# Sealing disc — SD83

> For mounting a high-temperature thermocouple

- Catalog code: sd83
- Model: SD83
- Category: Temperature measurement › Accessories - Temperature
- Product page: https://avigan.com.ua/wika/en/products/sd83
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

Sealing discs are used for the sealing of thermocouples in the flange nozzle. They delay corrosion of the support tube and flange by aggressive process ...

## Applications

- Sealing of thermocouples in the flange nozzle
- Process industry: Oil and gas, petrochemical industry, chemical industry
- Sulphur recovery units (SRU)

## Special features

- Can be used with thermocouple models TC80, TC82, TC83 Calitum ® or TC84
- High thermal stability thanks to special materials
- Available for all nozzle dimensions from 4"
- For use with primary protection tube model TW83

## Specifications

| Parameter | Value |
|---|---|
| model | SD83 |
| product family | SD |
| short description | Sealing disc for high-temperature thermocouples, used in flange nozzles to prevent corrosion from aggressive process gases. |
| subcategory | Sealing disc |
| languages in datasheet | en |
| temperature ranges | 0 … 1430 °C; -273 … 1430 °C |
| probe material | Ceramic fibres; fireproof |
| has thermowell | false |
| process temp | 0 … 1430 °C |

## Documents

- [ds_ac8021_en_co_901b4e](https://avigan.com.ua/wika/docs/wika/ds_ac8021_en_co.pdf) — PDF, 607 KB, en