ZF Hydraulic & Pneumatic parts Co., Ltd

ZF Hydraulic & Pneumatic parts Co., Ltd

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Products > Hydraulic valves > > Throttle & check valve DRV
Product name : Throttle & check valve DRV
Item : 010
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Details:
DV/DRV stype throttle & check valve

Application
DV type the throttle and DRV type one-way throttle valve is a more simple and accurate to adjust the speed of executive element flow control valve, when it is fully closed it is also globe valve. On the knob color scale was used to display the size of the flow control, the greater the opening of color triangle, the greater the flow. At the same time when to readjust can still be according to scale back to its original set of adjustment position.
 
Oil symbols
 
Model explanation
 
Technical parameters
Diameter 6 8 10 12 16 20 25 30 40
Max pressure(MPa) 35  
One-way valve cracking pressure(MPa) 0.05和0.45  
Weight(kg) DV type 0.12 0.25 0.40 0.70 1.20 2.10 2.80 3.50  
     DVP type 0.25 0.45 0.75 1.00 2.40 3.60 6.00 10.90  
     DRV type 0.13 0.30 0.45 0.80 1.30 2.40 3.50 4.60 7.70
     DRVP type 0.26 0.50 0.80 1.10 2.50 3.90 6.70 11.00 17.50 
Hydraulic oil  Mineral oil according to DIN51524 and 51525:phosphoric acid  
Temperature scope(℃) -20…+100  
Viscosity scope (mm2/s) 2.8~380cst  
Mounting position Optional  
Outside size
1. DV/DRV outside size
 
Spec. □B ΦD1 ΦD2 D3 D4 H1 H2 H3 L1 L2 AF
DV DRV DV DRV
6 15 16 24 G1/8 M10X1 M12X1.25 8 50 55 19 26 38 45  
8 25 19 29 G1/4 M14X1.5 M18X1.5 12.5 65 72 24 33.5 48 45  
10 30 19 29 G3/8 M18X1.5 M18X1.5 15 67 74 29 41 58 65  
12 35 23 38 G1/2 M22X1.5 M22X1.5 17.5 82 92 34 44 68 73<, /TD>  
16 45 23 38 G3/4 M27X2 M22X1.5 22.5 96 100 39 57 78 88  
20 50 38 49 G1 M33X2 M33X1.5 25 128 145 54 77 108 127 19
25 60 38 49 G11/4 M42X2 M33X1.5 30 133 150 54 93 108 143 19
30 70 38 49 G11/2 M48X2 M33X1.5 35 138 155 54 108 108 143 19
40 90 38 49 G2   M33X1.5 45 148 165   130   165 19
2.DRVP outside size
 
Spec. A B C D E F G H J K L M
DRVP-6 63 58 8 11 6.6 16 24 - 19 41.5 43 28.5
DRVP-8 79 72 10 11 6.6 20 29 - 35 63.5 65 33.5
DRVP-10 84 77 12.5 11 6.6 25 29 - 33.5 70 72 38
DRVP-12 106 96 16 11 6.6 32 38 - 38 80 84 44.5
DRVP-16 128 118 22.5 14 9 45 38 38 76 104 107 54
DRVP-20 170 153 25 14 9 50 49 47.5 95 127 131 60
DRVP-25 175 150 27.5 18 11 55 49 60 120 165 169 76
DRVP-30 195 170 37.5 20 14 75 49 71.5 143 186 190 92
DRVP-40 220 203 50 20 14 100 49 67 133.5 192 196 111
 
Spec. N O P R S T U V W SW Weight(kg)
DRVP-6 41.5 1.6 16 5 9.8 6.4 7 13.5 M12X1.25 - 0.26
DRVP-8 46 4.5 25.5 7 12.7 14.2 7 31 M18X1.5 - 0.50
DRVP-10 51 4 25.5 10 15.7 18 7 29.5 M18X1.5 - 0.80
DRVP-12 57.5 4 30 13 18.7 21 7 36.5 M22X1.5 - 1.10
DRVP-16 70 11.4 54 17 24.5 14 9 49 M22X1.5 - 2.50
DRVP-20 76.5 19 57 22 30.5 16 9 49 M33X1.5 19 3.90
DRVP-25 100 20.6 79.5 28.5 37.5 15 11 77 M33X1.5 19 6.70
DRVP-30 115 23.8 95 35 43.5 15 13 85 M33X1.5 19 11.0
DRVP-40 140 25.5 89 47.5 57.5 16 13 64 M33X1.5 19 17.5
Note:DVP and DRVP mounting and connection size are consistent.

 

 

 



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