Stainless Steel Water Pressure Automatic Single Seat Control Regulating valve
Grade: 304/316L.
Standard: DIN, ANSI, JIS.
Working pressure: PN10–PN25.
Test pressure: 1.5× rated.
Temperature Range: -10°C to 180°C.
PTFE seals: chemical resistance.
Viton seals: high-temperature durability.

Stainless Steel water regulating valve is apneumatically actuated control valve designed for accurate adjustment of gas or liquid flow in industrial process pipelines. It is commonly installedin the middle control section or near equipment inlets/outlets, where precise regulation of pressure, temperature, and flow stability is required. At this position, it helps maintain system balance, prevent overload, and improve process efficiency. Typical types include single-seat control valves, double-seat regulating valves, angle-type valves, and high-precision proportional control valves, allowing flexible selection for chemical processing, water treatment, food production, and automated fluid control systems.
Accessories
- Valve Body – SS304 / SS316 / SS316L stainless steel; flanged pressure-bearing structure
- Pneumatic Actuator – Aluminum alloy housing with stainless steel fasteners; optional SS actuator casing
- Valve Core / Plug – SS316L stainless steel; precision-machined for variable flow control
- Valve Stem – SS316 stainless steel; anti-corrosion and wear-resistant
- Bonnet / Cover – Stainless steel with reinforced sealing design
- Sealing Elements – PTFE / Graphite / FKM / EPDM depending on media and temperature
- Positioner / Control Unit – Pneumatic positioner (4–20 mA input optional)
- Flange Ends – Stainless steel RF / FF flange according to DIN / ANSI standards
Material: SS304/SS316L body, stainless steel trim, PTFE/EPDM/Viton sealing options.
Structure: Flanged straight-through design with optional insulated or jacketed body.
Pressure: PN10–PN40 / Class150–300 typical industrial pressure range.
Function: Automatic pneumatic control for variable flow and pressure regulation.
Grade: Industrial, chemical, or optional sanitary application levels.
Standards: DIN, ANSI, JIS, GB flange compatibility.
Certification: ISO/CE and pressure safety testing available.
Installation: Horizontal preferred, vertical optional with flow direction marking.
Customization: Size, actuator type, sealing material, and control function optional.

- F:100% virgin 304/316L stainless steel valve body & regulating core; pneumatic actuator in corrosion-resistant aluminum alloy; PTFE/NBR/FKM sealing materials
- A:Strong corrosion & oxidation resistance; stable performance under variable airflow and pressure; reliable sealing integrity
- B: Suitable for industrial gas systems, HVAC pipelines & automation lines; ensures long-term durability and safe operation
- F: CNC precision machining; integral forged valve body; precision ground flow channel; anti-corrosion surface treatment
- A: High structural strength; reduced airflow resistance; stable flow modulation accuracy; enhanced actuator protection
- B: Improves control stability; lowers pressure loss; reduces maintenance workload; extends operational lifespan in continuous systems
- F: Flange connection design; pneumatic proportional control mechanism; linear regulating structure; multi-position installation support
- A:Accurate variable flow adjustment; fast response speed; stable pipeline fixation; adaptable to complex duct layouts
- B: Enhances automation efficiency; reduces manual regulation errors; shortens installation time; supports high-frequency operation environments
- F:High-precision stainless steel regulating core; high-torque pneumatic actuator; built-in position feedback interface
- A: Smooth opening/closing performance; precise control response; stable operation under fluctuating loads
- B: Ensures consistent airflow regulation; improves process stability; reduces energy consumption; lowers component replacement costs
- F: Reinforced PTFE/FKM composite sealing ring; anti-wear & high-temperature resistant design; low-friction sealing surface
- A: Excellent airtight sealing; long service life under frequent adjustments; wide pressure & temperature adaptability
- B:Prevents gas leakage; maintains accurate flow control; suitable for -20℃~200℃ working conditions; reduces downtime caused by seal wear or failure



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