TF series external self-sealing oil suction filter

This filter is installed at the oil pump suction port to protect the oil pump and other hydraulic components to avoid the inhalation of pollutants and impurities, effectively control the pollution of the hydraulic system, and improve the cleanliness of the hydraulic system. This filter can be directly installed on the side, top or bottom of the oil tank. The oil suction cylinder is immersed below the liquid level in the oil tank, and the filter head is exposed outside the oil tank. It is equipped with a self-sealing valve, a bypass valve, a filter element pollution blockage indicator and other devices to prevent the oil in the oil tank from flowing out when the filter element is replaced or cleaned. This product has the advantages of novel design, easy installation, large oil flow capacity, small resistance, and easy cleaning or replacement of the filter element.

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Hydraulic Filters

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Product Introduction

(I) Introduction

This filter is installed at the oil pump suction port to protect the oil pump and other hydraulic components to avoid the inhalation of pollutants and impurities, effectively control the pollution of the hydraulic system, and improve the cleanliness of the hydraulic system. This filter can be directly installed on the side, top or bottom of the oil tank. The suction cylinder is immersed below the liquid level in the oil tank, and the filter head is exposed outside the oil tank. It is equipped with a self-sealing valve, a bypass valve, a filter element pollution blockage transmitter and other devices to prevent the oil in the oil tank from flowing out when the filter element is replaced or cleaned. This product has the advantages of novel design, easy installation, large oil flow capacity, small resistance, and convenient cleaning or replacement of the filter element.

(II) Performance and Features

1. Easy installation and connection, simplified system pipeline:

This filter can be directly installed on the side, bottom or top of the oil tank. The filter head is exposed outside the oil tank, and the oil suction cylinder is immersed below the liquid level in the oil tank. The oil outlet is equipped with a pipe type and a flange type connection. The filter is equipped with a self-sealing valve and other devices, so that the pipeline does not need to be installed with other pipe fittings such as a stop valve, thereby simplifying the pipeline and facilitating installation. 2. The self-sealing valve is set to make it very convenient to replace, clean the filter element or repair the system:

When replacing, cleaning the filter element or repairing the system, you only need to unscrew the filter end cover (cleaning cover). At this time, the self-sealing valve will automatically close, isolating the oil tank oil circuit, so that the oil in the oil tank will not flow out, making it very convenient to clean, replace the filter element or repair the system. If the self-sealing valve is opened, it can also be used to drain the oil from the oil tank.

3. It has a filter element pollution indicator and an oil bypass valve to improve the reliability of the hydraulic system: when the filter element is blocked by pollutants and the vacuum degree of the oil outlet is 0.018MPa, the indicator will send a signal, and the filter element should be replaced or cleaned in time. If the machine cannot be shut down immediately or no one comes to replace the filter element, the oil bypass valve on the upper part of the filter element will automatically open (the opening value is: vacuum 0.02MPa) to avoid the oil pump from sucking air. However, the machine should be shut down to replace or clean the filter element to keep the hydraulic system clean and improve the reliability of the hydraulic system.

(III) Installation method diagram and model description

(IV) Technical parameters

Mode	flow (1/min)	Filtration accuracy (μm)	The way to （mm）	Original pressure loss Initial△P (MPa)	Signaling device		Connecting	Weight (Kg)	Model of E1ement
					（V）	（A）
TF-25×*L- ^C_Y	25	80 100 180	15	<0.01	12 24 36 220	2.5 2 1.5 0.25	Tubular	0.4	TFX-25×*
TF-40×*L-^C_Y	40		20					0.45	TFX-40×*
TF-63×*L-^C_Y	63		25					0.82	TFX-63×*
TF-100×*L-^C_Y	100		32					0.87	TFX-100×*
TF-160×*L-^C_Y	160		40					1.75	TFX-160×*
TF-250×*F-^C_Y	250		50				Flange	2.60	TFX-250×*
TF-400×*F-^C_Y	400		65					4.3	TFX-400×*
TF-630×*F-^C_Y	630		90					6.2	TFX-630×*
TF-800×*F-^C_Y	800		90					6.9	TFX-800×*

Note: * indicates the filtration accuracy. If the medium used is water-ethylene glycol and has a transmitter, the filter model is TF·BH-160×*L-C and the filter element model is TFX·BH-160×*

(V) Connection size

Table 1. TF-25~160 threaded connection dimensions

Model	SIZE(mm)
	L1	L2	L3	H	M	D	A	B	C1	C2	C3	h	d
TF-25x*L-^C_Y	93	78	36	25	M22×1.5	φ62	80	60	45	42	42	9.5	φ9
TF-40×*L-^C_Y	110				M27×2
TF-63×*L-^C_Y	138	98	40	33	M33×2	φ75	90	70.7	54	47		10
TF-100×*L-^C_Y	188				M42×2
TF-160×*L-^C_Y	200	119	53	42	M48×2	φ91	105	81.3	62	53.5		12	φ11

Table 2: TF-250~800 flange connection size

Model	SIZE(mm)
	L1	L2	L3	H	D1	D	a	b	n	A	B	C1	C2	C3	h	d	Q
TF-250×*F-^C_Y	270	19	53	42	φ50	φ91	70	40	M10	105	81.3	2.	53.5	42	12	φ11	φ60
TF-400×*F-^C_Y	275	141	60	50	φ65	φ110	90	50		125	95.5	82.5	61		15		φ73
TF-630×*F-^C_Y	325	184	55	65	φ90	φ140	120	70		160	130	100	81		15		φ102
TF-800×*F-^C_Y	385
TF-1000×*F-^C_Y	485
TF-1300×*F-^C_Y	680

Note: The oil outlet flange, mounting bolts, sealing gaskets and other accessories required by this product are all provided with this product. Users only need to prepare Q pipes for welding. The transmitter connection port is M18×1.5. If you do not need a transmitter, a screw plug can be provided.

Key words:

TF series external self-sealing oil suction filter

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