The Wilkins 2-ZW209 is a pilot operated pressure reducing valve designed to reduce high inlet pressures to safe and stable outlet pressure in commercial and industrial water systems.

Key Specifications:

• Size: 2 Inches
• Pilot Adjustable Range: 15–120 psi
• Temperature Rating: 33°F to 140°F
• Notable Certifications: NSF/ANSI/CAN 61; ANSI/AWWA C530
• End Connections: ANSI Class 150 Flanged

Other Related Variants:

• 212-ZW209: 2 1/2 Inches version
• 3-ZW209: 3 Inches model size
• 4-ZW209: 4 Inches model size
• 6-ZW209: 6 Inches model size
• 8-ZW209: 8 Inches model size

Materials:

• Ductile Iron Body (ASTM A536)
• Ductile Iron Bonnet (ASTM A536)
• Stainless Steel Disc Guide
• Stainless Steel Seat
• Stainless Steel Stem
• Stainless Steel Spring
• Buna-N Rubber Disc
• Nylon Reinforced Buna-N Diaphragm
• Fusion Epoxy Coating (FDA Approved)
• Copper Tubing
• Brass Fittings

Typical Installation:

The Zurn 2-ZW209 is recommended for horizontal installation with the valve cover up. Inlet and outlet shut-off valves should be installed for isolation during maintenance. The valve includes standard inlet and outlet pressure gauges, isolation valves, and a wye type strainer for optimal performance and easy serviceability.

Standards Compliance:

ANSI/AWWA C530; NSF/ANSI/CAN 61 (0.25% Maximum Weighted Average Lead Content)

Features & Benefits:

• Stable Pressure Regulation: Pilot assembly reacts to downstream pressure changes ensuring constant outlet pressure independent of flow rate.
• Corrosion Protection: FDA-approved fusion epoxy coating on all internal and external ferrous surfaces for extended service life.
• Easy Maintenance: Includes standard isolation valves and inlet/outlet pressure gauges for quick servicing and monitoring.
• Versatile Configuration: Available with multiple options including angle body, grooved connections, threaded connections, and various pressure ranges.

FAQ

Q: What is the minimum inlet pressure required for the Wilkins 2-ZW209?

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

Q: Can the Zurn 2-ZW209 be installed vertically?

A: The recommended installation orientation is horizontal with the valve cover up. Vertical installation may cause difficulty in properly bleeding air and performing maintenance.

Q: What is the pilot spring adjustment range?

A: The standard pilot is field adjustable from 15 psi to 120 psi. Optional low pressure (5-25 psi) and high pressure (30-300 psi) pilots are available.

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