GERMAN STANDARD BELLOW GLOBE VALVE
Product Model:WJ41H/F
Nominal Diameter:15-350mm
NominalPressure:10.0~250MPa
Suitabletemperature:-29°C~425°C
suitable Medium:water,steam,oil products

Product Description: GERMAN STANDARD BELLOW GLOBE VALVE (WJ41H/F)
Product Features & Applications
- Purpose: Designed for high-pressure, high-temperature, and critical sealing applications in industries such as chemical, petroleum, energy, and thermal power.
- Key Features:
- Zero-Leakage Design: Integrated bellows seal eliminates stem leakage, ideal for toxic, hazardous, or corrosive media.
- High-Pressure Resistance: Suitable for severe conditions (up to 250MPa).
- Wide Temperature Range: Operational from -29°C to 425°C.
- Versatile Media Compatibility: Water, steam, oil products, and other non-abrasive fluids.
Technical Specifications
Parameter |
Details |
Product Model |
WJ41H/F (DIN Standard) |
Nominal Diameter |
DN15-DN350 (1/2"-14") |
Nominal Pressure |
PN100-PN4200 (Class 600-25000) |
Temperature Range |
-29°C to 425°C (-20°F to 800°F) |
Body Material |
Carbon Steel (C22.8), Stainless Steel (F304/F316) |
Bellows Material |
Inconel 625/SS316L (corrosion-resistant) |
Connection |
Flanged (DIN/ANSI/JIS standards) |
Actuator |
Manual lever, pneumatic/electric options |
Testing Standards |
DIN 3356, API 598, ISO 5208 |
Quality Standards & Certifications
- Compliance: Manufactured in accordance with DIN 3356 and AD 2000-Merkblatt.
- Quality Control: 100% pressure testing (1.5x PN), helium leak detection, and material traceability (EN 10204 3.1B).
- Certifications: ISO 9001, PED, ATEX (for explosive environments), and CRN registration.
- Warranty: 12 months from shipment date.
Product Details
- Structure:
- Bellows Seal: Isolates the stem from the medium, preventing fugitive emissions.
- Forged Body: Robust construction for high-pressure integrity.
- Anti-blowout Stem: Backseat design ensures safety during maintenance.
- Advantages:
- Long Lifespan: Stainless steel/Inconel components resist corrosion and erosion.
- Low Torque Operation: Precision-ground stem threads reduce wear.
- Customizable Options: Tailored solutions for specific media, pressure, and end connections.
- Applications:
- Chemical Processing: Handling aggressive fluids.
- Power Plants: Steam and feedwater systems.
- Oil & Gas: Upstream/downstream pipelines.
Why Choose Us?
- OEM/ODM Support: Custom designs based on DIN/ANSI/JIS standards.
- Fast Delivery: 7-15 days for standard models; expedited options available.
- Technical Support: CAD drawings, installation guides, and on-site assistance.
Contact Us Now for a quote or technical consultation!
Keywords: DIN Bellow Globe Valve, High-Pressure Valve, Zero-Leakage Valve, WJ41H/F






