PN40 Electric Cast Steel DIN Flange German Standard Gate Valve

Product Overview

The PN40 Electric Cast Steel DIN Flange German Standard Gate Valve is a heavy-duty industrial gate valve strictly designed and manufactured per DIN 3352, DIN 3202 and DIN 3230 standards. As a motor-operated linear motion valve, it integrates core advantages: PN40 pressure rating, DIN standard flanged connection, premium cast steel body, electric actuator and German standard dimensional criteria, effectively isolating pipeline flow and protecting system safety.

Different from ordinary gate valves, this German standard gate valve adopts GS-C25/WCB cast steel with compact structure, high rigidity and excellent sealing performance. The wedge gate moves linearly under electric actuation to open/close flow fully. Equipped with DIN standard RF flange, it ensures stable and leak-free connection with European pipelines. Suitable for -29℃ to 425℃ working conditions, this PN40 electric gate valve is widely used in petroleum, chemical, power generation and water treatment industries.

Key Features & Advantages

1. German Standard DIN Compliance
This PN40 gate valve fully complies with DIN 3352 (design), DIN 3202 (face-to-face), DIN 2501 (flange) and DIN 3230 (test) standards. It meets European industrial pipeline acceptance criteria and is compatible with global German standard pipeline projects.

2. PN40 (Class 300) Pressure Rating
Designed for PN40 (4.0MPa) high pressure working conditions. The thickened cast steel body provides high pressure resistance and structural stability. It withstands long-term medium impact and pressure fluctuation, ensuring reliable flow isolation in high-pressure industrial pipelines.

3. Premium Cast Steel Body
Constructed from high-quality GS-C25/WCB carbon cast steel. The cast steel structure features uniform texture, high mechanical strength and good weldability. It offers excellent resistance to deformation and corrosion, adapting to long-cycle continuous operation in industrial pipelines.

4. DIN Standard RF Flanged Connection
Adopts DIN 2501 RF (Raised Face) flanged ends. The raised face design provides larger sealing area and higher connection tightness. It enables easy installation and maintenance, effectively eliminating leakage risks at flange joints.

5. Electric Actuator Operation
Equipped with electric actuator for remote and automated on/off control. The motor-driven system ensures precise positioning, fast response and stable performance. It can be integrated into industrial control systems for intelligent pipeline management.

6. Wedge Gate & Hard Seal Design
Features solid/flexible wedge gate with metal-to-metal hard sealing. The sealing surface is overlaid with Stellite hard alloy for wear resistance and long-term durability. It ensures bidirectional bubble-tight zero leakage and extended service life.

Technical Specifications

Installation, Operation & Maintenance Notes

1. Installation Requirements
Install the valve in horizontal pipelines with the actuator upward. Ensure flow direction matches the arrow marked on the valve body. Reserve enough space for actuator operation and maintenance. Avoid installing at pipeline low points to prevent sediment accumulation affecting sealing.

2. Operation Guidelines
This electric gate valve is controlled by electric actuator with remote and local operation modes. Regularly check actuator power supply and control signal stability. Avoid frequent start-stop to prevent motor overload and mechanical wear.

3. Maintenance & Inspection
Periodically inspect flange bolt tightness and sealing surface condition. Disassemble and clean the valve if leakage occurs; replace damaged trim parts promptly. Lubricate the stem with high-temperature grease every 6 months to ensure flexible movement.

Applications

• Petroleum & Refinery: Crude oil transmission pipelines, refining process lines, product transfer systems

• Chemical Industry: High-pressure chemical pipelines, reactor outlet lines, corrosive medium systems

• Power Generation: Main steam pipelines, boiler feedwater lines, turbine auxiliary systems

• Water Treatment: Municipal water supply pipelines, wastewater treatment systems, desalination plants

• General Industrial: Industrial circulating pipelines, heating systems, compressed air lines

Advantages of Our PN40 DIN Cast Steel Electric Gate Valve

✅ Full DIN Standard Compliance — German standard certified, fully compatible with European industrial pipelines.

✅ Premium Cast Steel Build — GS-C25/WCB body offers high strength, durability and cost-effectiveness.

✅ DIN RF Flange Leak-Proof — Raised face flange ensures tight sealing and easy installation.

✅ Electric Remote Control — Motor-driven for automated, precise and reliable flow isolation.

✅ Stellite Hard Seal — Wear-resistant hard alloy overlay extends service life.

✅ Wide Temperature Adaptability — Suitable for -29℃ to 425℃ working conditions.

Order & Certification Information

MOQ: 1 Unit
Production Lead Time: 15-30 working days for standard PN40 sizes
Supporting Certificates: EN10204 3.1 Material Certificate, DIN 3230 Test Report, ISO9001 Quality Certificate
Export Packaging: Anti-rust oil treatment + Reinforced fumigation-free export wooden case
Quality Warranty: 12-month professional warranty + lifelong technical support

Contact Us for customized sizes, special materials and bulk preferential quotation of PN40 DIN flange cast steel electric gate valves.

What Is a Cast Steel Gate Valve

A Cast Steel Gate Valve is a linear motion isolation valve designed to control the passage of liquids, gases, and steam in industrial piping systems. It operates by lifting or lowering a gate to provide complete opening or reliable shutoff. Manufactured from cast steel materials, the valve offers excellent mechanical strength and durability under demanding operating conditions. It is widely used in oil and gas facilities, chemical plants, power stations, and water treatment systems where dependable flow isolation is required.

Why the Cast Steel Gate Valve Matters

The Cast Steel Gate Valve is important because it helps maintain safe and efficient operation of pipeline systems. Its sturdy construction allows it to withstand challenging pressure and temperature conditions while providing reliable sealing performance. The valve plays a key role in isolating equipment during maintenance and preventing unwanted leakage. By ensuring stable flow control and protecting critical process components, it supports long term operational reliability in various industrial applications.

Common Product Types by Cast Steel Gate Valve

Cast Steel Gate Valves are available in different configurations to satisfy specific service requirements. Flexible wedge gate valves are commonly used because they provide excellent sealing performance and accommodate thermal expansion. Solid wedge designs are preferred for stable operating conditions, while split wedge constructions offer improved adaptability. Rising stem and non rising stem structures are both available. Manual, electric, pneumatic, and bevel gear operated versions can be selected according to system requirements.

Key Advantages of Cast Steel Gate Valve

One of the main advantages of the Cast Steel Gate Valve is its ability to provide tight shutoff with minimal flow resistance when fully open. Cast steel construction offers excellent strength and resistance to mechanical stress. Durable sealing surfaces contribute to extended service life and reduced maintenance requirements. The valve is suitable for a wide range of media and operating environments, making it a versatile solution for industrial process systems that demand reliable performance.

Cast Steel Gate Valve Machine Structure and Core Stations

The production process begins with casting major components such as the body, bonnet, gate, and stem using selected steel materials. Core manufacturing stations include heat treatment, precision machining, and hardfacing operations to improve wear resistance and sealing quality. Assembly stations install the gate, stem, packing components, bonnet, and operating mechanism. Final procedures involve pressure testing, leakage inspection, surface treatment, cleaning, marking, and packaging to ensure dimensional accuracy and dependable sealing performance.