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OfiTE 170-181, Инструкция по эксплуатации, Страница: 24 / 34

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OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com

23

While collecting filtrate, maintain the test temperature within ± 5°F (±3°C). 

If the back pressure rises during the test, cautiously reduce the pressure 

by opening the valve on the receiver and drawing off some of the filtrate 

into the graduated cylinder.

26. After 30 minutes the test is over. Immediately close (tighten) the top and 

bottom valve stems to seal off the cell.

27. 

Allow a minimum of 5 minutes for the filtrate in the receiver to cool to 

avoid vaporizing. Collect filtrate by opening the needle valve on the re

-

ceiver and leave it open until fluid ceases to evacuate the valve.

28. 

Close (tighten) the needle valve on the receiver.

29. Turn the regulator T-screws on both the inlet and back pressure receiver 

counterclockwise until the T-screw feels “loose”. This will close off the flow 

of pressurized gas.

30. Release the pressure from the Inlet pressuring unit to the cell by opening 

the needle valve (turn counterclockwise).

31. Release the pressure from the back (bottom) pressuring unit to the receiv

-

er body by pulling outward on the knob which will open the bleeder valve.

32. Remove the top and bottom retaining pins and remove the two pressure 

assemblies. 

Take care to avoid touching the hot heating jacket, especially when re

-

moving the back pressure receiver. 

33. Open the outlet needle valve and drain any residual filtrate collected in 

the receiver into the graduated cylinder.

34. Record the total amount of filtrate collected in the graduate cylinder by 

reading from the bottom of the meniscus curve. Multiply this amount in 

milliliters by 2.

35. Allow the cell to cool to room temperature.

36. Remove the cell from the heating jacket after once again checking that 

the valve stems are tightly closed. An optional Cell Carrying Tool (#170-

40) makes this a simple and safe operation.

DO NOT remove the heated cell using pliers or an open ended wrench at

-

tached to the valve stem. This is very dangerous and could cause serious 

damage. 

Содержание 170-181

Страница 1: ...illing Fluids Testing 170 181 115 Volt 170 181 1 230 Volt Instruction Manual Updated 6 13 2019 Ver 4 OFI Testing Equipment Inc 11302 Steeplecrest Dr Houston Texas 77065 U S A Tele 832 320 7300 Fax 713...

Страница 2: ...USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 1 Intro 2 Specifications 3 Components 4 Safety 9 Quick Start 16 Operation 19 Data 26 Cell Cap Assembly 27 Maintenance 28 Diagram 32 Test Cell 32 War...

Страница 3: ...tion devices fully conform to American Petroleum Institute API specifications A complete HTHP Filter Press consists of a controlled pressure source usu ally Nitrogen pressurization or Carbon Dioxide b...

Страница 4: ...3 13 51 33 33 cm Shipping Weight 33 lb 15 kg Maximum Temperature Heating Jacket 350 F 177 C Maximum Temperature Cell 500 F 260 C Maximum Pressure Cell 5 000 psi Maximum Pressure Receiver 750 psi 5 1 M...

Страница 5: ...ure Head Assembly 143 02 12 Puncture Pin 143 02 13 O ring 143 02 14 O ring 143 03 Barrel for CO2 Cartridge 170 08 Regulator 170 20 Manifold Block 170 32 Needle Valve Male 171 23 1 Safety Pin with Lany...

Страница 6: ...115 Volt 170 01 1 Heating Jacket 230 Volt 164 32 Male Connector for Power Cable 230 Volt 170 05 Thermostat for HTHP Filter Press 50 500 170 10 Thermostat Pilot Light 170 11 Heating Element 200W Qty 2...

Страница 7: ...r Airco Regulator 1 143 01 Gauge 200 psi Bottom Connection 1 143 02 13 O ring for Puncture Pin Holder 2 143 02 14 O ring for Puncture Pin Holder Rear 2 143 05 CO2 Bulbs 8 Gram Package of 10 UN 1013 60...

Страница 8: ...nician to perform a more uniform and reproduc ible test while maintaining a high degree of safety As optional items the us age is not compulsory but consideration should be given to these items when r...

Страница 9: ...eplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 8 Thermocouple Assembly 171 45 1 Direct temperature measurement Of the fluid Inside the Cell Stand for HTHP Cell Assem...

Страница 10: ...eceiver is not required as the filtrate will not reach the boiling point However when operat ing above the boiling point of water a suitable Back Pressure Receiver is required otherwise the test fluid...

Страница 11: ...eful not to touch the outside of the jacket at any time during the heat up period or the test It is especially easy to get burned when installing or removing the Back Pressure Receiver as the technici...

Страница 12: ...l confined space Safety Retainer Pin Always use a Safety Retainer Pin with an attached lanyard and get in the habit of securing the cotter pin to the pin Improper placement of retainer pins in the pas...

