DIN3357 3PC Flanged Ball Valve PN16/PN40 | Stainless Steel Industrial Ball Valve Manufacturer
Product Spotlights
PN16/PN40 3PC Flanged Ball Valve
Product Overview
DIN3357 Three-Piece Stainless Steel Flanged Ball Valve for Industrial Pipelines
The PN16/PN40 3PC Flanged Ball Valve is a high-performance quarter-turn valve designed for reliable shut-off service in industrial pipeline systems. Manufactured according to DIN3357 and EN12516-1 standards, the valve features a robust three-piece body construction that allows easy maintenance and convenient replacement of internal components without removing the entire valve from the pipeline.
Available in stainless steel and carbon steel materials, the valve offers outstanding sealing performance, corrosion resistance, and operational reliability. Its flanged connection design ensures secure installation and compatibility with European standard piping systems.
This valve is widely used in oil & gas, petrochemical, chemical processing, water treatment, marine engineering, power generation, and industrial manufacturing applications.
Key Features
Three-Piece Body Design
The 3PC construction allows quick disassembly for inspection, cleaning, and maintenance while reducing plant downtime and maintenance costs.
Benefits
· Easy maintenance
· Extended service life
· Reduced operating costs
· Convenient replacement of internal components
DIN Standard Flanged Connection
Designed according to DIN2501 flange standards, ensuring compatibility with European industrial pipeline systems.
Advantages
· Secure installation
· Excellent pressure resistance
· Reliable sealing performance
· Easy pipeline integration
Blow-Out Proof Stem
The internally mounted stem design prevents accidental stem ejection under pressure, significantly improving operational safety.
Benefits
· Enhanced operator safety
· Increased system reliability
· Compliance with industrial safety standards
Anti-Static Device
Provides electrical continuity between ball, stem, and valve body to prevent static electricity accumulation.
Suitable For
· Oil & gas facilities
· Chemical plants
· Petrochemical processing units
· Hazardous industrial environments
Optional Fire Safe Design
Available with Fire Safe certification according to API 607 4th Edition.
Protection Against
· Fire incidents
· Emergency shut-off requirements
· Hazardous process applications
Superior Corrosion Resistance
Available in multiple material grades:
· CF3M (316L Stainless Steel)
· CF8M (316 Stainless Steel)
· CF8 (304 Stainless Steel)
· WCB Carbon Steel
Suitable for both corrosive and non-corrosive process media.
Technical Specifications
Parameter |
Specification |
Valve Type |
3PC Flanged Ball Valve |
Design Standard |
DIN3357-1 / DIN3357-2 |
Pressure Standard |
EN12516-1 |
Face-to-Face |
DIN3202 F4 |
Flange Standard |
DIN2501 PN10-PN40 |
Pressure Rating |
PN16 / PN40 |
Size Range |
DN15 – DN100 |
Body Materials |
CF3M, CF8M, CF8, WCB |
Operation |
Lever, Pneumatic, Electric |
Fire Safe |
API607 4th Edition (Optional) |
Anti-Static |
Standard |
Blow-Out Proof Stem |
Standard |
Applications
Oil & Gas Industry
· Refinery pipelines
· Fuel transfer systems
· Storage terminals
· Natural gas distribution
Chemical Processing
· Chemical transportation
· Acid and alkali handling
· Process control systems
Water Treatment
· Clean water pipelines
· Wastewater treatment plants
· Filtration systems
Marine & Offshore
· Shipbuilding systems
· Offshore platforms
· Seawater treatment equipment
Industrial Manufacturing
· Utility systems
· Compressed air systems
· Process pipelines
Available Materials
Component |
Material |
Body |
CF3M, CF8M, CF8, WCB |
Ball |
SS304, SS316 |
Stem |
Stainless Steel |
Seat |
PTFE, RPTFE |
Gasket |
PTFE |
Why Choose Shaanxi Gold-Stone?
European Standard Manufacturing
Manufactured according to DIN and EN standards for seamless integration into European pipeline systems.
Strict Quality Control
Every valve undergoes 100% inspection and pressure testing before shipment.
Flexible Material Selection
Available in stainless steel and carbon steel materials to meet diverse industrial requirements.
Global Export Experience
Trusted supplier serving customers across Europe, North America, South America, the Middle East, and Asia.
Competitive Factory Direct Pricing
Providing high-quality industrial valves with excellent cost-performance ratios.
FAQ
What is the advantage of a 3PC ball valve?
The three-piece body design allows maintenance and replacement of internal parts without removing the valve body from the pipeline, significantly reducing downtime.
What is the difference between PN16 and PN40?
PN16 indicates a maximum working pressure of 16 bar, while PN40 indicates a maximum working pressure of 40 bar under standard operating conditions.
Is the valve suitable for automated systems?
Yes. Pneumatic and electric actuators can be installed for automated operation and integration into SCADA, PLC, and DCS systems.
What is the purpose of the anti-static device?
It prevents electrostatic buildup and discharge, making the valve suitable for hazardous environments such as petrochemical and oil & gas facilities.
Can the valve be supplied with Fire Safe certification?
Yes. Fire Safe design compliant with API607 4th Edition is available upon request.
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