Pilot operated check valves

Pilot operated check valves Manufacturer, Supplier, Factory, Exporter in china.
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DSV/DSL PILOT OPERATED CHECK VALVES
DSV/DSL pilot operated check valves allow free flow in one direction and block
flow in the counter direction to maintain presure. The oil is allowed to flow in
the counter direction when the X port is connected.
DSV is designed for internally drained, DSL is designed for externally
drained.
Technical data

Size
DSV10
DSL10
DSV20
DSL20
DSV30
DSL30
Port X,pilot volume(CM3)
2.2
8.7
17.5
Port Y,volume(CM3)
-
1.9
-
7.7
-
15.8
Direction of flow
Free flow A to B;B to A when piloted open
Operating pressure (MPa)
31.5
Pilot control pressure range (MPa)
0.5-31.5
Max,flow rate(L/min)
80
150
300

Subplate mounting dimensions

Technical data

L1
L2
L3
L4
L5
L6
L7
B
B1
B2
B3
B4
B5
D
E
F
18.5
7.2
21.5
/
21.5
35.8
42.9
85
9.15
7.9
33.35
58.8
66.7
4-M10/24
2-Ø6
2-Ø13
17.5
11.1
20.6
/
39.7
49.2
60.3
102
11.3
6.4
39.7
73
79.4
4-M10/24
2-Ø6
2-Ø25
15.5
16.7
24.6
42.1
59.5
67.5
84.2
120
11.6
3.8
48.4
92.8
96.8
6-M10/24
2-Ø6
2-Ø32

Threaded connection dimensions

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 1/4"M42X2
20
75
54.5
15.5
20.5
73.5
89.5
115
30
97
120
61
G1 1/2"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 1/4"M42X2
20
75
54.5
15.5
20.5
84
99.5
125
DSL
30
97
120
61
G1 1/2"M48X2
22
75
54.5
15.5
20.5
84
99.5
125
The Detail of Pilot Operated Check Valve Description:
ProductName:Pilot operated check valves
Model No:Pilot Operated Check Valve
Product Origin:China
Brand Name:Ningbo Hanshang Hydraulic Co.,Ltd.
Price Terms: FOB NINGBO, CIF to your requested destination port
Payment Terms:T/T, L/C
Delivery Lead Time:30 days normally
  If you want to purchase or know more information about's Pilot operated check valves ,please contact us!

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