CARTRIDGE VALVE รุ่น LFA..EKWB

2-way cartridge valves with spool position monitoring รุ่น LFA..EKWB (control cover)

รายละเอียด Cartridge Valves รุ่น LFA..EKWB (control cover)

• Size 16...160
• Component series 7X
• Maximum operating pressure 420 bar
• Maximum flow 25000 l/min

Features

• Functional product design
• Modular set-up:
  • Cartridge valve with various options
  • Control cover in various variants for realization of selected functions
  • Electronic monitoring of the spool position
• Power and flow-optimized design:
  • High flows
  • Low pressure drops
  • High switching velocities
  • Low leakage oil flows
• Robust design:
  • High reliability
  • Long life cycle
• Other features:
  • Small installation size, low weight
  • Easy to service

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Type code

01	02	03		04		05	06	07	08	09	10	11	12	13
LFA		EKWB	–	7X	/			D	Q..G24

Type
01	Control cover LFA		LFA
Size
02	NG 16		16
	NG 25		25
	NG 32		32
	NG 40		40
	NG 50		50
	NG 63		63
	NG 80 1)		80
	NG 100 1)		100
	NG 125 1)		125
	NG 160 1)		160
Version
03	Control cover version "EKWB"	With electrical control of the closed position for set-up of a directional spool or seat valve, with installed shuttle valve, incl. installation kit	EKWB
Component series
04	Component series 70 to 79 (70 to 79: unchanged installation and connection dimensions)		7X
Spool design
05	A1 : A2 = 2 : 1 (annulus area = 50 %; standard version)		CA
	A1 : A2 = 14.3 : 1 (annulus area = 7 %)		CB
Cracking pressure
06	Cracking pressure 1.0 bar		10
	Cracking pressure 2.0 bar		20
	Cracking pressure 4.0 bar		40
Damping
07	Valve poppet with damping nose		D
Spool position monitoring
08	Electrical (NG 16…32)		QMG24
	Electrical (NG 40...63)		Q6G24
Nozzle fitting
09	Orifice in channel B 2)		B..
10	Orifice in channel P 2)		P..
11	Orifice in channel T 2) 3)		T..
Seal material
12	NBR seals		no code
	FKM seals		V
Ports, plug screws and orifices
13	Metric		no code
	UNC		/12

Version
CA	CB

Orifice symbol		Symbol in ordering code
A**		A**	This orifice is designed as screw-type orifice. If an orifice is to be installed, the respective code letter with the orifice Ø in 1/10 mm has to be entered in the type designation. Example: A12 = Orifice with Ø1.2 mm in channel A.
Ø1,2			This orifice is designed as bore. No specifications are made in the type designation. (Orifice Ø in mm)
Z12			This orifice is designed as screw-type orifice. This is a standard orifice. No specifications are made in the type designation. (Orifice Ø in 1/10 mm)

Pilot control valve (separate order)
Control cover		Pilot control valve
Size	Version	Size	Description
16 … 50	EKWB	6	4/3-, 4/2-, 3/2-directional spool valve, direct operated (subplate mounting) 2/2-, 3/2-, 4/2 directional seat valve, direct operated (subplate mounting)
63...100	EKWB	10
125	EKWB	10
160	EKWB	25

Model	Code

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