User Manual - Global Supply Line
Contents
1. left claw pressurizing power switch oo 000 Of oil pump stop 1 hydraulic control station 2 panel of pressure gauge 3 panel of control button 4 pressure check list 5 turning bench 6 clamping claws 7 clamping oil cylinder 8 moving bench 9 control valves of gas water pipelines 10 0il volume gauge 11 oil tank 12 electrics box 13 low pressure water supplying pump 14 turning oil cylinder 15 high pressure water supplying pump 16 moving oil cylinder 17 hydraulic components amp integrated 18 oiling port 19 hydraulic motor amp oil pump 20 pressurizing oil cylinder 21 0il draining 22 water draining left high pressure lett high pressure right high pressure ight high pressure Se left pressure relief valve lel water inkel valve master water inkel valve right pressure relief valve right water inlet valve master gas infel vale right claw pressurizing Q re water hi a gh law i por a ar right claw forward righ claw clamp up right overtum low pressure water high pressure water pump stop pump stop right claw backward righ daw loosen down right overtum O DORY 4 Main technical parameter amp specification YFJ B300 Specificati a Voltage 415V EROE S JWz 300 P lenis ge V onw AAE ES ce 1 2 12 Frequency Allowed inch mm I 15 300mm Hz tested valve minal Nemin 150 2500 Power kw pressure bar Biggest Clamping Spacing mm E2 Progression2. B Push the button CARRIAGE BACKWARD to make the carriage to required position C Push the button RIGHT CLAW BACKWARD and RIGHT CLAW LOOSEN to make the right claw to required position D Put the right flange of the tested valve close to the right workbench and aim at the sealing plate center E Orderly push the button RIGHT CLAW FORWARD and RIGHT CLAW CLAMP to make the right claw clamps completely the right flange of the tested valve F Push the button CARRIAGE FORWARE to make fig the left workbench close to the other side flange of the tested valve G Push the button LEFT CLAW FORWARD and LEFT CLAW CLAMP to make the left claw clamps completely the left flange of the tested valve H Check the nominal size and pressure of the tested valve find out the pressure of the oil cylinder from the Pressure Contrast Table press button RIGHT and LFET CLAW PRESSURIZING to pressurize the claw clamping up to the required value Note please push the button RIGHT and LEFT CLAW PRESSURIZING for times the time alternation should be about 5 10 seconds Then the loading is finished and start to perform the following test BIS The pressure value of the oil cylinder is showed by the RIGHT and LEFT BOOST GAUGE It is prohibited that the flanges of the tested valves touches the piston pod of clamping oil cylinder 2 Back seat and shell testing A Referring to the working pressure of the tested valve make sure the tested pressure value
3. DORY User Manual Model YFJ B300 JWZ 300 Valve pressure test machine special for flanged valves DORY 1 Summary The YFJ B series Flanged Valve Test Bench with hydraulic clamping system and control panel mounted test gauges is capable of perform shell test and seat test of DN15 1000mm flanged end valves according to all international test standards The machine is manufactured under the IS09001 quality management system and it holds the following features Specially applied to perform shell test and seat test of all kinds of DN15 DN1000mm flanged end industrial valves such as gate valves ball valves globe valves check valves etc automatic hydraulic 3 claw clamping system realizes stable and quick clamping clamping directly on the both flanges of the tested valves prevent the tested valve body from the effect of external force one side of the bench can be moved so the test won t be restricted by the structural length of the valve one side of the machine can be reversed by 90 degrees to facilitate the seat and air tightness test configured the high and low pressure water pump Low pressure air test system 7 bar 100 PSI e Test medium can be water gas or oil optioned by user and recycled use and storage Owing to the characteristics of reasonable structure completed function and easy operation the machine has been widely used in various valves testing for valves manufacture factories petrochemical
4. Length mm 3000 spacing mm Diameter of the oil noxa Dimension Width mm 1750 Hydraulic AT EE C system i I 4 a ao 100Ton EG 1400 force 5 Pressure check list span Smallest YF J B300 Clamping Cylinder Pressure Contrast Table Nominal Pressure bar class Nominal 16 25 40 64 100 160 250 420 AREE gt tiso s00 400 600 800 1500 2500 Pressure of Hydraulic Station bar in un Pn Tes Ten Ps en TPs Ten rs en Tps Ten rs en es en Ps ee a a 30 30 35 40 50 Lo 3 b3 a ABE 2 3 3 2 45 E 65 185 i D 9011401190 ee Te eo tee ee ee ele tate eesti Tt tT 12 pn300 55 70 85 110 130 170 190 260 Note PN denotes the clamp force of oil cylinder when performing the leakage test PS denotes the clamp force of oil cylinder when performing the intensity test Prohibit the unprofessional person s operation the machine and any manipulation beyond the norm orover pressure is forbidden strictly HE DORY 7 Operation method Pr thel awel Before the operation please confirm the oil pump to be at the work condition pen When the machine is running continuously longer than one hour the OIL PUMP PRESSURE RELIEF should be opened to relief the pressure in the oil system of the machine 1 Loading the tested valve A Choose the suitable sealing plate and install it on the workbench
