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ZDLT electric diaphragm valve

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所屬類別：Special fluorine regulating valve

ZDLT electric diaphragm valve by the PS and 3610 series of straight travel electric actuator and valve. Electric actuator for the electronic integrated structure, a servo amplifier, the input control signal (4-20mADC or 1-5VDC) and the power to control the valve opening, to adjust to working parameters of pressure, flow, liquid level, temperature etc.. Is sensitive, simple connection, big flow, small volume, high accuracy regulation. The control precision and has better performance than DKZ.
Diaphragm valve body flow smoothly, a throttling element for the elastic diaphragm, valve without stuffing box cover. The valve flow capacity than the general valve and no leakage, the allowable pressure shut-off valve can be used within the scope of. Condition of the valve is suitable for high viscous fluid, suspended particles, fiber media and toxic, corrosive medium.

Main technical parameters:

Nominal diameter mm		15	20	25	32	40	50	65	80	100	125	150	200	250
To allow pressure（MPa）		1.0			0.89	1.0	1.0	1.0	1.0	1.0	0.6	0.38	0.15	0.057
The rated flow coefficientKv		8	12	16	38	60	68	90	150	300	500	600	1200	2000
Nominal pressure（MPa）		1.0
Trip（mm）		10	16		25		40			60
Flow characteristics		similar to fast open (adjustable)
Flange size		JB78-59 cast iron flanges, steel flangesJB79-59
The electric actuator of model	PSL	PSL-201	PSL-202		PSL-204		PSL-208			PSL-312
	361L	361LSA-08 361LXA-08	361LSA-20		361LSB-30		361LSB-50			361LSC-65
	Explosion proof type	361LXA-20			361LXB-30		361LXB-50

The implementation of the main technical parameters of mechanism:

Rated		output power N		speed mm/s		Technical parameters
PSL	361L	PSL	361L	PSL	361L	PSL	361L
201	361LSA-08 361LXA-08	1000	800 800	0.25	4.2 4.2	Power supply: AC220V 50Hz Input signal: DC4-20mA DC1-5V (shielding line signal line) The output signal: DC4 ~ 20mA Protection grade: IP67 With the handwheel	Power supply: AC220V 50Hz Input signal: DC4-20mA DC1-5V (shielding line signal line) The output signal: DC4 ~ 20mA Protection grade: IP55 The explosion-proof symbol: Exd II BT4 With handle
202	361LSA-20 361LXA-20	2000	2000 2000	0.50	2.1 2.1
204	361LSB-30 361LXB-30	4500	3000 3000	0.50	3.5 3.5
208	361LSB-50 361LXB-50	8000	5000 5000	1.00	1.7 1.7
312	361LSC-65	12000	6500	0.60	2.8
325	361LSC-99	25000	10000	1.0	2.0

The performance index：

project	index
Basic error％	≤±3.5
Differential％	≤2.5
Dead％	≤3.0
Always point bias ％	±2.5
Rated stroke deviation ％	±2.5
Pure lag	≤IS
Allow the discharge L/H	Rubber diaphragm "0", poly four vinyl diaphragm is 0.5% × valve rated capacity (allowable differential pressure water)
Insulation resistance	Not less than 20M
Damping characteristics	Not more than 3 and a half weeks

Lining and diaphragm material：

The valve body material	Lining material	Diaphragm material	The use of temperature	Applicable occasions
Cast iron HT200	No	Chloroprene rubber	0～65℃	Non corrosive medium, water and abrasive, the slurry medium
Cast iron HT200	Poly three vinyl fluoride	Fluorine rubber	-15～150℃	Strong acid, strong alkali, strong oxidizing agents and organic solvents, not suitable for slurry medium
Cast stainless steel ZG1Cr18Niti	No	Fluorine rubber	-20～200℃	General acid, alkali and organic solvent media

Size and shape:

The path（mm）		20	25	40	50	65	80	100	150	200	250
L（mm）		181	184	222	254	276	298	352	451	600	720
H1（mm）		67	72	87	92	105	110	127	174	209	300
With PSL	H（mm）	738	750	765	767	845	857	875	1025	1045	1252
	D（mm）	176									225
	Weight（KG）	15	17	24	29	49	61	82	150	211	370
With 361L	H（mm）	501	513	650	652	770	782	800	1080	1125	1345
	D（mm）	225							310
	Weight（KG）	23	24	39	44	64	76	97	203	264	418