


Product Description
The 6" 300LB diaphragm-type control valve is engineered for high-precision flow regulation across demanding industrial environments. By utilizing a pressure-sensitive diaphragm actuator, the valve delivers fast response, high control accuracy, and stable operation even under fluctuating load conditions. This makes it ideal for process control loops requiring continuous modulation, such as temperature, pressure, and flow regulation.
Designed with industrial-grade materials and advanced structural optimization, this control valve ensures leak-tight performance, exceptional durability, and long-term operational stability. Whether installed in chemical pipelines, power generation units, or oil & gas processing systems, it provides dependable and consistent performance.
Product Features
1. High-Precision Diaphragm Actuator
- Sensitive response and stable control output
- Ideal for continuous modulation and proportional adjustment
- Reduced hysteresis and excellent linearity
2. Robust 300LB Pressure Rating
- Suitable for medium to high-pressure environments
- Ensures structural integrity and enhanced safety
3. Corrosion-Resistant Construction
- F304/F316 stainless steel options available
- Excellent resistance to chemicals and fluid erosion
4. Optimized Flow Path Design
- Low pressure loss
- High control accuracy
- Reduced cavitation risk
5. Easy Maintenance
- Simplified internal components
- Reduced downtime and maintenance cost
Technical Parameters
| Parameter |
Specification |
| Size |
6 inch (DN150) |
| Pressure Rating |
300LB |
| Body Material |
WCB / F304 / F316 |
| Trim Material |
SS304 / SS316 / Hardened options |
| Actuator Type |
Pneumatic Diaphragm |
| Flow Characteristic |
Linear / Equal Percentage |
| End Connection |
Flanged (ANSI B16.5) |
| Working Temperature |
-29°C to 425°C (depending on material) |
| Leakage Class |
Class IV / V |
| Standards |
ASME, API, ANSI, ISO |
Standards & Compliance
- Design Standard: ASME B16.34 / IEC 60534
- Face-to-Face: IEC 60534-3
- Flange Standard: ANSI B16.5
- Inspection & Testing: API 598
- Material Compliance: ASTM standards
Application Fields
- Chemical processing
- Power generation
- Oil & gas pipelines
- HVAC & steam systems
- Water treatment
- Industrial automation systems
- Petrochemical engineering
Why Choose DBV / Dombor Control Valves?
- 28+ years manufacturing experience in industrial valves
- Advanced CNC machining and automatic production lines
- Full-range quality control with API/CE/ISO certification
- Global supply chain with fast delivery and professional support
Call to Action
Looking for a stable, accurate, and reliable industrial control valve?
Contact DBV/Dombor for customized engineering solutions.