China Hot-selling Pneumatic Directional Control Valve Types - Pneumatic small flow control valve for dropping reaction processing – Hoyee factory and manufacturers

Hot-selling Pneumatic Directional Control Valve Types - Pneumatic small flow control valve for dropping reaction processing – Hoyee

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Hot-selling Pneumatic Directional Control Valve Types - Pneumatic small flow control valve for dropping reaction processing – Hoyee Detail:

Small flow pneumatic control valve is designed for micro flow medium .The compact body ofLow flow pneumatic control valve has an S-shape flow passage that features low pressure loss, allows a large flowcapacity,rangeability, and high accuracy flow characteristics.

Small flow pneumatic control valve plugs are available in wide range of Cv values. The flow shut-off performance complies with the IEC or JIS standards. The actuator integrated with simplest mechanisms utilizes a compact yet powerful diaphragm actuator leaded with multiple springs.

Small flow pneumatic control valve is widely applicable for reliable control of small flows in high or low temperature, high pressure process lines.

Feature：

1. Top -bottom guided double seat control valve valve seat, good stability

2. The pneumatic linear actuator consists of a diaphragm housing

3. Large adjustable range, Inherent adjustable ratio 50

4.With Insulation jacket

5.control valve type: Single-seated type ,Sleeve type, double-seat type, 3-way type.

6.Actuator Accessories

Top-fitted handwheel for emergency operation
Positioner
Limit switches

Main technical specification

Nominal Diameter(mm)		20、25
Valve seat diameter Gg(mm)		2	3	4	5	6	7	8	9	10	12	15	20	25
Rated flow coefficient Kv（Liner)		0.04	0.08	0.12	0.2	0.32	0.5	0.8	1.0	1.2	2	4.4	6.9	11
Rated Stroke L(mm)		10						16
Diaphragm Effective Area(cm²）		200/280/400
Spring Range Pr(Kpa)		20~100、40~200、80~240(20~60、60~100）
Gas source pressure(Mpa)		0.14、0.25、0.30
Inherent flow Characteristics		Equal percentage、Liner
Leakage class		Metal valve plug:VI Class(Micro air bubble level）
Nominal Pressure PN(MPa)	Mpa	1.6,2.5,4.0,6.4(6.3)/2.0,5.0,11.0
	Bar	16,25,40,64(63)/20,50,110
	Lb	ANSI:Class150、Class300、Class600
Upper bonnet form	Room temperature	-20~200、-40~250、-60~250
	The cooling type	-40~350、-60~350
	High temperature	350~595(high-temperature material)
	Cryogenic	-60~-100、-100~-200、-200~-250
	Regulating cut off type	-40~150(Valve plug with PTFE) -60~200(Valve plug with reinforce PTFE)

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