YH591M Labyrinth-type multi-stage depressurization high - Regulating valve

Product Characteristics

Small pressure drop loss, large flow, wide adjustable range high flow characteristic accuracy

Labyrinth disc meets the requirements of different pressure differences

Labyrinth disc achieves the purpose of stepwise pressure reduction and noise reduction to prevent cavitation and cavitation

Equipped with multi-spring diaphragm actuator, compact
structure, small size and large output force

Application of Standards

	中国标准 Chinese Standard	美国标准 American Standard
质量保证 Quality assurance	ISO9001	ISO9001
设计制造 design and manufacture	GB12224-2005	ASME B16.34
法兰标准 flange standard	SH3406 HG20596	ASME B16.5
结构长度 length of structure	JB/T450	ASME B16.10 ISA S75.03
检验和试验标准 inspection and test standard	GB/T4213-2008	ANSI FCI70-2 IEC60534-2-1

Body Selection

	中国标准 Chinese Standard	美国标准 American Standard
质量保证 Quality assurance	ISO9001	ISO9001
设计制造 design and manufacture	GB12224-2005	ASME B16.34
法兰标准 flange standard	SH3406 HG20596	ASME B16.5
结构长度 length of structure	JB/T450	ASME B16.10 ISA S75.03
检验和试验标准 inspection and test standard	GB/T4213-2008	ANSI FCI70-2 IEC60534-2-1

Body Structure

Performance

流量特性 Flow characteristics	等百分比特性(%)和线性特性(L) Equal percentage character (%) and linear character (L)
可调范围 Adjustable range	50:1(Cv≥0.25)、30:1(Cv≤0.16)
泄漏等级 Leakage level	标准(standard)Class IV,特需(special)Class V
基本误差 Fundamental error	标准型：±1.5%(带定位器);伸长型：±2.5%(带定位器)
回差 Backlash	标准型：±1.5%(带定位器);伸长型：±2.5%(带定位器)
死区 Dead zone	标准型：±0.6%(带定位器);伸长型：±1%(带定位器)
始终点偏差 Start point deviation	±2%(带定位器)
额定行程偏差 Rated travel deviation	±2%(带定位器)