Hydraulic Valve Test Bench of Model YFS-Z Series

Model: YFS-Z Series
Testing Range：DN15-1000(1/2"-40")
Testing Medium：Water，Air or Oil

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Tel:+86-577-67226493

Email: derek@valve-deli.com

Fax: +86-577-67225622

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1. Summary

The hydraulic valve test benches of model YFS-Z series are specially applied to test all kinds of flanged end valves, such as gate valves, ball valves, globe valves, check valves etc. The test benches are effectively composed of four parts, that is, mechanical system, hydraulic system, electric system and testing medium circulating system. The entire process of the loading and clamping of the valve to be tested is completely controlled by electric components and hydraulic components. The testing medium can be water, air or oil. And the maximum shell test pressure with liquid (water) is 48Mpa. Test benches of this model series are of the following features,such as rational and compact in configuration, flawless in function, steady and reliable in performance,high in degree of automation, advanced in technics and so on. 


What is important, the test benches of this model series have no effect of external force upon the valve body, because the clamping jaw clamp directly on the flange of the valve. The left side of the test bench is movable, thus the testing won′t be restricted by the face-to-face length of the valve to be tested. When testing the valve, load the valve to be tested, clamp on both sides flange of the valve to be tested with enough clamping pressure, start the low pressure water pump to fill the valve to be tested with water, and start the high pressure water pump to pressurize the water inside the valve to the necessary test pressure for the valve’s shell test, and check if the valve body, valve cover and middle flange are qualified. And the other side of the bench can be reversed by 90 degrees to perform seat test with water or low pressure air (0.6-0.7MPa). The testing way and process of the test benches conform completely to the requirements of the following standards,GB/T13927-2008“ Pressure testing of general valves”JB/T9092-99“ Valve inspection and testing” and the International standards of API598, 6A, 6D etc. 


Besides, the machines can specially and extra equipped with PLC controls and computerized valve pressure testing date collecting, storing, searching and time-pressure curve test report printing system as per customer’s special request if necessary. And the machines can also be equipped with electric hoist (Max. Load Weight: 500KG) for loading the small size valves to be tested as per customers’ special request if necessary, especially for customers who don’t have cranes in their workshop, or the machines are used for valve testing on the project work site.



2. Technical Parameters 

Model&
Specification 

Type 

TestingRange 

Spacing between Two Working Plates (mm) Stroke & Lift Range of Clamping Jaw (mm) Diameter & Quantity of Clamping Oil Cylinder  Max.Clamping Force (t) Electromotor of Oil Pump(6 Poles) Outline Dimensions (L×W×H)
YFS-Z100

Unitary 

DN15-100 170-700 125×52 φ 80×3 30 2.2KW 1080×2300×1050
YFS-Z200 Unitary DN50-200 250-900 156×62 φ 100×3 50 2.2KW 1240×2700×1230
YFS-Z300 Unitary DN80-300 300-1150 200×75 φ 140×3 90 3.0KW 1360×3050×1300
YFS-Z400 Unitary DN150-400 400-1400 200×80 φ 160×3 120 3.0KW 1580×3350×1400
YFS-Z500 Unitary DN250-500 450-1500 225×95 φ 160×4 160 5.5KW 1620×3750×1550
YFS-Z600 Unitary DN300-600 450-1500 250×95 φ 200×4 250 5.5KW 1700×3900×1650
YFS-Z800 Separate  DN400-800 550-1650 320×105 φ 250×4 350 5.5KW 2900×5000×1950
YFS-Z1000 Separate  DN500-1000 650-1800 350×105 φ 220×6 450 5.5KW 3100×5300×2000


3. Pressure Check List of Clamping Oil Cylinder 

Model YFS-Z100

Nominal Diameter  Nominal Pressure           MPa/class
1.6 2.5 4.0 6.4 10.0 16.0 20.0 25.0 32.0
150 300 400 600 900 1500

Pressure of Hydraulic Station

in mm PN PS PN PS PN PS PN PS PN PS PN PS PN PS PN PS PN PS
1/2″ DN15

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3/4″ DN20

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1″ DN25

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11/4″ DN32

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11/2″ DN40

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2 ″ DN50

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21/2″ DN65

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3 ″ DN80

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4″ DN100

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Note: PN-denotes the pressure of the oil cylinder when performing seat test;PS-denotes the pressure of the oil cylinder when performing shell test

         Valve shell test pressure=Valve nominal pressure×1.5; Valve seat test pressure=Valve nominal pressure×1.1


Model YFS-Z200

Nominal Diameter  Nominal Pressure           MPa/class
1.6 2.5 4.0 6.4 10.0 16.0 20.0 25.0 32.0
150 300 400 600 900 1500

