PTFE lined electric control valve - Electric control valve - Electric control valve,pneumatic control valve-China control valve manufacturer

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PTFE lined electric control valve

Model：ZRHPF4

Port size：DN20~150, NPS 3/4〞~ 6〞
Pressure：PN16 ~ 25 CLASS 150/300LB
Medium：Corrosive medium
Temperature :-20～150℃
Body material：WCB,304SS,316SS
Connection：Flange
Position type：Input signal increase, valve close or opposite
Characteristic：Linear, percentage, quick open
Voltage：AC220,AC380
Other：Explosion-proof type is optional

PTFE lined electric control valve feature
PTFE lined electric control valve is composed of electric actuator,straight through single seat PTFE (PTFE,FEP,PFA is for option) Lined structure. PTFE lined electric control valve contacted with the corrosive medium adopts the corrosion-resistant, anti-aging PTFE high pressure lining fluorine plastic process.PTFE lined electric control valve is capable of controlling the flow of acid, alkali, aqua wang and other highly corrosive media, toxic volatile gas and liquid media.Therefore, PTFE lined electric control valve is widely used in chemical, metallurgy, medicine and other industries.
PTFE lined electric control valve Features as below:
1. Good corrosion resistance: the inner cavity of PTFE lined electric control valve body, core, seat are lined with 3mm thick fluorine (PTFE,PEP,PRA) , which can withstand strong corrosive fluid.
2. Good sealing performance: double sealing with PTFE bellows and packing.
3. The leakage quantity is little, because the PTFE lined electric control valve core and seat are soft seal, leakage was far below the national Ⅳ level standard.
4. High adjustment accuracy: PTFE lined electric control valve adopts precise and small pneumatic and electric actuators, small in size and light in weight.

PTFE lined electric control valve specification

PTFE lined electric control valve Body type:	straight through casting globe type PTFE lined(PTFE,FEP,PFA is optional)
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
PTFE lined electric control valve Bonnet type:	Ⅰ:standard type（-29℃~150℃）
Packing:	V type PFTE packing, flex. graphite packing, etc.
Gasket:	Metal graphite packing
PTFE lined electric control valve Actuator:	Electric: 3810L series smart actuator, PSL series actuator.

PTFE lined Electric control valve material

Component name	Control Valve Material
Body/Bonnet	WCB//CF8/CF8M/CF3M
Lined Material	PTFE(PTFE,FEP,PFA is optional)
Valve spool/Seat	304/316/316L Lined PTFE/FEP/PFA
Packing	Normal:-196～150℃ is PTFE,RTFE,>230℃ is flexible graphite
Bellows	304/316/316L
Gasket	Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket
Control valve stem	2Cr13/17-4PH/304/316/316L

PTFE lined electric control valve type code

Z	Actuator	H	Structure	Nominal size	Body material	Bonnet type	Nominal pressure
Z series control valve	R: electric 3810L actuator D: electric PSL actuator	H:direct travel	PF: standard fluorine lined control valve PF4: PTFE lined control valve PF46: PEP lined control valve PFa: PFA lined control valve	DN25= NPS1〞=25 DN50= NPS2〞=50	C=WCB LC=LCB P=CF8 PL=CF3 R=CF8M RL=CF3M D=special material	Ⅰ:standard type（-29℃~150℃）	PN16=16 CL150LB=150 LB JIS10K=10K
Such as: Z type Electric control valve,,metal seat, PTFE lined ,PN16, body: WCB, nominal size: DN50, type: ZRHPF4-50CⅠ-16

PTFE lined electric ontrol valve performance

PTFE lined electric control valve Flow characteristic	Linear, percentage, quick open
Allowable range	30: 1
Rated Cv value	Percentage CV6.3~400 ，linear CV6.9~440
PTFE lined electric control valve Allowable leakage	Soft seal: VI grade（foam grade） Leakage standard: GB/T 4213
PTFE lined electric control valve Performance
Intrinsic error (%)	±1.0
Return difference(%)	≤1.0
Dead zone(%)	≤1.0
Difference from beginning to end point(%)	±2.5
Rated travel difference(%)	≤2.5

PTFE lined electric control valve actuator parameter

PTFE lined electric control valve Type\ Method	Electric actuator
	3810L series
	Intelligent integrated type
Usage	Regulating
Air supply pressure or Power supply voltage	Power: AC 200V±10% 50Hz Or Power: AC 380V±10% 50Hz
Connector	Normal type: cable inlet 2-PF(G1/2〞) Explosive proof: Protection jacket PF(G3/4〞)
Direct action	Input signal increase, stem descend, valve close.
Reaction	Input signal increase, stem ascend, valve open.
Input signal	Input/output4～20mA.DC
Lag	≤0.8%FS
Linear type	≤+1%FS
Environmental temperature	Standard type: -10℃～+60℃ With space heater : -35℃～+60℃ Explosive proof: -10℃～+40℃
PTFE lined electric control valve Accessories	Space heater (normal type) Non-standard accessories, need special customized notes.

PTFE lined electric control 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
Electric actuator			PTFE lined electric control valve Max. allowable pressure difference,（MPa）
Type		Thrust（N）
3810L-08		800	2.38	1.52
3810L-30		3000			2.79	1.79	1.14
3810L-50		5000			4.66	2.98	1.91	1.13		0.6	0.47
3810L-65		6500						1.35		0.8	0.57	0.39	0.26
3810L-99		10000										0.61	0.42

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