Страница 13: ...d should be used for tests up to 400 F only The second set is made from Viton 90D OFITE suggests that all o rings cell caps cell bodies and valve stem are changed each time after running a test of 350...

Страница 14: ...500 psi b NPT Connections c Single stage regulator 3 Never subject the regulator to inlet pressure greater than its rated inlet pressure as shown on the regulator body 4 Do not allow oil oil bearing...

Страница 15: ...nections were loosened Brush with an approved leak detection solution and bubbles should indicate a leakage 10 An appropriately sized pressure relief device downstream of the regulator should be insta...

Страница 16: ...uge 143 01 CO2 Puncture Head Assembly 143 02 10 Barrel for CO2 Bulb 143 03 Safety Bleeder Valve 143 06 Needle Valve 170 32 1 500 psi Gauge 171 34 Manifold Block 170 20 Safety Pin 171 23 1 With Lanyard...

Страница 17: ...to the cell Leave adequate space for fluid expansion 11 Place an o ring in the groove inside the cell 12 Place a circle of filter paper on top of the o ring 13 Place an o ring in the groove around the...

Страница 18: ...release pres sure 29 Open the outlet valve on the back pressure receiver to collect all the fil trate in the graduate cylinder 30 Open needle or bleeder valves on both the top and back pressure units...

Страница 19: ...t 170 00 1 170 01 1 T Screw Needle Valve 170 32 Retaining Pin 171 23 1 With Lanyard Needle Valve 170 32 T Screw Retaining Pin With Lanyard 171 23 1 Relief Valve 143 06 CO2 Pressuring Assembly 170 04 B...

Страница 20: ...t the cell cap and cell body Discard any components that show signs of corrosion damage or wear 4 Inspect all o rings Replace any that show signs of damage or wear Looks for nicks cuts or brittle o ri...

Страница 21: ...see chart below Be careful not to spill fluid on the o ring shoulder inside the cell 13 Place an o ring in the cell and another on the cell cap 14 Place a circle of filter paper or ceramic disk on to...

Страница 22: ...s available which will directly and accurately measure the fluid temperature inside the cell 19 While the cell is heating connect the CO2 pressuring assembly to the inlet valve stem and lock it in pla...

Страница 23: ...ring the test the pressure inside the cell rises above the setpoint carefully open the needle valve on the top pressure assembly just enough to bleed off the excess pressure Then close the valve If th...

Страница 24: ...e the pressure from the Inlet pressuring unit to the cell by opening the needle valve turn counterclockwise 31 Release the pressure from the back bottom pressuring unit to the receiv er body by pullin...

Страница 25: ...he valve stem in order to catch any liquid or solids that might be ejected under pressure from the cell This will help prevent an unsightly residue build up on the ceiling which may occur over time It...

Страница 26: ...a spatula will often remove a filter and filter cake intact without losing fluid 40 Discard the fluid inside the cell unless it is required for further testing Save the filter cake for analysis 41 Cle...

Страница 27: ...is the amount of filtrate collected before the filter cake has had a chance to form and is expressed in millimeters To calculate the spurt loss use the following equation V1 2 V7 5 V30 V7 5 2 2V7 5 V...

Страница 28: ...Place the locking ring 171 190 023 around the cap 3 Place the retaining ring 130 81 040 into the groove around the outside of the cap Make sure it engages completely around the circle The cap should...

Страница 29: ...elastomers if previous test was in excess of 300 F 149 C b Clean out and blow dry if possible the back pressure receiver c Cell body must be completely cleaned with special attention to the o ring gr...

Страница 30: ...dels The Large High Pressure Concoa Regulator 805 1140 and the smaller Concoa Regulator 805 1179 both take the same Regulator Repair Kit Always replace order separately the rubber diaphragm 143 00 1 w...

Страница 31: ...ore insertion repair kit 10 Replace the brass retainer and tighten with a wrench 11 Replace the thrust plate with the curved edges downward 12 Place a new rubber diaphragm inside the Soring case 13 Re...

Страница 32: ...lace the valve Seat leak or creep Repair the regulator Inconsistent repeat readings Seat sticking Repair the regulator Bad pressure gauge Replace the gauge Gauge does not return to zero with no pressu...

Страница 33: ...Screw 171 190 023 Retaining Ring 130 81 040 Inlet End Cap 60 Mesh 171 190 031 S Cell Body 171 190 020 S Outlet End Cap 60 Mesh 171 190 030 S Retaining Ring 130 81 040 Cap Screw 171 190 023 O ring 228...

Страница 34: ...y losses or damages that occur as a result of Improper installation or maintenance of the products Misuse Neglect Adjustment by non authorized sources Improper environment Excessive or inadequate heat...

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