UNKNOWN FNW559J WYE Strainer

Description:

The UNKNOWN FNW559J WYE Strainer is used in industrial piping and fluid handling systems to remove debris and particulates from process fluids before they reach pumps, valves, and other downstream equipment. Commonly installed in water treatment systems, HVAC systems, steam lines, chemical processing plants, and industrial utility piping requiring inline filtration and equipment protection. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement.

Applications:

The UNKNOWN FNW559J WYE Strainer is used in industrial applications requiring filtration of solids from liquid or gas process streams. It is commonly found in chilled water systems, steam systems, manufacturing facilities, irrigation systems, chemical plants, and municipal water treatment installations where protecting pumps, valves, meters, and other equipment from debris is essential. The Figure 559 series is designed with threaded NPT connections and a removable stainless steel screen for easy maintenance and cleaning.

Technical Specifications:

• Manufacturer: UNKNOWN
• Part Number: FNW559J
• Product Type: WYE Strainer
• Series: Figure 559
• Function: Removes debris and particulates from fluid systems
• Body Material: Cast Iron ASTM A126 Class B
• Screen Material: Stainless Steel ASTM A167 Type 304
• Pressure Rating: 400 WOG Non-Shock 100°F
• Steam Pressure Rating: 250 PSI WSP
• Connection Type: Female Threaded NPT Ends
• Thread Standard: ANSI/ASME B1.20.1
• Screen Mesh: 20 Mesh Stainless Steel
• Blow-Off Plug: Included
• Flow Pattern: Y-Pattern
• Shell Hydrostatic Test Pressure: 300 PSI per API 598
• Markings: MSS SP-25
• Nominal Size: 1-1/2 in.
• CV Value: 62
• Approximate Weight: 7.03 LB
• Compatible Media: Water, Steam, Oil, and Non-Corrosive Fluids
• Application: Industrial Piping and Fluid Handling Systems
• Designed for Continuous Industrial Service

Common Replacements:

• FNW Figure 559B Threaded WYE Strainer
• Mueller Steam Specialty Cast Iron Threaded WYE Strainer
• Watts 777 Series Cast Iron Threaded WYE Strainer