Manual valve HTD series

shut-offbleeddrain

Product Overview
The HTD Test and Drain Valve is a compact three-in-one valve combining shut-off, test and drain functions for wet pipe fire sprinkler systems. UL Listed and designed to meet NFPA requirements, it provides a space-saving alternative to multi-valve assemblies while enabling visual flow verification through an integrated sight glass.

Manufacturer / Compliance
Manufactured under the Hants sub-brand. The valve is UL Listed and engineered to satisfy NFPA requirements for test and drain devices used in fire protection systems.

Images & Drawings
Product images and a technical drawing are provided to illustrate valve configuration, typical installation on a sprinkler riser and recommended piping arrangement (refer to visuals on the product page).

Applications

• Wet pipe fire sprinkler risers for flow testing via sight glass
• Fire protection systems requiring combined test and drain functionality
• Replacement of multi-valve assemblies (ball valve + test orifice + drain)
• High-rise, commercial and residential buildings with sprinkler protection
• Industrial facilities, warehouses, hospitals and public buildings

Key Features and Benefits

• UL Listed — designed to meet NFPA test and drain requirements
• Three-position design: OFF / TEST / DRAIN in a single compact valve
• Integrated tamper-resistant test orifice with sight glass for visual flow verification
• Space- and cost-saving alternative to separate valve assemblies
• Bronze body construction suitable for long service life in fire systems
• Compact form factor for straightforward installation and retrofit

Frequently Asked Questions (FAQ)

• Q: Is the valve NFPA compliant? A: Yes. The HTD model is UL Listed and meets NFPA requirements for test and drain valves.
• Q: How does this differ from a standard ball valve? A: The HTD provides three distinct positions (OFF / TEST / DRAIN) and an integrated sight glass with test orifice, unlike a standard ball valve.
• Q: What is the purpose of the test and drain valve? A: It allows verification of water flow through the sight glass and provides a quick drain function for maintenance or system operations.
• Q: Where is the valve typically installed? A: It is normally installed on sprinkler risers or wet pipe systems where testing and drainage are required.

Technical Specifications

• Model: HTD
• Brand / Sub-brand: Hants
• Material: Bronze
• Size & Connection: Threaded 1"–2"
• Working Pressure: 300 psi
• Valve Standard: —
• Certification: UL (designed to satisfy NFPA requirements)
• Functions: OFF / TEST / DRAIN (3-in-1)
• Integrated test orifice with sight glass