GB/T 25844-2010Field analyzer house system in process (English PDF)

1 Scope

This standard specifies the classification system sets cabin site analysis, testing methods, inspection rules and signs, packaging, transportation and storage.

This standard applies to A-type (basic type), B-type (reinforced insulation type), C-type (enhanced explosion-proof type) Complete cottage site analysis system (in

Hereinafter referred to as cottage system).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 3765-2008 bite type tube fittings

GB 3836.1 Electrical apparatus for explosive gas atmospheres - Part 1. General requirements

GB/T 8464-2008 iron and brass screw valves

GB/T 9112-2000 Types and parameters for steel pipe flanges

GB/T 13306-1991 signage

HG/T 20508 control room design requirements

HG/T 20509 power meter design requirements

HG/T 20510 Meter supply design requirements

HG/T 20511 alarm signal, safety interlock system design requirements

HG/T 20512 meter pipe line design requirements

HG/T 20513 instrument system grounding design requirements

HG/T 20514 instrument and piping heat tracing and insulation design requirements

HG/T 20516 analyzer room design requirements

SH3063 Petrochemical Enterprises combustible gases and toxic gas detection and alarm design specifications

3 Product Categories

Hut system consists of the following three models. A type (basic type), B-type (reinforced insulation type), C-type (enhanced explosion-proof).

A type (basic type) are applied to the cumulative mean annual average temperature of the coldest month is higher than 0 °C, the hottest month average temperature below 25 °C in gently

Hut system type area and the cumulative annual average temperature of the coldest month is higher than -10 °C cold areas.

Type B (reinforced insulation type) refers to the applicable average temperature of the coldest month is less than or equal to the cold area of -10 °C and accumulated in the cumulative annual

Hut system type warmest month average temperature is above 25 °C hot summer areas.

Type C (enhanced explosion-proof type) refers to positive pressure ventilation by taking special security measures to improve its overall explosion-proof cabin type system performance.

4 Requirements