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1. They criticized the lack of an automatic shut-off mechanism in the cooling system.

2. If the patient seems insensible to trouble on the track, be sure that he has a feeling shut-off.

3. Shutoff control is by means of an adjustable spring.

4. NOTE: Diverter style valve has no shutoff on branch.

5. The most economical mechanism for tight shutoff is the impactor handwheel.

6. Newly developed water shutoff agents are colloidal dispersant gel ( CDG ), new precipitation type and complex type.

7. Automatic shutoff power semiconductor widely applied in electric circuit such as SM's power, ac variable-frequency power etc. But burning tube often affected its reliability.

8. Weather succeed or not in oil well water shutoff is affected by many facts.

9. Through automatic shutoff apparatus operation, circuit design and test, the paper analyzed the main reason of burning tube and key technique of developing reliability.

10. To test for a leaky No.2 shutoff, use the following procedure.

11. Close shutoff No. 1. Slowly open bleed "B" until differential gauge rises to 2 PSI and close. If the differential reading does not decrease, record check valve as "tight".

12. These resins may be used in water shutoff profile control, pealing pipe line, dewatering of oil product and crude oil, and sewage disposal etc. in petroleum industry.

13. Precision machined tilting disc and seat for tight shutoff in reverse flow direction.

14. Positive shutoff with visual or remote proof of seat tightness.

15. Slowly open upstream shutoff and allow the backflow preventer to fill slowly.

16. In this paper, we have studied the blocking agent optimization, water shutoff mechanism,[Sentencedict.com ] and water technology of micro-coil for oil well of low production.

17. Petroleum machinery equipment, gas - oil separation pump, vane pump, gas - oil separator, automatic nozzle, emergency shutoff valve.

18. Alkaline silicic acid gel is an important agent used for water shutoff in oilfield. It can be prepared by adding the activator to the water glass under alkaline condition.

19. The test cock is on the inlet side of the shutoff valve.

20. GTO is conventionally driven on a high enough amplitude and steepness with its current leading edge of drive circuit, which applies positive gate current for openness and negative current for shutoff.

21. Cross-linked polymer gel has unique structure and excellent performance, and due to this it has now most often been used in water shutoff and profile control in domestic and overseas oilfields.

22. Pacific globe valves are available with a choice of disc types to meet specific shutoff and throttling applications. See service recommendations (page 32) for throttling applications.

23. This feature "block and bleed" may be important as its use can show whether the valves are providing liquid-tight shutoff of fluid flow.

24. Reset Button - After operating from high temperature, the gas shutoff must be manually reset ( opened ).

25. Disc? machined seating surface is mated to seat ring for positive shutoff.

26. Especially, toward high salinity oil well, exploiting salt - tolerance water shutoff agent particularly attaches most importance.

27. To provide a combustion apparatus capable of keeping safety even if a gas leakage occurs from a gas shutoff valve to the outside of a gas supply passage.

28. Production theory and processes of modified urea-formaldehyde resin used in oil well water shutoff and some influence on product performance resulted by main factor in the production are introduced.

29. Unless otherwise indicated, the fabricator shall install all in-line devices, control panels, and process taps up to and including the primary shutoff valve.

30. Because of the feature of low cost and disproportional permeability reducing for oil and water, Gel is suitable for bullheaded water shutoff.