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Related Manuals for OfiTE 150-50
Summary of Contents for OfiTE 150-50
- Page 1 Differential Sticking Tester Part No. 150-50 Instruction Manual Updated 5/29/2009 Ver. 2.0 OFI Testing Equipment, Inc. 11302 Steeplecrest Dr. · Houston, Texas · 77065 · U.S.A. Tele: 832.320.7300 · Fax: 713.880.9886 · www.ofite.com Copyright OFITE 2011 ©...
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Page 2: Table Of Contents
Test Procedure ..................6 Timed Filtration ................6 Fixed Cake Thickness..............11 Disassembly..................12 Theory....................13 Example ..................15 Worksheet ..................16 Maintenance..................17 Diagrams ...................18 Full Unit ..................18 Cell Assembly ................19 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 3: Intro
For convenience a stainless steel carrying case is available as an optional item. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 4: Components
2½" (6.35 cm) Filter Paper; Specially Hardened for Filter Presses #170-35 6" Adjustable Wrench #170-44 ½" Rubber Foot; Qty: 4 #171-79 ¼" Hex Wrench OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 5 2½" (6.35 cm) Filter Paper; Specially Hardened for Filter Presses; Qty: 5 #170-23 60-Mesh Screen; Qty: 8 #171-22 Retainer Pin; Qty: 2 #171-79 ¼" Hex Wrench OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 6: Safety
PSI (3,450 kPa). When de-pressurizing, shut off the pressure supply, then bleed off the system of pressure with the valve, and finally back out the regulator T-screw. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 7: Test Procedure
Allen Screws O-ring Cell Bottom Inner Cap - Bottom Inner Cap - Top Inner Cap Cell - Inside Retaining Ring OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 8 9. Inspect the o-rings on the valve stems and replace any that show signs of wear or damage. Screw one of the valve stems into the hole in the base of the test cell and hand tighten. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 9 This will pro- vide more space for the torque lever. Spanner Wrench Lever Arm OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 10 50 to 80 pounds (23 to 36 kg) of force on the end of the lever. Lever Arm Torque Plate Stem OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 11 29. Repeat the torque measurements three to six times, allowing 30 sec- onds between each check. Record each reading. 30. Calculate the average torque reading and record the plate sticking time. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 12: Fixed Cake Thickness
If the radius is equal to 1", record the average edge height for use in the calculations later. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 13: Disassembly
12. Remove the cell from the stage and thoroughly clean all parts. Polish any surface where corrosion is noted. 13. Check all o-rings for damage or wear and replace as needed. Lubricate all o-rings with grease. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 14: Theory
This assumes that a pressure of 477.5 PSI was used during the test. = 1,500 × r If you are considering edge effects: = 1500 × (1 + 4/3h) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 15 0 or 3.14 in (r = 1) and not a variable. Note OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 16: Example
(smoothed dome area) is measured at 1.57" (3.95 cm) diameter, which gives a radius of 0.785" (1.98 cm). Therefore, (using inch dimensions): = (.001 x 39.3) / (.785) = 0.081 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 17: Worksheet
3. For tests using the yoke attachment, the cake thickness before sticking should be recorded, and the data in 1, 2a and 2b above apply. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 18: Maintenance
A small drill or wire may be used to insure that both the cross-bore and the main passage openings are clear. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 19: Diagrams
Retainer Pin (#171-22) Socket (#150-57) Valve Stem (#170-16) Test Cell O-ring (#150-56) Torque Plate (#150-58 / #150-59) Cell Assembly (See Page 19) Valve Stem (#170-16) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 20: Cell Assembly
Cell Assembly Retainer Wrench (#150-55) Retaining Ring Plastic Gasket (#150-53) Neoprene Gasket (#150-52) Locking Mesh Disk (#150-51) Filter Paper (#170-19) Inner Cap with Screen (#150-50-5) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...