Pressure of Hydraulic Station

in mm PN PS PN PS PN PS PN PS PN PS PN PS PN PS PN PS PN PS
2″ DN50

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21/2 ″ DN65

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3″ DN80

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4 ″ DN100

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5″ DN125

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6″ DN150

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8″ DN200

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Note: PN-denotes the pressure of the oil cylinder when performing seat test;PS-denotes the pressure of the oil cylinder when performing shell test

         Valve shell test pressure=Valve nominal pressure×1.5; Valve seat test pressure=Valve nominal pressure×1.1


Model YFS-Z300

Nominal Diameter   

Nominal Pressure           MPa/class

1.6

2.5

4.0

6.4

10.0

160

20.0

250

320

150

300

400

600

900

1500

Pressure of Hydraulic Station

in

mm

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

3″

DN80

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4″

DN100

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5″

0N125

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6″

DN150

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8″

DN200

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10″

DN250

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12″

DN300

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Note: PN-denotes the pressure of the oil cylinder when performing seat test;PS-denotes the pressure of the oil cylinder when performing shell test

         Valve shell test pressure=Valve nominal pressure×1.5; Valve seat test pressure=Valve nominal pressure×1.1


Model YFS-Z400

Nominal Diameter  

Nominal Pressure           MPa/class

1.0

1.6

2.5

4.0

6.4

10.0

16.0

20.0

25.0

150

300

400

600

900

Pressure of Hydraulic Station 

in

mm

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

6″

DN150

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8″

DN200

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10″

DN250

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12″

DN300

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14″

DN350

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16″

DN400

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Note: PN-denotes the pressure of the oil cylinder when performing seat test;PS-denotes the pressure of the oil cylinder when performing shell test

         Valve shell test pressure=Valve nominal pressure×1.5; Valve seat test pressure=Valve nominal pressure×1.1


Model YFS-Z500

Nominal Diameter   

Nominal Pressure           MPa/class  

1.0

1.6

2.5

4.0

6.4

10.0

16.0

20.0

25.0

150

300

400

600

900

Pressure of Hydraulic Station 

in

mm

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

10″

DN250

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12″

DN300

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14″

DN350

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16″

DN400

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18″

DN450

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20″

DN500

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Note: PN-denotes the pressure of the oil cylinder when performing seat test;PS-denotes the pressure of the oil cylinder when performing shell test

         Valve shell test pressure=Valve nominal pressure×1.5; Valve seat test pressure=Valve nominal pressure×1.1


Model YFS-Z600

Nominal Diameter  

Nominal Pressure           MPa/class  

0.6

1.0

1.6

2.5

4.0

6.4

10.0

16.0

20.0

150

300

400

600

900

Pressure of Hydraulic Station   

in

mm

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

PN

PS

12″

DN300

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14″

DN350

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16″

DN400

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18″

DN450

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20″

DN500

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24″

DN600

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Note: PN-denotes the pressure of the oil cylinder when performing seat test;PS-denotes the pressure of the oil cylinder when performing shell test

         Valve shell test pressure=Valve nominal pressure×1.5; Valve seat test pressure=Valve nominal pressure×1.1


Model YFS-Z800 

Nominal Diameter  

Nominal Pressure           MPa/class  

0.6 1.0 1.6 2.5 4.0 6.4 10.0 16.0 20.0
150 300 400 600 900

Pressure of Hydraulic Station    

in mm PN PS PN PS PN PS PN PS PN PS PN PS PN PS PN PS PN PS
16″ DN400

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18″ DN450

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20″ DN500

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24″ DN600

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28″ DN700

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32″ DN800

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Note: PN-denotes the pressure of the oil cylinder when performing seat test;PS-denotes the pressure of the oil cylinder when performing shell test

         Valve shell test pressure=Valve nominal pressure×1.5; Valve seat test pressure=Valve nominal pressure×1.1


Model YFS-Z1000 

Nominal Diameter  

Nominal Pressure           MPa/class   

0.3 0.6 1.0 1.6 2.5 4.0 6.4 10.0 16.0
150 300 400 600 900

Pressure of Hydraulic Station    

in mm PN PS PN PS PN PS PN PS PN PS PN PS PN PS PN PS PN PS
20″ DN500

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24″ DN600

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28″ DN700

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32″ DN800

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36″ DN900

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40″ DN1000

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Note: PN-denotes the pressure of the oil cylinder when performing seat test;PS-denotes the pressure of the oil cylinder when performing shell test

         Valve shell test pressure=Valve nominal pressure×1.5; Valve seat test pressure=Valve nominal pressure×1.1







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