China Wholesale Pneumatic Control Of Valve - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee factory and manufacturers

Wholesale Pneumatic Control Of Valve - Diaphragm valve pneumatic actuator PTFE PFA Lined – Hoyee

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Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for Motorized Valve 4-20ma, 3 Pneumatic Butterfly Valve, Electric Modulating Control Valve, We are going to wholeheartedly welcome all clientele during the industry both of those at your home and overseas to cooperate hand in hand, and build a bright potential together.

Wholesale Pneumatic Control Of 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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