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Sukhum Physics Technology Institute


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Our Products


COAXIAL CERAMIC-METAL FEED-THROUGH GLANDS.

Application:

- vacuum-tube and gas-filled devices, containers and high-pressure devices.
- electro-chemical cells.
- high-temperature thermoelectric and thermionic converters.


Specification:

Gland material - iron-nickel alloys and niobium-based alloys.
Electroinsulating layer material - aluminium oxide.
Ceramic and metal layer bonding - high-temperature diffused welding (gasostatic oxide-free extrusion).




Dimensions:

internal diameter ……………(2 -5) mm;
outside diameter ……………..(5-8) mm;
minimum length …………………11mm
Ceramic layer thickness…………………(0.3 -0.5) mm.
Insulator cover electrical resistance……….not less than 1 Mohm
Insulation strength……..not less than 2 kV/mm.
Gas seal yield (helium) …not over 10-8 m3 Pa/s.
Operating temperature range from minus 50 to 200 Ñ (up to 1100 Ñ - for niobium glands). Life cycle - up to 20 years

Feed-through glands have high chemical, thermal and radiation resistance, and are resistant to shock, vibration and other types of mechanical impact.



THERMOELECTRIC BATTERY

Application:

-Radioisotope thermoelectric power generators of different purpose.


Specificaton:

-generated electric power, Wt, not less than……8.0
-operating voltage, V, not less than …………………3.5
-efficiency factor, %, not less than...............8.5
-hot temperature,х……470
-cold temperature, C ..…….90
-lifetime, years……………….15



Dimensions and weight characteristics:
-unit total height, mm………….…...24
-width, with electric outputs, mm….………60
-length, mm……………………………………........65
-battery total weight, kg, not over…………………0.36
-thermoelectric material weight, kg…………0.3




LOW-TEMPERATURE HIGH-VOLTAGE THERMOELECTRIC BATTERY

Application:

-Miniature radioisotope thermoelectric power generators of various application


Specification:

-generated electric power, Wt, …. ........0,1 ÷ 1,0
-operating voltage to generated power proportion………5 ÷15
-efficiency factor, %, not less than………………...............5
-hot temperature, х………….......………..…………………….......240 ÷ 270
-cold temperature, C……………….……40 ÷70
-lifetime,years……………..15




Dimensions and weight characteristics:
-unit total height, mm…………………….……………12 ÷22
-battery total weight, kg, not over…………………………0.5
-thermoelectric material weight, kg, not over……….…....0.45






THERMOELECTRIC MODULE

Application:

-Independent current sources using heat from nuclear, organic and other thermal sources.


Specification:

-generated electrical power, Wt……………………..100
-operating voltage, V……….7
-efficiency factor, %.................6
-hot junction temperature, х…………………450
-cold junction temperature, х…………………100
-lifetime, years……………….10




Dimensions and weight characteristics:
-internal diameter (heat pipeline),mm………………….……49
-outside diameter, mm…………………..……………............80
-length, mm………………………………………………..…78
-module total weight, kg……………………………………..1.3
Thermoelectric material weight, kg …………………………0.33





THERMOELECTRIC HIGH-VOLTAGE UNIT

Application:

-Independent current sources using heat from nuclear, organic and other thermal sources with external heating


Specification:

-generated electric power, Wt, not less than……..…30
-operating voltage, V, not less than………………3.5
-efficiency factor ,% not less than……...........6.0
-hot temperature, х………………...540
-cold temperature,Ñ..…...100
-lifetime, years………….............5
-internal and external insulator material…Õ18Í10Ò





Dimensions and weight characteristics:
-internal diameter (internal insulator), mm………….…..……..40
-external diameter,(external insulator), mm……………………..80
-length, mm………………………………………………...............62
-unit total weight, kg, not over..…………………………………0.7
-thermoelectric material weight, kg…….………..……………..0.25













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