Buried reverse check valve-Inset Valve, Plug In Valve-Auer Hydraulics (Ningbo) Co., Ltd.

Buried reverse check valve

CVR series-in-line,poppet-type check valve

1.Structure and symbol

1	2	3	4	5
O-ring	Valve seat	Spring	Spool	valve body

2. Operation

When pressure at ①rises above the spring bias pressure,the poppet is lifted and flow allowed from ①to ②.

The valve is closed (checked)from②to ①

2.1 Crack pressure:Standard opening pressure<0.5bar

2.2 Ideal working temperature:NBR:-20°C to+90°C

2.3 Installation:Refer to the torque instructions in 4.Parameters.Note:The body material is carbon steel,and the screwed in parts are steel,For other materials,please contact auer engineers.Please refer to 5.Installation instructions for installation dimensions and tools

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

2.5 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	L	A	B	C	Flow	W.P	W.T
			[mm]	[mm]	[mm]	[mm]	[/min]	(bar)	(g)
CVRB02	G1/8	M10X1.0	8	3.9	08.5	4	10	400	3
CVRB04	G1/4	M14X1.5	10.2	5.5	Ø11.5	6	20	400	7

CVRB06	G3/8	M16X1.5	11.7	7	Ø14.9	8	50	350	15
CVRB08	G1/2	M22X1.5	13.5	7.9	Ø18.7	10	80	350	23
CVRB12	G3/4	M27X2.0	17.1	11.5	624.0	10	120	350	50

5. Cavity&Tool

CODE

TORQUE

[mm]

[Nm]

CVRB02

118。

Ø8.7

Ø5

CVRB04

118。

Ø11.6

Ø7

CVRB06

118。

Ø15.1

Ø9

CVRB08

118。

Ø18.8

Ø12

CVRB12

118。

Ø24.3

Ø18

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