Danfoss STC 20A Stop Valve 148B4603, DN20, PS25, 3/4" Butt Weld Angleway
The Danfoss STC 20A (148B4603) 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" butt weld connections, this valve is compatible with ammonia and fluorocarbon refrigerants. Manufactured in India, it is ideal for cold storage, chillers, and industrial refrigeration applications.
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Product Overview
Danfoss STC 20A (148B4603) 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.
3/4" Butt Weld Connections: Standard 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 20A |
| Part Number | 148B4603 |
| Product Type | Industrial Refrigeration Angle Stop Valve |
| Nominal Diameter (DN) | DN20 (3/4") |
| Maximum Working Pressure (PS) | 25 bar |
| Connection Type | 3/4" Butt Weld (ANSI) |
| Operation Type | Handwheel Operated |
| Body Design | Angleway (90°) |
| Compatible Refrigerants | Ammonia (NH3), Fluorocarbons |
| Origin | Made in India |
| Application | Industrial Refrigeration, Cold Storage, Chillers, HVAC&R Systems |
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