Hydrogen sulfide gas packaging and accessories domestic use reference version

Hydrogen sulfide gas packaging and accessories domestic use reference version

1. Packaging container classification and national application scenarios

1. Portable cylinders (GB/T 5099.1-2017)

General specifications and parameters

Domestic specific requirements

• Color mark: bottle body white, ring color band yellow (GB 7144-2016)

• Interface standard: PZ19.2 internal thread (replaces some imported CGA interfaces)

• Filling restrictions: hydrogen sulfide filling factor ≤ 0.6kg/L (TSG 23-2021)

2. Fixed pressure vessels (GB/T 5100, TSG 23)

2. Domestic configuration standards for valve systems

1. Special valve for cylinder

QF-011-150P type (domestic mainstream model)

• Material: Valve body 316L, sealing surface overlayed with Stellite alloy

• Interface: Inlet PZ19.2 internal thread, outlet W21.8-14 left-hand thread (GB/T 8335-2018)

• Safety device: built-in bursting disc (burst pressure 22MPa)

3. Domestic selection guide for safety accessories

1. Pressure reducing device

YQAr-731L pressure reducing valve (domestic standard)

• Input pressure: 0~20MPa

• Output pressure: 0~1.6MPa (continuously adjustable)

• Certification requirements: need to pass TSG ZF001 type test

2. Monitoring and alarm equipment

Device name

Hydrogen sulfide detector

Technical requirements

Measuring range 0-100ppm, accuracy ±5%FS

Implementation standards

GB 12358-2022

4. Domestic storage and transportation specifications

1. Storage requirements

• Warehouse conditions: Fire resistance level ≥ Level 2, keep a distance of ≥ 15m from the fire source (GB 50016-2014)

• Stacking restrictions: cylinders should be fixed upright, stacking height ≤ 2 layers; pressure vessels arranged in a single row, spacing ≥ 1.5m

• Ventilation requirements: Air changes ≥12 times/h (GBZ 2.1-2019)

2. Transportation Management

• Vehicle qualification: "Road Transport Operation License" (Dangerous Goods Category 2) is required

• Escort requirements: 2 certified escorts (JT/T 617.3-2018)

• Route restrictions: avoid densely populated areas, speed ≤ 60km/h (GB 4387-2005)