482 Flanged Stainless Steel Pressure Reducer

Technical Specifications
| Code | PRV 482 |
| Application | Water, Air, other liquids and gases |
| Body Material | Stainless Steel |
| Connection | Flanged |
| Diaphragm/Bellows | EPDM / Viton (FKM) |
| PN (Pressure Rating) | 40 |
| Sizes (DN) | 15 – 100 |
| Adjustment Range (Bar) | 0.5-2 / 1-8 / 5-15 |
| Temperature (°C) | -20 °C … +120 °C |
| Options | ANSI Flanged |
This valve is widely used in industrial facilities for water (95°C), natural gas, and compressed air systems. It is manufactured entirely from stainless steel, from the body to the spring housing. It withstands up to 25 bar inlet pressure and precisely stabilizes outlet pressure within the 1–7 bar range, offering long service life with high corrosion resistance.
681 Threaded Bronze Pressure Reducer

Technical Specifications
| Code | PRV 681 |
| Application | Water, Air, other liquids and gases |
| Body Material | Bronze |
| Connection | Threaded |
| Diaphragm/Bellows | EPDM / Viton (FKM) |
| PN | 40 |
| Sizes | ½” – 2″ |
| Adjustment Range | 0.5-2 / 1-8 / 5-15 |
| Temperature | -10 °C … +95 °C |
| Options | Union, Female Thread |
The body and spring housing are made of high-quality brass, while internal components such as the spring and strainer are made of corrosion-resistant stainless steel. Suitable for water, compressed air, and natural gas systems up to 95°C. It withstands up to 25 bar inlet pressure and allows precise outlet adjustment between 1–7 bar.
682 Flanged Bronze Pressure Reducer

Technical Specifications
| Code | PRV 682 |
| Application | Water, Air, other liquids and gases |
| Body Material | Bronze |
| Connection | Flanged |
| Diaphragm/Bellows | EPDM / Viton (FKM) |
| PN | 40 |
| Sizes | 15 – 100 |
| Adjustment Range | 0.5-2 / 1-8 / 5-15 |
| Temperature | -20 °C … +120 °C |
| Options | ANSI Flanged |
The body and spring housing are made of durable brass, while internal parts are stainless steel. Suitable for water, compressed air, and natural gas systems. Depending on the model, it withstands 16 or 25 bar inlet pressure and maintains stable outlet pressure between 1–7 bar.
683 Threaded Bronze Pressure Reducer

Technical Specifications
| Code | PRV 683 |
| Application | Water, Air, other liquids and gases |
| Body Material | Bronze |
| Connection | Threaded |
| Diaphragm/Bellows | EPDM / Viton (FKM) |
| PN | 50 |
| Sizes | ⅜” – 1¼” |
| Adjustment Range | 1.5 – 10 |
| Temperature | -10 °C … +95 °C |
| Options | Female Thread |
The body and spring housing are made of brass. Suitable for compressed air and natural gas up to 95°C. Also suitable for low-flow water systems and non-sticky neutral fluids.
482 Flanged Stainless Steel Pressure Reducing Valve
PRV 482 – Industrial Grade Pressure Control
The 482 Flanged Stainless Steel Pressure Reducing Valve is designed for demanding industrial applications where stable and precise pressure control is required. Its full stainless steel construction ensures maximum corrosion resistance and long service life even under harsh operating conditions.
It is widely used in water distribution systems, compressed air lines, and gas installations. The valve reduces inlet pressure up to 25 bar and maintains a stable outlet pressure between 1–7 bar.
The flanged connection structure ensures safe installation, leak-free performance, and easy maintenance in large-scale industrial systems.
Technical Specifications
- Code: PRV 482
- Body Material: Stainless Steel
- Connection: Flanged
- Pressure Rating: PN40
- Adjustment Range: 0.5–2 / 1–8 / 5–15 bar
- Temperature: -20°C to +120°C
- Applications: Water, Air, Gas
681 Threaded Bronze Pressure Reducing Valve
PRV 681 – Compact Pressure Regulation Solution
The PRV 681 threaded bronze pressure reducing valve is designed for compact installations requiring reliable and stable pressure control.
It ensures safe operation in water, air, and gas systems. Its bronze body combined with stainless steel internal components provides durability and corrosion resistance.
Technical Specifications
- Code: PRV 681
- Body Material: Bronze
- Connection: Threaded
- Pressure Rating: PN40
- Size Range: ½” – 2”
- Temperature: -10°C to +95°C
- Applications: Water, Air, Gas
682 Flanged Bronze Pressure Reducing Valve
PRV 682 – Heavy Duty Industrial Valve
The 682 flanged bronze pressure reducing valve is engineered for industrial systems requiring robust pressure control and high reliability.
It maintains stable outlet pressure while handling inlet pressures up to 25 bar, making it suitable for water supply, compressed air, and gas systems.
Technical Specifications
- Code: PRV 682
- Body Material: Bronze
- Connection: Flanged
- Pressure Rating: PN40
- Size Range: DN15 – DN100
- Temperature: -20°C to +120°C
- Applications: Water, Air, Gas
683 Threaded Bronze Pressure Reducing Valve
PRV 683 – Precision Low Flow Control Valve
The PRV 683 threaded bronze pressure reducing valve is designed for low flow and precision pressure control applications.
It is suitable for potable water, compressed air, and neutral fluids. Its durable construction ensures stable performance under continuous operation.
Technical Specifications
- Code: VNX 683
- Body Material: Bronze
- Connection: Threaded
- Pressure Rating: PN50
- Size Range: ⅜” – 1¼”
- Temperature: -10°C to +95°C
- Applications: Water, Air, Gas
Technical Parameters and System Safety
Knowing the technical limits of equipment used in pressure control is vital for system sustainability. The 482 pressure reducing valve is not just a pressure reducer but also a high-precision regulator. These valves can operate up to PN40 pressure rating, maintaining structural integrity even under high pressure.
Flexible Adjustment Ranges and Precision Control
Different systems require different pressure levels. These valves offer flexible adjustment ranges such as 1–8 bar or 5–15 bar. The adjustment mechanism ensures stable operation even under external factors like vibration or flow changes.
Temperature Resistance and Diaphragm Technology
The valve operates between -20°C and +120°C. EPDM or Viton diaphragms are selected depending on the fluid type, ensuring durability and chemical resistance.
Advantages of Flanged Connection
Flanged connections provide higher strength and sealing in large diameter pipelines and allow easy maintenance and installation.
Application Scenarios and Maintenance Guide
The 482 pressure reducing valve not only protects systems but also reduces operational costs by stabilizing consumption.
Industry Applications
- Textile Industry: Stabilizes water pressure for consistent dyeing quality
- Food and Pharmaceutical: Suitable for hygienic systems
- High-rise Buildings: Prevents excessive pressure in lower floors
- Automation Systems: Ensures stable air supply
Maintenance Recommendations
Regular cleaning of filters and checking diaphragm flexibility ensures long service life.
Conclusion
The 482 stainless steel pressure reducing valve is a reliable, long-term investment offering durability, safety, and efficiency.