Y43H Steam pressure reducing valve

Y43H Steam pressure reducing valve Product introduction

　Y43H Steam pressure reducing valve belongs to pilot piston type pressure reducing valve.Y43H Steam pressure reducing valve is composed of main valve and pilot valve.Main valve is composed of valve seat, valve plate, piston, cylinder sleeve, spring components.The guide valve mainly consists of seat, disc, diaphragm, spring, adjusting spring and other parts.The outlet pressure of Y43H steam pressure reducing valve is set by adjusting the spring ,which is transfer the outlet pressure changes according to the diaphragm sensor, and the piston is driven through the opening and closing of the guide valve to adjust the flow area of the main valve throttling position, so as to realize the pressure reducing and pressure stabilizing function.Y43H pilot steam pressure reducing valve is mainly used for steam pipeline, super decompression and pressure stabilization.

Y43H Steam pressure reducing valve is applicable to urban construction, chemical industry, metallurgy, petroleum, pharmaceutical, food, beverage, environmental protection and other industries.

Y43H Steam pressure reducing valve material

Part Name	Part Material
Body/Bonnet/End bonnet	WCB/CF8/CF8M
Seat	2Cr13/304/316
Cylinder sleeve	2Cr13/Copper
Piston	Cast iron/stainless steel
Guide valve seat / stem	2Cr13
Main valve spring	1Cr18Ni9Ti
Guide valve sprig	50CrVA
Regulating spring	60Si12Mn

Y43H Steam pressure reducing valve technical parameter

Nominal pressure（MPa）	1.6		2.5		4.0		6.4		10.0		16.0
Shell test pressure（MPa）	2.4		3.75		6.0		9.6		15.0		24
Seal test pressure（MPa）	1.6		2.5		4.0		6.4		10.0		16.0
Max. Inlet pressure（MPa）	1.6		2.5		4.0		6.4		10.0		16.0
Outlet pressure range（MPa）	0.1-1.0		0.1-1.6		0.1-2.5		0.5-3.5		0.5-35		0.5-45
Pressure characteristic deviation（MPa）△P2P	GB12246-1989
Flow characteristic deviation（MPa）△P2G	GB12246-1989
Max. Pressure difference（MPa）	0.15	0.15		0.2		0.4		0.8		1.0
Leakage Level	GB12245-1989

Note:Shell test does not include diaphragm and roof.

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