YH100PW Pneumatic bellows single seat control valve - Regulating valve

Product Characteristics

The valve body is compact in structure, the fluid channel is S-shaped, and is equipped with a guide wing, no turbulence

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

Quick-change valve seat, integrated pressure cage and guide sleeve, small leakage

The bonnet is equipped with bellows to form a double seal on the valve rod and block the fluid leakage

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	GB9113,GB9124.1 HG20592-2009	ASME B16.5
结构长度length of structure	GB/T17213.3	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

公称通径DN	mm	15	20	25	32	40	50	65
公称通径DN	inch	1/2	3/4	1	1.25	1.5	2	2.5
公称通径DN	mm	80	100	125	150	200	250	300
公称通径DN	inch	3	4	5	6	8	10	12
公称压力 PN	PN	16、25、40、64
公称压力 PN	ANSI	CL150、CL300
连接形式 Connections	法兰式；Flanged 焊接式Welding
形式 type	直通单座铸造球型阀，不平衡阀芯 straight bore single casting ball valve,Unbalance plug
压盖形式 Gland	螺栓压紧式bolt clamp
*上阀盖温度范围 Bonnet temp	波纹管密封型 Bellows sealed type				-45～+350℃
填料 Packing	聚四氟乙烯V形填料聚四氟乙烯碳纤维柔性石墨Teflon V-ring, Teflon fiber, Grafoil
垫圈 Gasket	金属缠绕石墨垫、金属锯齿型(316) matel wound graphite Gasket、Grooved metal gasket (316 stainless steel)
涂层Painting color	浅咖啡色(环氧树脂),阀体阀盖材质为不锈钢时，均不加涂层。Light curry (Epoxy resin group) is stan- dard. In the case of stainless steel body, no painting is standard.

Body Structure

Performance

流量特性 flow characteristics	≤DN25	金属阀座 Metal valve seat ring	高精度 High accuracy	等百分比特性(%)和线性特性(1) Equal percentage character (%) and linear character (1)
		软阀座 Soft seat ring		等百分比特性(%)和线性特性(1) Equal percentage character (%) and linear character (1)
	≥DN32	金属阀座 Metal seat ring	高容量 High capacity	等百分比特性(%)和线性特性(1) Equal percentage character(%) and linear character (1)
		软阀座 Soft seat ring
		金属阀座 Metal seat ring	高精度 High accuracy	等百分比特性(%)和线性特性(1) Equal percentage character (%cf)and linear character (Icf)
		软阀座 Soft seat ring
可调范围 Adjustable range		50:1(Cv≥0.25)、30:1(Cv≤0.16)
泄漏等级 Leakage level		硬密封(hard sealing):标准(standard)Class IV,特需(special)Class V			软密封(soft sealing): Class VI
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)