Name: Light And Small Pneumatic Diaphragm Three Way Confluence Control Valves
Brand: WEYO
Price: 1 USD

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Light And Small Pneumatic Diaphragm Three Way Confluence Control Valves

Categories	Control Valves
Brand Name:	WEYO
Model Number:	ZMXQ
Place of Origin:	China
MOQ:	Negotiable
Price:	Based on oroiect reauirements
Payment Terms:	L/C, T/T
Supply Ability:	5000 units per month for small parts. 1000 units per month for large parts
Delivery Time:	7 - 15 days for small orders, 15 - 30 days for large orders
Packaging Details:	Customized packaging to protect products

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WEYO AUTO TECH

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Light And Small Pneumatic Diaphragm Three Way Confluence Control Valves

ZMXQ (X) type light and small pneumatic diaphragm three-way confluence (diversion) control valve

The ZMXQ (X) type pneumatic diaphragm light and small three-way control valve has two types: confluence and diversion. It consists of a multi-spring, zero-adjustable diaphragm actuator and a three-way confluence or three-way diversion control valve, and is an upgraded product of the ZMXQ (X) type. It is smaller and lighter in volume and weight than the ZMXQ (X), with a low center of gravity and good shock resistance. It can replace two single-seat and double-seat control valves, saving investment and occupying less space. The valve core structure adopts a cylindrical thin-walled window and is guided by the side.

The function of the confluence valve is to merge two streams of fluid into a third stream, while the diversion valve is to split one stream of fluid into two streams. The diversion and confluence valves can only be selected correspondingly, but when DN < 80, the confluence valve can be used in diversion occasions. Three-way control valves are usually used for two-phase regulation of heat exchangers, and can also be used for simple distribution regulation.

Technical Parameters

Nominal Diameter DN(mm)			25		32		40			50	65			80	100			125		150			200		250		300
Rated Flow Coefficient Kv		Confluence	8.5		13		21			34	53			85	135			210		340			535		800		1360
		Split Flow												85	135			210		340			535		800		1360
Nominal Pressure PN(MPa)		1.6；4.0；6.4
Flow characteristics		linear, equal percentage
Actuator	Model			ZMX		A B		-2	ZMX			A B	-3	ZMX		A B	-4		ZMX		A B	-5		ZMX		A B		-6
	Effective area (Cm²)			280					400					630					1000					1600
	Stroke (mm)			16					25					40					60					100
	Spring range (Kpa)			20～100；40～200；80～240
Upper bonnet type				Ordinary type (normal temperature type); Hot plate type (medium temperature type)
Medium temperature (℃)				-20～200 (normal temperature type); -40～450 (medium temperature type)
Turndown ratio				R=30:1
Flange standard				Cast iron is in accordance with JB/T79.1—94, and cast steel is in accordance with JB/T79.2—94.

Performance indicators

Item			without positioner	with positioner
basic error %			≤±6.0	±1.5
hysteresis %			±5.0	1.5
dead band %			±4.0	0.6
Always point deviation %	air-to-open	Start point	±2.5	1.5
		end point	±6.0
	air-to-close	Start point	±6.0
		end point	±2.5
rated stroke deviation %		±2.5	allowable leakage rate L/h	10⁻⁴ valve rated capacity

Allowable pressure difference (MPa)
Supply pressure	spring range	25	32	40	50	65	80	100	125	150	200	250	300
0.14	0.02～0.10	0.88	0.61	0.39	0.23	0.26	0.17	0.1	0.11	0.08	0.05	0.041	0.028
0.28	0.08～0.24	2.1	1.42	0.9	0.54	0.61	0.41	0.24	0.27	0.18	0.11	0.096	0.066

Overall dimensions
Nominal diameter DN (mm)	confluence									split flow
	D	L			H		H1			L			H		H1
		PNMPa			H		PNMPa			PNMPa			H		PNMPa
		1.6	4	6.4	normal temperature type	medium temperature type	1.6	4	6.4	1.6	4	6.4	normal temperature type	medium temperature type	1.6	4	6.4
25	285	185	190	200	537	687	140	150	160	185	190	200	567	717
32	285	200	210	210	539	689	150	160	170	200	210	210	579	729
40	285	220	230	235	610	760	160	170	180	220	230	235	645	795
50	285	250	255	265	640	79	180	190	0	250	255	265	674	824
65	360	275	285	295	824	984	200	220	220	275	285	295	864	1024
80		300	310	320	834	994	210	230	240	300	310	320	874	1034	225	250	265
100		350	355	370	970	1130	220	250	360	350	360	370	1000	1160	245	275	285
125	470	410	425	440	1050	1267	260	300	0	410	430	440	1092	1307	285	320	325
150		450	465	475	1060	1275	280	320	320	450	465	475	1110	1325	305	340	345
200		550	560	570	1186	1400	320	380	380	550	560	570	1326	1451	350	400	410
250	540	670	740	750				474	474	635	660	670
300	540	770	805	820				584	584	720	740	770

Confluence valve Diverter valve

Material of main parts and applicable temperature range
Part name	material	temperature range
Valve body upper and lower valve bonnets	HT200	-20～+200℃
	ZG230—450	-40～+450℃
	ZGlCr18Ni9Ti	-250～+550℃
valve core, valve seat, valve stem	1Cr18Ni9	-250～+550℃
gasket	XB450 rubber asbestos sheet
gasket	stainless steel spiral wound gasket
packing	polytetrafluoroethylene	-40～+200℃
packing	flexible graphite	-200～+600℃
Upper and lower diaphragm covers, disc	steel plate
compression spring	60Si2Mn
corrugated diaphragm	636 rubber-clamped reinforced polyester fabric
bracket	HT200

Can be equipped with accessories
Name	Model	Remarks
Air Filter Regulator	QFH—241	Output 0～0.30MPa
Air Filter Regulator	KZ03-2A	Output 0.012～0.35MPa
Valve Positioner	HEP-16	Signal 4～20mA
Valve Positioner	ZPD	Signal 20～10mA; 4～20mA
Handwheel Mechanism	PZXS side-mounted	ZPX—2,Stroke h—16；ZPXS—3,h=25；ZPXS—4,h=40；ZPXS—5；h=60
Handwheel Mechanism	ZDS top-mounted	ZDS-3,h=16,ZDS-4,h=25,40；ZDS-5,h=40,60

Ordering Information

Product model
Nominal diameter
Nominal pressure
Flow coefficient Kv
Flow characteristic
Valve action mode (air-to-close or air-to-open, to be specified according to the relevant circuit)
Spring range
Material of valve body and trim
Medium temperature
Accessories (positioner, pressure reducing valve, handwheel, etc.)

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