5. adjust the red needle of the ELECTRIC CONTACT PRESSURE GAUGE indicates the needed test pressure value B Choose the suitable HIGH PRESSURE WATER GAUGE used in the test open the tested valve the back seat of the tested valve can not be closed immediately and turn on the MASTER WATER INLET VALVE and RIGHT amp LEFT WATER DORY INLET VALVES close the MASTER GAS INLET VALVE and RIGHT amp LEFT PRESSURE RELIEF VALVES C Start the low pressure water pump to pour the water into the body of tested valves until the water come out from the back seat and then close the back seat of the tested valves When the low pressure water gauge is up to 15 16bar stop the low pressure water pump D Start the high pressure water pump to pressurize the water pressure in the tested valve body The high pressure water pump will stop automatically when the water pressure is up to the set pressure of ELECTRIC CONTACT PRESSURE GAUGE At that time the black needle and red needle of ELECTRIC CONTACT PRESSURE GAUGE are coincidence Note when pressurizing the operator should not leave the machine for avoiding the electric contact pressure gauge malfunction If the electric contact pressure gauge is found malfunction please push the HIGH PRESSURE WATER PUMP STOP button to stop the testing immediately E Close the MASTER WATER INLET VALVE to save water pressure in seconds and observe whether the seal face and body of tested valve non leakage whether the pres
6. and petroleum industry natural gas projects water supply and drainage engineering power plans etc 2 Structure and working principle The test bench integrates hydraulic system electro mechanical system high and low pressure supply water pump system oil water gas pressure instruments system control valves system and hydraulic medium storage and recycle water tank into a whole The machine adopts the way of clamping the flanges of the tested valves to perform test no effect of external force upon the tested valve body The clamping device is directly driven by the clamping oil cylinder of claws and the movement is composed of oil cylinder and level which realizes the claws synchronously radial movement One side of the bench can be moved thus the testing performance won t be restricted by the structural length of the tested valves The other side of the benches can be reversed by 90 degrees which is convenient for performing leakage test and air tightness test The hydraulic pressure supply water pump is driven by the hydraulic system after automatically reversing by the electric control reversing valve the high pressure water cylinder pump will automatic reciprocating movement then supply the needed test pressure through the water inlet one way valve and water outlet one way valve interconvert working storage water tank set at the bottom of the test bench make sure the liquid medium recycle DORY 3 Structure schematic diagram
7. rkbench up right 90 C Then pour the water into the upper chamber of the tested valve D Shut off the RIGHT and LEFT PRESSURE RELIEF LEFT WATER INLET VALVE and MASTER WATER INLET VALVE open the RIGHT WATER INLET VALVE MASTER GAS INLET VALVE E Supply the gas into the body of tested valve observe whether the bubble appear in the upper chamber of the tested valves and the HIGH PRESSURE WATER GAUGE is drop F After the testing shut off the MASTER GAS INLET VALVE turn on the RIGHT PRESSURE RELIEF VALVE slowly until the HIGH PRESSURE WATER GAUGE return to 0 make sure no pressure existed in the body of tested valves then push DOWNRIGHT TURNOVER button after the valve being hoisted push RIGHT CLAW LOOSEN and RIGHT CLAW BACKWARD button to relax the tested valves then the testing finished 8 Water air pipe principle figure right water pressure gauges gas inlet A master gas inlet valve X master water inlet valve left water inlet valve lefl pressure z lt 7 right pressure relief valve lt gt gt relief valve high pressure water electric contact point pressure gauge low pressure water pump one way valve 4
8. sure of HIGH PRESSURE WATER GAUGE Jmm drops to check the tested valves pressure T ae as tna performance Then the back seat and shell test is finished and continues to perform the leakage test When the test pressure is exceed the pressure gauge test range please shut off Ea the pressure gauge by turn the pressure gauge switch The high water pressure value is showed by the HIGH PRESSURE WATER GAUGE is flexible by the users The following test is example of the right side seal testing for the globe valves A Open the PRESSURE RELIEF VALVE slowly until the pressure descends to the required value of leakage testing Then close the PRESSURE RELIEF VALVE RIGHT WATER INLET VALVE B Close the tested valve C Open the LEFT WATER RELIEF VALVE until the LEFT HIGH PRESSURE WATER GAUGE to 0 push LEFT CLAW RELEASE LEFT CLAW BACKWARD and CARRIAGE BACKWARD buttons to check the RIGHT HIGH PRESSURE WATER GAUGE whether drops and the left body of the tested valves whether leaks D After the testing open the RIGHT PRESSURE RELIEF VALVE until the RIGHT HIGH WATER PRESSURE GAUGE drops to 0 then follow to perform the air tightness testing 5 Open the PRESSURE RELIEF VALVE to relief the water and air and then start the next step If not the operator would be injured badly DORY 4 Air tightness test the gas source is provided by user A Connecting to the air source B Push UPRIGHT OVERTURN button to turn the right wo
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