4 ZW209 FIRE PRV CLASS 300 FLANGE

Item Number: 4-ZW209FPY
1 1
$11,606.48
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Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Valve Size: 4 inch
  • Connection Type: ANSI Class 300 Flanged
  • Maximum Pressure Rating: 400 psi
  • Pilot Spring Range: 15-120 psi
  • Body Material: Ductile Iron ASTM A536
  • Corrosion Resistance: Internal and external epoxy coating
  • Features: Isolation valves and pressure gauges included
  • Certified: NSF/ANSI/CAN 61, ANSI/AWWA C530

Description

The Zurn Wilkins Model ZW209 is a 4 inch pilot operated pressure reducing valve with ANSI Class 300 flanged connections, designed for fire suppression systems. It maintains steady downstream pressure and handles high flow rates. The pilot assembly ensures the valve seals shut once the set pressure is achieved, preventing system damage. Featuring internal and external epoxy coating for superior corrosion resistance and including isolation valves and pressure gauges, this valve offers easy maintenance and reliability. It is certified to NSF/ANSI/CAN 61 and meets ANSI/AWWA C530 standards. The pilot spring range is 15-120 psi with a maximum pressure rating of 400 psi.

Help Me Connect

This Zurn Wilkins ZW209 Pressure Reducing Valve is equipped with a 4 inch ANSI Class 300 Flanged connection, suitable for integration into fire suppression systems requiring a robust, high-pressure connection point. The main valve body is compatible with matching 4 inch ANSI Class 300 flanged pipes or components.

The pilot assembly, which controls the main valve, includes ANSI Class 150 Flanges, copper tubing, and brass fittings for its connections to the control circuit.

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Additional Details

The Zurn Wilkins Model ZW209 is a 4 inch pilot operated pressure reducing valve with ANSI Class 300 flanged connections. This valve is designed for use in fire suppression systems requiring steady downstream pressure and high flow rates.

Features

  • Pilot operated design ensures constant downstream set pressure and automatically seals shut to prevent damage
  • Red epoxy coating internally and externally provides superior corrosion resistance
  • Includes isolation valves and pressure gauges for straightforward maintenance and repair
  • Equipped with a "Wye" Type Strainer and Opening Speed Control (for sizes 1 1/4" - 4") in the pilot assembly

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

The closing speed control (optional) on this valve should always be open at least three (3) turns off its seat.

Specifications

  • Valve Size: 4 inch
  • Connection Type: ANSI Class 300 Flanged
  • Maximum Pressure Rating (ANSI Class 300 Flanged): 400 psi
  • Main Valve Body Material: Ductile Iron ASTM A536
  • Main Valve Bonnet Material: Ductile Iron ASTM A536
  • Disc Guide Material: Stainless Steel
  • Seat Material: Stainless Steel
  • Disc Material: Buna-N Rubber
  • Diaphragm Material: Nylon Reinforced Buna-N
  • Stem Material: Stainless Steel
  • Spring Material: Stainless Steel
  • Coating: Epoxy Coated, FDA Approved (internal and external)
  • Temperature Rating: Water 33°F to 140°F
  • Pilot Spring Range: 15-120 psi
  • Minimum Inlet Pressure: 10 PSI

Certificates & Approvals

  • Standards Compliance: ANSI/AWWA C530
  • Certification: NSF/ANSI/CAN 61

FAQs

What is the primary application of the Zurn Wilkins ZW209 valve?

The Zurn Wilkins ZW209 4 inch pressure reducing valve is specifically designed for use in fire suppression systems where steady downstream pressure and high flow rates are essential.

What type of connections does this 4 inch ZW209 valve use?

This specific 4 inch ZW209 valve features ANSI Class 300 flanged connections for the main valve. The pilot assembly utilizes ANSI Class 150 flanges, copper tubing, and brass fittings.

What is the maximum pressure rating for this valve?

The Zurn Wilkins ZW209 4 inch valve with ANSI Class 300 flanged connections has a maximum pressure rating of 400 psi, ensuring robust performance in high-pressure environments.

How does the ZW209 prevent downstream damage?

The pilot assembly of the ZW209 automatically seals the main valve shut once the desired downstream pilot setting is reached. This mechanism prevents over-pressurization and potential damage to downstream components.

What maintenance features are included with this pressure reducing valve?

For ease of maintenance and repairs, the ZW209 valve comes standard with internal and external epoxy coating for corrosion resistance, along with integrated isolation valves and pressure gauges.

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