China Excellent quality Pneumatic Spring Return Control Valve - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee factory and manufacturers

Excellent quality Pneumatic Spring Return Control Valve - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee

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Excellent quality Pneumatic Spring Return Control Valve - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee Detail:

Pneumatic PTFE PFA Lined diaphragm valve specification

Pneumatic PTFE PFA Lined diaphragm control valve Body type:	straight through casting globe type Fluoride (PTFE,FEP,PFA) lined
Spool type:	non-balanced single seat plug type
Nominal size:	DN20~200,、 NPS 3/4〞~ 8〞
Nominal pressure:	PN16 ~ 100、 CLASS 150LB ~ 600LB
Connection: flange:	FF、RF、MF、RTJ
Welding:	SW、BW
Flange dimension:	According to to IEC 60534
Pneumatic PTFE PFA Lined diaphragm control valve Bonnet type:	Ⅰ:standard type（-29℃~150℃）
Packing:	V type PFTE packing, flex. graphite packing, etc.
Gasket:	Metal graphite packing
Actuator:	Pneumatic: multi-spring diaphragm actuator, piston type actuator.

Material List

Component name	Control Valve Material
Body/Bonnet	WCB/CF8/CF8M/CF3M
Lined Material	PTFE,FEP,PFA
Control Valve spool/Seat	304/316/316L Lined PTFE/FEP/PFA
Packing	PTFE
Gasket	PTFE
Diaphragm Cover	Normal:Q235,Special:304
Diaphragm	NBR with reinforced polyester fabric
Spring	Normal:60Si2Mn,Special:50CrVa
Control valve stem	2Cr13/17-4PH/304/316/316L

Valve performance

Pneumatic PTFE PFA Lined diaphragm control valve Flow characteristic	Linear, percentage, quick open
Allowable range	30: 1
Rated Cv value	Percentage CV6.3~400 ，linear CV6.9~440
Pneumatic PTFE PFA Lined diaphragm control valve Allowable leakage	Soft seal: VI grade（foam grade） Leakage standard: GB/T 4213
Pneumatic PTFE PFA Lined diaphragm control valve Performance
Intrinsic error(%)		±1.5
Return difference(%)		≤1.5
Dead zone(%)		≤0.6
Difference from beginning to end point(%)		±2.5
Rated travel difference(%)		≤2.5

Valve actuator specification

Pneumatic fluorine lined control valve Type Method	Pneumatic diaphragm actuator
	PZMA-4~ PZMA-7
	Multi-spring type
Usage	Regulating type, ON-OFF type
Air supply pressure or Power supply voltage	Air supply pressure (Spring range) 140（20～100）Kpa G 240 (40～200) Kpa G 280 (80～240) Kpa G
Connector	Air pipe connector: RC1/4
Direct action	Pressure increase, stem descend, valve close.
Reaction	Pressure increase, stem ascend, valve open.
Input signal	40～20mA.DC（with positioner）
Lag	≤1%FS（with positioner）
Linear type	2%FS（with positioner）
Environmental temperature	-10℃～+70℃
Pneumatic PTFE PFA Lined diaphragm control valve Accessories	E/P, P/P valve positioner, filter regulator, valve converter, solenoid valve, limited switch Non-standard accessories, need special customized notes.

Valve technical parameter

Nominal size, DN		20	25	32	40	50	65		80	100	125	150
Rated flow coefficient, Cv	Percentage		8	12	20	32	50		70	100	200	240
Rated flow coefficient, Cv	Linear	5	10	16	25	38	63		80	120	220	300
Travel		16mm		25 mm				40mm			60mm
Pneumatic actuator Diaphragm effective area, Ae (cm2)		ZHA/B-22		ZHA/B-23			ZHA/B-34				ZHA/B-45
		350		350			560				900
Action	Spring range	Pneumatic PTFE PFA Lined diaphragm control valve Max. allowable pressure difference（MPa）
Air open	20-100KPa	1.16	0.7	0.44	0.28	0.18	0.17		0.11	0.07	0.07	0.05
	40-200 KPa	3.34	2.14	1.31	0.84	0.53	0.51		0.33	0.21	0.22	0.15
	80-240 KPa	6.4	4.99	3.05	1.95	1.25	1.18		0.78	0.5	0.51	0.36
Air close	20-100KPa	2.23	2.14	0.87	0.56	0.35	0.34		0.22	0.14	0.15	0.1
	40-200 KPa	6.4	6.4	5.86	3.64	2.3	2.21		1.43	0.91	0.95	0.66
	80-240 KPa	6.4	6.4	6.4	5.04	3.18	3.06		1.98	1.26	1.32	0.92

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No matter new customer or old customer, We believe in long term and trusted relationship for Excellent quality Pneumatic Spring Return Control Valve - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee , The product will supply to all over the world, such as: Jakarta , Mexico , Estonia , With the development and enlargement of mass clients abroad, now we have set up cooperative relationships with many major brands. We have our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the "quality first, customer first, We are provideing high-quality, low-cost products and first-class service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.

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