Watts 77S-CI
Watts 77S-CI
The Watts 77S-CI Wye-Pattern Strainer features a robust cast iron body with threaded connections, designed to protect system components from dirt, rust, and other debris. This strainer is suitable for both steam and liquid applications, ensuring long-term reliability and performance. The machined seat provides a self-aligning screen, ensuring a precise fit and optimal filtration.
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Watts 77S-CI
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Service Application:
Designed to strain foreign matter from pipelines, offering crucial protection for pumps, meters, valves, and other mechanical equipment.
Effective in both steam and liquid systems, providing versatility and reliability.
Highlights:
Efficient Design: 45° wye-pattern cast iron body for efficient flow and long-lasting service.
Threaded Connections: NPT threaded ends and threaded retainer cap for easy installation.
Self-Aligning Screen: Machined seat ensures the screen aligns perfectly, providing reliable filtration.
Easy Maintenance: Tapped blow-down connection and non-asbestos gasket facilitate straightforward servicing.
Construction and Materials:
Body and Retainer Cap: Cast iron, ASTM A-126 Class B.
Screen: Stainless steel for durability and ease of cleaning.
Gasket: PTFE for secure sealing.
Blow-Down Connection: Tapped for convenient debris removal.
Operational Benefits:
Protects system components from debris and particulates, ensuring smooth operation.
Easy to install and maintain with threaded connections and retainer cap.
Self-aligning screen and precision machined seat enhance filtration efficiency.
Pressure/Temperature Ratings:
Maximum Operating Pressure:
400psi (27.6 bar) WOG at 150°F (66°C)
250psi (17.2 bar) WSP at 406°F (208°C)
Standard Screens:
Sizes 1/4″ – 2-1/2″: 20 mesh 304 stainless steel.
Size 3″: 3/64″ perforated 304 stainless steel.
For detailed specifications and further assistance, contact FLTR for technical support and certified drawings.
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Body Material:
Cast Iron
End Type:
Threaded
Cover:
Tapped Retainer Cap
Standard Screen:
Wire mesh liners:
304 stainless steel
(#40, #60, #80, #100)
Screens:
21⁄2″-3″ (65-80mm) 1⁄32″, 1⁄16″, 1⁄8″ (.8, 1.6, 3.2mm)
WOG Rating:
400psi (27.6 bar) at 150ºF (66ºC) WOG
250psi (17.2 bar) at 406ºF (208ºC) WSP
Applications:
Steam Lines: Ideal for filtering debris in steam systems, protecting vital components.
Liquid Piping: Ensures clean liquid flow by removing particulates and debris.
Commercial and Industrial Systems: Suitable for a wide range of applications requiring robust filtration.
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