175 mL units to a useful working temperature of 300°F (149°C). Anyone running tests above 350°F (177°C) must substitute a com- plete set of o-rings after each and every test. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
HTHP Filter Press and especially when one is going to extreme temperatures and pressures. Above 350°F (176°C) All o-rings must be re- placed after each and every test. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
Page 10
The temperature of the fluid inside the cell however will not be at the set tem- perature, so always allow one hour of heating time for the fluid, after the cell has been fully inserted into the heating jacket. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
Page 11
HTHP filtration. Under high tempera- tures and pressures, Nitrous Oxide can detonate in the presence of grease, oil or carbonaceous material. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
Page 12
1" (2.5 cm) 115 mL Not Recommended- Oil-based drilling fluid. > 350°F (176°C) Use 500 mL Cell Void Space in a 1,500 PSI rated cell body OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
21. Connect the back pressure receiver to the bottom valve stem and secure it with the safety pin. 22. Connect a Nitrogen cylinder to the dual Nitrogen manifold. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
Page 14
36. Unscrew the outlet cell cap. 37. Wash the filter cake and record the thickness to the nearest 1⁄32". 38. Clean and dry all components. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
Page 15
(#171-10) Nitrogen Manifold (#171-24) Regulators Nitrogen Connection Manifold Block (For Inlet Pressure) Male End of (#170-20) Hose (For Back Pressure (⅛") Nitrogen Manifold (#171-24) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
7. Make sure all threads are clean and free of debris. 8. Apply anti seize compound (#165-44-2) to the threads of the cell locking rings and valve stems. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
Page 17
19. Move the thermometer from the heating jacket to the hole in the test cell. Allow the cell to heat for one hour. Start a 60 minute timer now. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
Page 18
Recommended Minimum Back Pressure Test Temperature Vapor Pressure Minimum Back Pressure °F °C 14.7 1,104 1,704 1,898 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
Page 19
The heating jacket will still be very hot. Be careful not to touch it while removing the back pressure receiver. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
41. Clean and dry the apparatus thoroughly after each use. Inspect all of the o-rings and replace any that show signs of wear or damage. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
“zero mark” at the very edge of the ruler is useful here. Cake descrip- tions may be subjective and such notations such as hard, soft, rubbery, and fine, etc. convey adequate information on cake quality. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
(#171-190-040) and screw it into the port. Locking Ring Retaining Ring Rupture Disk (#171-190-023) (#130-81-040) (#171-190-027) Rupture Disk Retaining Ring Locking Ring O-ring OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
Replace the thrust plate with the curved edges downward. Place a new rubber diaphragm inside the spring case. m. Replace the spring case and hand tighten. #143-07 with #143-00-1 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
In the event that OFITE is requested to provide customized research and development for the buyer, OFITE shall use its best efforts but makes no guarantees to the buyer that any products will be provided. OFITE makes no other warranties or guarantees to the buyer, either express or implied, and the warranties...
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