name
Danfoss STC 20M 148B4647 Stop Valve, DN20, PS25, 3/4" Butt Weld-Metric AnglewayDescription
The Danfoss STC 20M (148B4647) is a heavy-duty angle stop valve designed for industrial refrigeration systems. With a nominal diameter of DN20 and a pressure rating of 25 bar, it features an angleway flow path for compact L-type installations and reliable shutoff performance. Equipped with a handwheel for manual operation and 3/4" metric butt weld connections, this valve is compatible with ammonia and fluorocarbon refrigerants. Manufactured in China, it is ideal for cold storage, chillers, and industrial refrigeration applications.
Product Details
Danfoss STC 20M (148B4647) Stop Valve
Key Features & Benefits
High Pressure Rating: Rated for a maximum working pressure of 25 bar (PS25), suitable for most industrial refrigeration system pressures.
Angleway Design: The 90-degree angle configuration simplifies installation in tight spaces or L-shaped piping layouts, reducing piping complexity.
Metric Butt Weld Connections: 3/4" metric butt weld connections simplify integration into refrigeration piping systems, ensuring leak-free performance.
Handwheel Operation: A large, ergonomic handwheel allows for easy manual opening and closing, even under high pressure conditions.
Multi-Refrigerant Compatibility: Compatible with ammonia (NH3) and common fluorocarbon refrigerants, offering versatility across different system designs.
Durable Construction: Manufactured to strict Danfoss quality standards, ensuring long service life and reliable performance in harsh industrial environments.
Application Scenarios
Industrial refrigeration systems and ammonia plants
Cold storage warehouses and walk-in freezers
Water chillers and process cooling systems
HVAC&R system maintenance and isolation
Piping networks requiring reliable manual shutoff valves
| Parameter | Specification |
|---|---|
| Brand | Danfoss |
| Series | STC |
| Model Number | STC 20M |
| Part Number | 148B4647 |
| Product Type | Industrial Refrigeration Angle Stop Valve |
| Nominal Diameter (DN) | DN20 (3/4") |
| Maximum Working Pressure (PS) | 25 bar |
| Connection Type | 3/4" Metric Butt Weld |
| Operation Type | Handwheel Operated |
| Body Design | Angleway (90°) |
| Compatible Refrigerants | Ammonia (NH3), Fluorocarbons |
| Origin | Made in China |
| Application | Industrial Refrigeration, Cold Storage, Chillers, HVAC&R Systems |
More Products
Danfoss STC 20A Stop Valve 148B4603, DN20, PS25, 3/4" Butt Weld Angleway
Danfoss STC 50A 148B4611 Stop Valve, DN50, PS25, Butt Weld-ANSI Angleway, Made in China
