Richter

Richter – HV Fully Lined Bellows Sealed Valve

Leak-tight isolation and control for chlorine and hazardous chemical service. The Richter HV-HVR bellows sealed shut-off and control valve is designed to provide zero external leakage and reliable performance in chlorine and hazardous chemical applications....

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About Richter – HV Fully Lined Bellows Sealed Valve

Leak-tight isolation and control for chlorine and hazardous chemical service.

The Richter HV-HVR bellows sealed shut-off and control valve is designed to provide zero external leakage and reliable performance in chlorine and hazardous chemical applications. The bellows sealed stem design eliminates fugitive emissions, making it suitable for environments where process safety, environmental compliance, and operator protection are critical.

In chlorine and hazardous chemical processing, valve performance is directly linked to plant safety, environmental compliance, and operational reliability. Even minimal leakage can result in serious safety risks, regulatory breaches, and production losses. The Richter HV-HVR valve addresses these challenges through a hermetically sealed bellows system that prevents process media from escaping to atmosphere.

The valve is designed to perform both shut-off and control functions, allowing a single valve solution across multiple applications. This supports standardisation and simplifies plant design in chemical processing environments.

The construction is suited to corrosive and aggressive media, ensuring consistent performance over time. This contributes to improved plant uptime and reduced maintenance requirements in demanding applications.

For technicians, engineers and production managers, this means:

Eliminates fugitive emissions through bellows sealed stem design, ensuring zero external leakage
Improves safety when handling chlorine and toxic gases
Supports compliance with emissions and environmental regulations
Combines isolation and control using a dual-function valve design
Performs reliably in corrosive chemical service
Maintains stable operation with accurate flow control
Reduces lifecycle costs through extended service intervals

Zero leakage. Emissions control. Reliable operation in hazardous service.

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Valve Repair Services

Series	HV / HVR
Design	Bellows sealed globe valve for shut-off (HV) and control (HVR) applications, designed for hazardous, toxic and environmentally critical media, ensuring zero stem leakage.
Features	Multi-ply PTFE-lined bellows system – Provides hermetic sealing and prevents fugitive emissions Fully lined wetted parts (PFA/PTFE) – Protects against highly corrosive media Zero-emission stem sealing – No leakage to atmosphere Integrated secondary packing – Backup sealing system for additional safety Metal back seat – Enables maintenance under controlled conditions Corrosion-resistant internal design – Suitable for aggressive chemical service Control and shut-off capability – One platform for isolation and regulation
Size Range	DN 15 – 150 (½” – 6”)
Pressure Rating	PN 16 / PN 25 (depending on configuration)
Temperatures	-40°C to +150°C (media and lining dependent)
End Connections	Flanged
Body Materials	Ductile iron or cast steel body Fully lined with PFA or PTFE
Seat Materials	PTFE / PFA lined seating system
Plug Materials	PTFE / PFA lined plug Optional corrosion-resistant alloys for specific duties
Options & Accessories	Position indicator Locking device Manual or automated actuation Control trim options (HVR version) Special linings for specific chemicals Oxygen / chlorine cleaning (where required)
Applications	Chlorine service (wet and dry) Hydrogen chloride (HCl) Aggressive acids and corrosive media Chemical processing plants Vinyl chloride (VCM) / EDC environments Hazardous and toxic media handling Emission-critical applications