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- Languages
- ZH
- Last added
- 2026-09-29
Featured Reliable manuals
Reliable E-type Alarm Check Valve 4"/6"/8" Installation, Operation and Maintenance Manual
The Reliable E-type alarm check valve is designed for fire sprinkler wet‑pipe systems and is available in 4", 6" and 8" (100 mm, 150 mm, 200 mm) sizes. It can be equipped with E‑3 variable‑pressure or constant‑pressure core assemblies and meets UL, FM and other fire‑protection certifications.
The document covers valve overview, core‑assembly description, step‑by‑step installation for vertical and horizontal mounting, operation guidelines, routine maintenance, testing procedures, troubleshooting of false or intermittent alarms, and a complete parts list with ordering numbers. This manual is written in Chinese.
Covers: Overview · Core Assembly Description · Installation Procedures · Operation Guidelines · Maintenance and Testing · Troubleshooting
Latest Reliable manuals
Reliable E-type Alarm Check Valve 4"/6"/8" Installation, Operation and Maintenance Manual
Service Manual 10 pages · 1.4 MB · ZHThis manual provides installation, operation, maintenance and troubleshooting instructions for Reliable's E-type alarm check valves in 4", 6" and 8" sizes.
Which document do I need?
Service Manual
Disassembly, diagnostics and part numbers, for repair.
Questions answered in Reliable manuals
What is the rated working pressure of the valve?
The valve is rated for a working pressure of 175 psi (12.1 bar).
How often should the valve be inspected and tested?
NFPA 25 requires at least an annual inspection, testing, cleaning and part replacement as needed.