EN 558-1 Series 1 Face to Face Relief Valve, PN10-16-25-40

• Customization: Available
• Temperature: Low Temperature
• Media: Oil, Water
• Model NO.: F8055
• Standard: Standard
• Connection Mode: Flange
• Power: Hydraulic
• Material: Ductile Iron/Stainless Steel/Bronze
• Type: Self-Operated
• Pressure range: PN10-16-25-40/Class 150-300
• Design: EN 1074-5
• Face to face: EN 558-1 Series 1
• Flange drilling: EN 1092-2/ISO 7005-2/ANSI/AS2129 or AS4087
• Coating: Thermoplastic Powder Epoxy
• Transport Package: Wooden Box
• Specification: DN50-DN1200
• Trademark: WALTER, OEM
• Origin: China
• Production Capacity: 5000pieces/Year

Product Description

Surge Anticipating Relief Valve

F8055 Series

Application Range

• Ideal for Pump Stations to ensure seamless operation and efficiency.

• Perfectly suited for Storage Tanks / Reservoir applications.

• Essential for Water Supply Systems, guaranteeing reliability.

• Designed for Water treatment and distribution systems, ensuring smooth functionality.

• Power Station Cooling Lines benefit from its robust capabilities.

Testing and Remarks

▪ Body Strength Test: Adheres to BS EN 12266-1 with rigorous testing at 1.5 x PN.

▪ Seal Tightness Test: Conforms to BS EN 12266-1 with precision at 1.1 x PN.

Main Valve

Features
• Ingenious top and seat ring guided stem and diaphragm assembly for long-lasting performance.

• All iron components boast fusion epoxy bonding for exceptional resistance to corrosion.

Comprehensive internal & external body and disc coating, averaging 250 microns, with higher thicknesses available upon request.

• Effortless maintenance possible without disconnection from the main line.

• Nylon reinforced diaphragm ensures prolonged service life & drip-tight shut off.

• Globe design provides superior control characteristics for optimal performance.

• Constructed with ductile iron bodies for enhanced strength and durability. Stainless Steel or Bronze options available.

• Stainless steel seat and disc retainer ring offer outstanding corrosion resistance.

• Versatile pilots and accessories enable configuration for various applications.

• Optional Special V-Port and double chamber available; consult factory for details.

• Hydro-static test pressure for seat: PN x 1.1, for shell: PN x 1.5 in accordance with EN 12266-1.

 

Material Specification DN50-350

Dimension PN10/16/25/40 (mm)

Material Specification DN400-1200

Dimension PN10/16/25 (mm)



ABOUT US

Suzhou Walter Flow Control Equipment Co., Ltd. Pioneers in manufacturing premium water system valves, Suzhou Walter Flow Control Equipment Co., Ltd. excels in offering OEM solutions for Sluice Valve, Gate Valve, Flange Butterfly Valve, Check Valve, Strainer, Pressure Reducing Valve, Fire Hydrant, and a wide array of international valve standards and specifications. Select products are available with FM/UL certification. Walter is dedicated to enhancing consumer experience by providing expert advice and bespoke fluid control solutions. We welcome custom design and special requirements to meet diverse industry needs.

We eagerly anticipate your inquiries!