VU-B series tubular hard seal check valve-Hydraulic Hard Seat Check-Auer Hydraulics (Ningbo) Co., Ltd.

VU-B series tubular hard seal check valve

VU series-female thread -poppet-type-Tubular type one-way valve

1.Structure and symbol

1	2	3	4	5

valve body	Spool	Spring	Spring seat	gasket

2. Operation

When pressure at ①rises above the spring bias pressure,the poppet is lifted and flow

allowed from ①to② .

The valve is closed (checked)from②to①

2.1 Crack pressure:The standard opening pressure is 0.5 bar,which can provide 0.2,0.7,1,2,3,4,5,6,7,8 bar,Allow changes within+-20%.Our company supports O opening pressure check valves,but installation and use must be done vertically

2.2 Ideal working temperature:-40C to+120°℃

2.3 Oil cleanliness:ISO4406:1999 standard 4μM/6μM/14μM19/17/14

2.4 Auer provides a damping one-way valve.Please contact Auer's engineer for the size of the damping hole

3. Pressure Drop VS. Flow

4. Data sheet

CODE	TTHREAD	TTHREAD	TTHREAD	DN	L	S	Flow	W.P	W.T
				[mm]	[mm]	[mm]	[/min]	(bar)	(g)
VU08B04	BSPP1/4	BSPT1/4	NPT1/4	8	58	19	30	500	76
VU10B06	BSPP3/8	BSPT 3/8	NPT 3/8	10	68	24	45	500	82

VU12B08	BSPP1/2	BSPT1/2	NPT1/2	12	79	30	70	500	157
VU16B12	BSPP3/4	BSPT3/4	NPT 3/4	16	88	36	110	400	344
VU20B16	BSPP1	BSPT1	NPT1	20	105	41	160	350	664
VU25B20	BSPP11/4	BSPT11/4	NPT11/4	25	130	55	210	350	821
VU30B24	BSPP11/2	BSPT11/2	NPT11/2	30	140	65	320	350	1581
VU40B32	BSPP2	BSPT2	NPT2	40	160	80	460	250	1919

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