2.5 ZW205 RELIEF/SUSTA FIRE VLV ANG BODY ANSI 300 FLG SS SEAT CPR TUBNG BRZ FTNGS

Item Number: 212-ZW205FPAY
1 1
$8,299.45
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Valve Type: Pilot Operated Pressure Relief / Pressure Sustaining
  • Nominal Size: 2.5 inch (65 mm)
  • End Connection: ANSI Class 300 Flanged
  • Body Style: Angle
  • Body Material: Ductile Iron ASTM A536
  • Internal Components: Stainless Steel, Buna-N Rubber, Nylon Reinforced Buna-N
  • Coating: Blue Epoxy, FDA Approved
  • Certifications: ANSI/AWWA C530, NSF/ANSI/CAN 61, Lead Free

Description

Maintain critical upstream pressure with the Zurn Wilkins Model ZW205 Pilot Operated Pressure Relief / Pressure Sustaining Valve, ideal for fire protection systems. This 2.5-inch valve features an an angle body with ANSI Class 300 flanged connections for robust integration. Constructed with a durable ductile iron body, stainless steel seat, and blue epoxy coating, it ensures longevity and reliable performance. The ZW205 includes a wye strainer, closing speed control, isolation valves, and an inlet pressure gauge as standard. Certified to ANSI/AWWA C530 and NSF/ANSI/CAN 61, it is also lead-free, providing safe and precise pressure regulation.

Help Me Connect

The Zurn Wilkins Model ZW205 valve is engineered to operate by sensing upstream pressure and modulating to relieve excess pressure or sustain a minimum upstream pressure. Its angle style body and 2.5 inch ANSI Class 300 Flanged connections are designed for robust system integration, particularly in fire protection systems where precise pressure control is vital. The standard pilot system includes a "Wye" Type Strainer, Closing Speed Control, and Isolation Valves to facilitate installation and ongoing maintenance. An Inlet Pressure Gauge is also included for easy system monitoring.

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Additional Details

The Zurn Wilkins Model ZW205 Pilot Operated Pressure Relief / Pressure Sustaining Valve is designed for critical applications requiring upstream pressure maintenance, commonly found in fire systems. This valve precisely modulates between closed and open positions to either relieve excess upstream pressure or sustain a pre-determined upstream set pressure.

Construction & Features

  • Body Material: Durable Ductile Iron ASTM A536 for main valve body and bonnet.
  • Internal Components: Stainless steel disc guide, seat, stem, and spring.
  • Sealing: Buna-N Rubber disc and Nylon Reinforced Buna-N diaphragm ensure reliable sealing.
  • Coating: Blue Epoxy Coated, FDA Approved for enhanced durability and corrosion resistance.

Pilot System

  • Includes standard pilot assembly with "Wye" Type Strainer, Closing Speed Control (for sizes 1 1/4" - 4"), Isolation Valves, Inlet Pressure Gauge, and Copper Tubing and Brass Fittings.
  • Standard pilot spring range of 50-200 psi.

Connections

  • Angle Style Body configuration for installation versatility.
  • 2.5 inch ANSI Class 300 Flanged end connections.

Specifications

  • Model: ZW205
  • Valve Type: Pilot Operated Pressure Relief / Pressure Sustaining Valve
  • Nominal Size: 2.5 inch (65 mm)
  • Body Style: Angle
  • End Connection: ANSI Class 300 Flanged
  • Body Material: Ductile Iron ASTM A536
  • 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: Blue Epoxy Coated, FDA Approved
  • Pilot Assembly Features: "Wye" Type Strainer, Closing Speed Control, Isolation Valves, Inlet Pressure Gauge, Copper Tubing and Brass Fittings
  • Pilot Spring Range (Standard): 50-200 PSI
  • Temperature Rating: Water 33°F to 140°F

Certificates & Approvals

  • ANSI/AWWA C530
  • NSF/ANSI/CAN 61 (0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
  • Lead Free

FAQs

What is the primary function of the Zurn Wilkins ZW205 valve?

The Zurn Wilkins ZW205 is a pilot-operated pressure relief and pressure sustaining valve designed to maintain a predetermined upstream pressure in critical applications, such as fire systems. It can either relieve excess pressure or sustain a minimum pressure.

What materials are used in the construction of this valve?

The main valve body and bonnet are made from Ductile Iron ASTM A536. Internal components like the disc guide, seat, stem, and spring are stainless steel, while the disc is Buna-N Rubber and the diaphragm is Nylon Reinforced Buna-N.

What standard features are included with the ZW205?

Standard features include a blue epoxy coating (FDA approved), a "Wye" type strainer, closing speed control, isolation valves, an inlet pressure gauge, and copper tubing with brass fittings for the pilot assembly.

What type of end connections does this specific ZW205 model have?

This ZW205 model features a 2.5 inch nominal size with ANSI Class 300 Flanged end connections, configured in an angle style body.

What certifications does the ZW205 valve meet?

The ZW205 valve meets ANSI/AWWA C530 and NSF/ANSI/CAN 61 standards, ensuring it is lead-free and suitable for applications requiring strict water quality compliance.

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