Description
Crane D171 Bronze Ball Valve
PN25 Bronze Ball Valve for Reliable Isolation in Water and HVAC Systems
The Crane D171 Bronze Ball Valve is a high-quality quarter-turn isolation valve designed for commercial, industrial, and public health applications. Manufactured from durable bronze and rated to PN25, the D171 provides dependable shut-off performance, low operating torque, and a long service life. Its compact design and threaded connections make installation quick and simple for a wide range of water distribution and HVAC systems. The D171 and selected variants are WRAS approved, making them suitable for potable water installations.
Key Features
- Bronze full-port ball valve
- Pressure rating: PN25
- Size range: 1/4″ to 2½”
- Quarter-turn operation
- Full-bore design for low pressure loss
- Bronze body construction
- Threaded BSP taper ends to BS EN 10226-2 (ISO 7-1)
- Robust blow-out proof stem
- PTFE seats for reliable sealing
- Low operating torque
- Compact and lightweight design
- WRAS approved (D171 and D171EXS variants)
- BIM and CAD files available for engineering projects.
Benefits
Reliable Isolation
The D171 provides fast and secure shut-off with only a 90° handle rotation, making it ideal for maintenance isolation and routine system operation.
Durable Bronze Construction
The bronze body offers excellent corrosion resistance in heating, cooling, and water distribution systems, ensuring reliable long-term performance.
Minimal Pressure Loss
Its full-bore flow path minimizes pressure drop and maintains efficient system performance, especially in HVAC and water services.
Easy Installation
Compact dimensions and threaded BSP taper connections simplify installation and replacement in both new and retrofit projects.
Certified for Potable Water
Selected D171 models carry WRAS approval, making them suitable for domestic and commercial potable water applications while complying with UK water regulations.
Typical Applications
The Crane D171 is widely used in:
- HVAC heating systems
- Chilled water systems
- Potable water distribution
- Commercial plumbing
- Industrial water services
- Mechanical plant rooms
- Building services
- Pump isolation
- Heat exchanger connections
- Public buildings
- Hospitals
- Hotels
- Schools
- Industrial process utilities.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Crane Fluid Systems |
| Model | D171 |
| Product Type | Bronze Ball Valve |
| Valve Type | Full-Bore Quarter-Turn Ball Valve |
| Size Range | 1/4″ – 2½” |
| Pressure Rating | PN25 |
| Body Material | Bronze |
| Ball Material | Chrome-Plated Brass |
| Seat Material | PTFE |
| Stem Type | Blow-Out Proof |
| End Connection | BSP Taper Threaded to BS EN 10226-2 (ISO 7-1) |
| Operation | Lever Handle, 90° Quarter Turn |
| Approval | WRAS (selected models) |
| Applications | Water, HVAC, Plumbing, Industrial Services |
Why Choose the Crane D171?
The Crane D171 Bronze Ball Valve combines proven durability, dependable sealing, and easy operation in a compact design. Its bronze construction, full-bore flow path, and PN25 pressure rating make it suitable for demanding HVAC, plumbing, and industrial water applications. With WRAS-approved variants, threaded BSP connections, and comprehensive engineering resources including BIM and CAD files, the D171 is a trusted choice for consultants, contractors, and facility managers seeking reliable isolation valves with long service life.









