Abstract: The present invention is to a protective valve cap and a valve cap assembly. The protective valve cap secures and protects a valve and a valve cap during shipping and manufacturing of the assembly of parts comprising the valve and a valve cap assembly. The protective valve cap has a first end comprising a cylinder having a diameter and a length to fit inside and substantially secure the valve cap, a second end comprising an open cylinder having a diameter and a length to fit over and substantially secure an end of a valve that engages the valve cap, and an interferant structure, preferably a solid wall structure, integrally formed with and disposed between the ends and having a diameter larger than the ends.

Abstract: A radial reactor for utilization for catalytic reactions of gaseous or liquid feedstreams including an annular catalyst bed, wherein the material contained within the catalyst bed includes an active catalyst material, contained within an outer ring-shaped layer of the catalyst bed, and a generally inert material, contained within an inner ring-shaped layer of the catalyst bed, wherein the generally inert material includes a potassium-containing compound, such as potassium oxide, hydroxide, carbonate or bicarbonate.

Abstract: A method for producing a catalyst for use in the dehydrogenation of ethylbenzene to styrene is disclosed. The catalyst of the present invention comprises a high purity metal and at least one promoter in the form of solid oxides, oxide hydrates, hydroxides, hydroxycarbonates or metals. The catalyst is prepared via a method which comprises the preparation of at least one high purity iron precursor with or without an additional support material and which uses a nominal amount of water in the catalyst production. The catalyst pellets prepared with the high purity metal precursor are essentially free of sulfur and chloride contaminants.

Abstract: A method for producing a catalyst for use in the dehydrogenation of ethylbenzene to styrene is disclosed. The catalyst of the present invention comprises a high purity metal and at least one promoter in the form of solid oxides, oxide hydrates, hydroxides, hydroxycarbonates or metals. The catalyst is prepared via a method which comprises the preparation of at least one high purity iron precursor with or without an additional support material and which uses a nominal amount of water in the catalyst production. The catalyst pellets prepared with the high purity metal precursor are essentially free of sulfur and chloride contaminants.

Abstract: An electrical connector (12) includes an inner housing (14) having a terminal (30) disposed therein; and an elastomeric outer housing (50) disposed around the inner housing (14) and having at least one sealing member (56) that extends around a peripheral surface of the outer housing (50) and a retention member extending outwardly from the surface. Upon mating with the complementary connector (70), the outer housing (50) provides both the sealing of and retention for the mated connector assembly (10).

Abstract: A radial reactor for utilization for catalytic reactions of gaseous or liquid feed streams including an annular catalyst bed, wherein the material contained within the catalyst bed includes an active catalyst material, contained within an outer ring-shaped layer of the catalyst bed, and a generally inert material, contained within an inner ring-shaped layer of the catalyst bed, wherein the generally inert material includes a potassium-containing compound, such as potassium oxide, hydroxide, carbonate or bicarbonate.

Abstract: A process for the nonoxidative dehydrogenation of an alkylaromatic feed stream wherein the feed stream is passed through a radial reactor containing nonoxidative dehydrogenation catalysts, wherein the nonoxidative dehydrogenation catalysts are arranged in vertically layered beds within the radial reactor, and wherein the nonoxidative dehydrogenation catalysts include at least a first and a second nonoxidative dehydrogenation catalyst, wherein at least one of the nonoxidative dehydrogenation catalysts has a different performance and/or operating characteristic than at least one of the other nonoxidative dehydrogenation catalysts.

Abstract: A radial reactor for utilization for catalytic reactions of gaseous or liquid feed streams including a vertical, annular catalyst bed, wherein the material contained within the catalyst bed includes an active catalyst material, contained within an outer ring-shaped, vertical layer of the catalyst bed, and an inert material, contained within an inner ring-shaped, vertical layer of the catalyst bed.

Abstract: A process seal made of a material such as polytetrafluoroethylene is used as a microwave window in a radar tank level gauge. The periphery of the process seal is surrounded by a metal containment ring that is fitted to the periphery to limit the amount of expansion outwardly of the process seal material as well as provide for localized loading at the periphery for clamping pressures on the seal. Electromagnetic radiation shielding is provided not only by the containment ring, but also by an EMI shielding O-ring mounted in a groove on a sealing end of the containment ring. A process environmental O-ring is carried by the process seal in an outer shoulder groove that is enclosed by the containment ring.

Abstract: A catalyst for the production of alkenylaromatics from alkylaromatics, wherein the catalyst is predominantly iron oxide, an alkali metal compound and a small amount of a source for palladium or platinum. Additional components of the catalyst may include compounds based on cerium, molybdenum, tungsten and other such promoters. Also a process for the production of alkenylaromatics from alkylaromatics using this catalyst.

Abstract: An explosion proof electrical feedthrough assembly is provided in a process variable transmitter which has a sensor sensing a process variable and providing a sensor output signal indicative of the process variable. The transmitter also includes a processing circuit coupled to the sensor to receive the sensor output signal and provide a transmitter output signal based on the sensor output signal. The feedthrough assembly includes a terminal block which is coupled to the processing circuit and includes power supply terminal connectors and communication signal connectors. The communication signal connectors are arranged generally radially about the power supply terminal connectors.

Abstract: Catalysts found to be particularly effective in the dehydrogenation of alkyl aromatics, for example ethylbenzene to styrene, where the catalysts include iron oxide, 12 to 30% of an alkali metal compound, 3 to 7% of a cerium compound, 1.5 to 6.0% of a molybdenum compound and 1 to 8% of a calcium compound. Catalyst can also include 0 to 8.0% of a chromium compound.

Abstract: An electrophotographic printing machine in which an arcuate screen member has a plane of curvature substantially normal to the plane of curvature of an arcuate photoconductive member employed therein.