperature	Sealing Test	strength test	Applicable Medium
DN 50～400mm	1.0/1.6/2.5MPa	-10℃～-80℃	1.1 times nominal pressure	1.5 times nominal pressure	Water, oil, and gas

XD371X-10 Fire Special Signal Butterfly Valve Main Component Materials:

Serial number	Part Name	Material	Serial number	Part Name	Material
one	valve body	Ductile iron, cast steel	seven	Seal ring	NBR。 EPDM
two	valve stem	SUS410/SUS316	eight	round washer	SUS316/brass
three	butterfly valve disc	Ductile iron spray coating, stainless steel	nine	open-loop	SUS316/brass
four	valve seat	EPDM，PTEE	ten	retaining ring	spring steel
five	bushing	Bronze, polytetrafluoroethylene

Main external connection dimensions of WBSX fire special signal butterfly valve: Unit: mm

DN	fifty	sixty-five	eighty	one hundred	one hundred and twenty-five	one hundred and fifty	two hundred	two hundred and fifty	three hundred	three hundred and fifty	four hundred
H	two hundred and sixty-eight	two hundred and eighty-seven	three hundred and nine	three hundred and forty-two	three hundred and seventy-six	four hundred and ten	four hundred and ninety-five	five hundred and sixty-five	eight hundred and forty-nine	nine hundred and eighty-five	one thousand one hundred and nine
H1	seventy	seventy-six	eighty-six	one hundred and four	one hundred and eighteen	one hundred and thirty-two	one hundred and sixty-seven	one hundred and ninety-eight	two hundred and thirty-nine	two hundred and sixty-seven	three hundred and nine
L1	forty-three	forty-six	forty-six	fifty-two	fifty-six	fifty-six	sixty	sixty-eight	sixty-eight	seventy-eight	one hundred and two
L2	thirty-two	forty-seven	sixty-five	ninety-one	one hundred and twelve	one hundred and forty-six	one hundred and ninety-four	two hundred and forty-two	two hundred and ninety-two	three hundred and twenty-five	three hundred and eighty
L3	two hundred and forty-five	two hundred and forty-five	two hundred and forty-five	two hundred and forty-five	two hundred and forty-five	two hundred and forty-five	four hundred	four hundred	four hundred	four hundred	four hundred and thirty-one
Ф1	one hundred and fifty-two	one hundred and fifty-two	one hundred and fifty-two	one hundred and fifty-two	one hundred and fifty-two	one hundred and fifty-two	three hundred	three hundred	three hundred and five	three hundred and five	two hundred and ninety