The Wilkins 2-ZW209FPG is a pilot-operated pressure reducing valve designed for fire suppression systems, ensuring safe and stable outlet pressure control.

Key Specifications:

• Size: 2 Inches
• Inlet Pressure Rating: 300 psi maximum
• Temperature Rating: 33°F to 140°F
• Notable Certifications: UL and C-UL Listed
• Connection Type: Grooved ends

Other Related Variants:

• 3-ZW209FPG: 3 Inches valve size
• 4-ZW209FPG: 4 Inches valve size
• 6-ZW209FPG: 6 Inches valve size
• 8-ZW209FPG: 8 Inches valve size
• 10-ZW209FPG: 10 Inches valve size
• 212-ZW209FPG: 2-1/2 Inches valve size

Materials:

• Ductile Iron ASTM A536 (Main Valve Body)
• Ductile Iron ASTM A536 (Main Valve Cover)
• Stainless Steel (Disc Guide)
• Stainless Steel (Seat)
• Buna-N Rubber (Disc)
• Nylon Reinforced Buna-N (Diaphragm)
• Stainless Steel (Stem)
• Stainless Steel (Spring)
• Red Epoxy Coating (Interior/Exterior, FDA Approved)
• Copper Tubing and Brass Fittings

Typical Installation:

The upstream and downstream pressure gauges are required by Underwriters Laboratories® (UL). A relief valve of not less than 1/2 inches in size must be installed on the downstream side of the Zurn 2-ZW209FPG. Adequate drainage for the relief valve discharge must be provided. The recommended installation orientation is horizontal with the valve cover up. 6 inches and larger valves should only be installed horizontally with the valve cover up.

Standards Compliance:

ANSI/AWWA C530; AWWA C606; ANSI B1.20.1; ANSI B16.42; NFPA 13; NFPA 14; NFPA 25

Features & Benefits:

• Pilot-Operated Control: Maintains constant downstream pressure regardless of flow rate or varying inlet pressures, ensuring reliable fire suppression system performance.
• Corrosion-Resistant Protection: Red epoxy coating on all internal and external surfaces provides FDA-approved corrosion protection for extended service life.
• Complete Installation Package: Includes wye strainer, inlet/outlet pressure gauges with 3-way isolation valves for quick installation and easy field adjustment.
• Wide Adjustability Range: Field-adjustable pilot spring range from 50-165 psi residual pressure with 175 psi maximum static pressure capability.

FAQ

Q: What is the minimum inlet pressure required for proper operation of the Wilkins 2-ZW209FPG?

A: The minimum inlet pressure is 10 psi higher than the set point or the additional body friction loss at the intended flow rate, whichever is higher.

Q: Can this valve be installed vertically?

A: While horizontal installation with the cover up is recommended, smaller sizes can be installed vertically. However, 6 inches and larger valves should only be installed horizontally due to maintenance and air bleeding requirements.

Q: What is the difference between the Zurn 2-ZW209FPG and models with different suffix letters?

A: The suffix "G" indicates grooved end connections with 300 psi inlet rating. Other suffixes indicate different connection types: "TH" for NPT threaded, "Y" for ANSI Class 300 flanged, and "X" for ANSI Class 150 flanged ends.

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