The ZGB-III threaded flame arrester is a small-bore flame arrestor safety device with threaded connections, installed on flammable gas vent lines, instrument air piping, or small tank breather lines. It features an internal stainless steel corrugated plate flame arrestor element, utilizing the tiny gaps between the corrugated plates to quench flames, effectively preventing external flame propagation to upstream equipment or tanks. This flame arrester offers a compact structure and convenient installation. Its core purpose is to provide reliable flame arrestor protection for instrument vent systems, small storage tanks, gas pipeline branches, and laboratory gas lines, suitable for small-bore DN15 to DN50 pipelines requiring explosion-proof flame arresting.

Product Drawing of ZGB-III threaded flame arrester

Features:

1. Threaded connections for easy installation: Standard female or male threads (such as NPT, G, M threads) allow direct screwing into pipeline or equipment ports without flange welding, ideal for small-bore piping.

2. Corrugated plate flame arrestor element: Alternately wound multi-layer stainless steel corrugated and flat strips form uniform narrow passages, providing high flame arresting efficiency with low pressure drop.

3. Bidirectional flame arresting: Capable of blocking flame propagation from either direction, suitable for small gas pipeline systems where combustion may initiate from either side.

4. Compact structure and light weight: Small size and light weight make it ideal for space-limited installations such as instrument cabinets, small tanks, or skid-mounted equipment.

5. Corrosion and high temperature resistance: Element and housing made of 304 or 316L stainless steel, resistant to corrosive gas environments and short-term high-temperature flame impact.

6. Easy maintenance: The flame arrestor element can be extracted from the housing for periodic cleaning of carbon deposits or impurities; threaded connections facilitate disassembly without special tools.

7. Code compliant: Designed and manufactured according to GB 5908, ISO 16852 and other standards, meeting fire and explosion protection requirements for small-bore flame arresters.