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DSV_DSL Pilot Operated Check Valves

DSV/DSL PILOT OPERATED CHECK VALVES

DSV/DSL pilot operated check valve allow free flow in one direction and block flow in the counter direction to maintaining presure. The oil is allowed to flow in the counter direction when the X port is connected.

The pilot oil can also flow in the counter direction when the pilot port X being connected.

DSV is designed for internally drained.

DSL is designed for externally drained.

 

  

Technical data

Size SV10 SL10 SV20 SL20 SV30 SL30
Port X,port volume ( cm ³ ) 2.2 8.7 17.5
Port Y, volume ( cm ³ ) - 1.9 - 7.7 - 15.8
Direction of flow Free flow A to B ; Free flow B to A when piloted open
Operating pressure ( MPa ) 31.5
Pilot pressure ( MPa ) 0.5-31.5
Max. flow rate (L/min.) 80 150 300
 
DSV10 DSL10  
DSV20 DSL20  
DSV30 DSL30  

 

 
Model
Size B1 B2 D1 D2 T1 H1 L1 L2 L3 L4 L5 L6
 
DSV
10 66.5 85 34 G1/2"M22x1.5 14 42 27.5 18.5 10.5 33.5 49 80
15 79.5 100 42 G3/4"M27x2 16 57 36.7 17.3 13.3 50.5 67.5 95
20 79.5 100 47 G1"M33x2 18 57 36.7 17.3 13.3 50.5 67.5 95
25 97 120 56 G1/4"M42x2 20 75 54.5 15.5 20.5 73.5 89.5 115
30 97 120 61 G1/2"M48x2 22 75 54.5 15.5 20.5 73.5 89.5 115
10 66.5 85 34 G1/2"M22x1.5 14 42 22.5 18.5 10.5 33.5 49 80
15 79.5 100 42 G3/4"M27x2 16 57 30.5 17.5 13 50.5 72.5 100
20 79.5 100 47 G1"M33x2 18 57 30.5 17.5 13 50.5 72.5 100
25 97 120 56 G1/4"M42x2 20 75 54.5 15.5 20.5 84 99.5 125
DSL
30 97 120 61 G1/2"M48x2 22 75 54.5 15.5 20.5 84 99.5 125

  
  
   Contact us
Ningbo Hanshang Hydraulic Co.,Ltd.
Add:  118 Qiancheng Road, Zhenhai, Ningbo, Zhejiang Province, 315207, China
TeL:  +86-574-86361966
Fax:  +86-574-86361266
Contac Person:  Angela weng
E-Mail:  sales@allhydraulicvalves.com      
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