CMB Industries - Febco

8 Febco 850 Double Check OSY Backflow Prevention System

Name: 8 Febco 850 Double Check OSY Backflow Prevention System
Brand: CMB Industries - Febco
Price: 51228.51 USD
Availability: InStock

8 Febco 850 Double Check OSY Backflow Prevention System

Product code: 850OS&Y-0800

$51,228.51

~~$61,474.21~~ $51,228.51

16% OFF

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Description

Technical Specifications (Material Focus)
The 8 FEBCO 850 Double Check OS&Y features a robust body made from fusion-bonded epoxy-coated ductile iron, compliant with ASTM A536 standards, delivering superior corrosion resistance suitable for harsh fire service environments. Internal components utilize 300-series stainless steel springs and fasteners, ensuring mechanical strength and longevity under cyclical pressure conditions. Check modules consist of glass-filled Noryl™ or an equivalently durable thermoplastic, providing dimensional stability and chemical resistance. The seating utilizes reversible, replaceable EPDM elastomer discs engineered to maintain a positive seal, preventing contamination and ensuring minimal pressure drop across the unit.

Regulatory Compliance
This assembly is UL Listed under UL 1469, certifying its suitability as a fire service water control valve. Factory Mutual (FM) has granted approval consistent with fire protection industry standards. It meets ASSE 1015 requirements for double check valve assemblies, safeguarding potable water supplies from backflow hazards. The design follows American Water Works Association (AWWA) C510 guidelines, positioning it well within municipal and industrial water system regulations. Use of this model supports compliance with NFPA 13 (Installation of Sprinkler Systems) and NFPA 25 (Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems).

Operational Compatibility
Rated for maximum working pressures up to 175 PSI (12.1 bar), the 850 DOUBLE CK OS&Y suits fire protection and non-health hazard potable water applications requiring high reliability and low maintenance. The valve’s OS&Y (Outside Stem and Yoke) design facilitates straightforward valve position indication, which is essential for periodic inspections in fire safety routines. End connections are available in both flanged (ANSI B16.1) and grooved (AWWA C606) styles, allowing compatibility with standard fire service piping configurations. The unit supports horizontal and vertical (upward flow) installation orientations, offering flexible placement within mechanical rooms or subsurface vaults.

Application and Use Cases
The 8 FEBCO 850 Double Check OS&Y is specifically engineered for commercial and industrial fire protection systems where backflow prevention is critical to maintaining potable water integrity. Typical installations include water supply lines feeding sprinkler systems, standpipe systems, and fire pumps, where prevention of contaminant ingress into the municipal water network is mandated. Suitable for use in both new construction and retrofit scenarios, its durable design also accommodates environmental stressors typical of underground vaults or exposed mechanical room settings. The OS&Y configuration is preferred by fire protection professionals for its clear valve position visibility during routine inspections and testing.

Maintenance and Compliance Insights
This assembly features pre-drilled test cocks facilitating differential pressure testing, a requirement for NFPA 25 compliance during annual inspections. The design supports reversible seats and readily replaceable internal components, simplifying maintenance and minimizing downtime without full unit replacement. These features reduce total lifecycle costs while sustaining regulatory compliance with potable water backflow prevention standards. Operators benefit from straightforward inspection procedures and consistent, reliable system performance in fire protection applications.

More Information
Item Number	850OSY-0800
Brand	CMB Industries - Febco
Box Quantity	1

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Product Details

Technical Specifications (Material Focus)
The 8 FEBCO 850 Double Check OS&Y features a robust body made from fusion-bonded epoxy-coated ductile iron, compliant with ASTM A536 standards, delivering superior corrosion resistance suitable for harsh fire service environments. Internal components utilize 300-series stainless steel springs and fasteners, ensuring mechanical strength ...

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