Wilkins 112-ZW209TH | Pressure Reducing Valve, 15-120 PSI
Wilkins 112-ZW209TH | Pressure Reducing Valve, 15-120 PSI is backordered and will ship as soon as it is back in stock.
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Wilkins 112-ZW209TH | Pressure Reducing Valve, 15-120 PSI
NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins 112-ZW209TH is a pilot-operated pressure reducing valve with NPT threaded connections, designed to maintain stable downstream pressure in commercial and industrial water systems.
Key Specifications:
- Size: 1 1/2 Inches
- Maximum Inlet Pressure: 400 PSI threaded
- Temperature Rating: 33°F to 140°F
- Notable Certifications: NSF/ANSI/CAN 61
- Pilot Spring Range: 15-120 PSI
Other Related Variants:
- 2-ZW209TH: 2 Inches threaded version
Materials:
- Main Valve Body: Ductile Iron ASTM A536
- Main Valve Bonnet: Ductile Iron ASTM A536
- Disc Guide: Stainless Steel
- Seat: Stainless Steel
- Disc: Buna-N Rubber
- Diaphragm: Nylon Reinforced Buna-N
- Stem: Stainless Steel
- Spring: Stainless Steel
- Tubing: Copper
- Fittings: Brass
- Coating: FDA Approved Epoxy
Typical Installation:
The recommended installation orientation for the Zurn 112-ZW209TH is horizontal with the valve cover up, with inlet and outlet shut-off valves installed on both sides for proper maintenance and system isolation.
Standards Compliance:
ANSI/AWWA C530; NSF/ANSI/CAN 61 (0.25% max. weighted average lead content)
Features & Benefits:
- Stable Pressure Control: Pilot-operated design maintains constant downstream pressure independent of flow rate or inlet pressure variations.
- Corrosion Protection: FDA-approved epoxy coating on all internal and external ferrous surfaces ensures long-lasting durability in water applications.
- Easy Maintenance: Includes standard isolation valves, strainer, and pressure gauges for quick servicing without system shutdown.
- Guided Stem Design: Top and bottom stem guidance with diaphragm not used as seating surface ensures reliable, leak-free operation.
FAQ
Q: What is the minimum inlet pressure required for the Wilkins 112-ZW209TH?
A: The minimum inlet pressure is 10 PSI plus the body friction loss at the intended flow rate, or 10 PSI higher than the set point, whichever is greater.
Q: Can the downstream pressure be adjusted in the field?
A: Yes, the pilot control is field adjustable from 15 PSI to 120 PSI using the adjustable spring mechanism on the PRXL pressure reducing pilot.
Q: What end connection type does the 112-ZW209TH have?
A: The "TH" suffix indicates NPT threaded end connections with a maximum pressure rating of 400 PSI for threaded configurations in the 1-1/2 Inches size.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
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Always consult with a licensed professional and check local codes before installation. For further details, check the Owners Manual.
Contact us at support@bottlefillingstations.com with any questions.
