Wilkins 6-48OSYG | Model 48 OS&Y Resilient Wedge Gate Valve, 6 Inches
Wilkins 6-48OSYG | Model 48 OS&Y Resilient Wedge Gate Valve, 6 Inches is backordered and will ship as soon as it is back in stock.
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Key Terms & Conditions
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NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins 6-48OSYG is a 6 Inches OS&Y resilient wedge gate valve engineered for reliable shutoff in potable water and fire protection systems.
Key Specifications:
| Size | 6 Inches |
| Pressure Rating | 250 PSI Maximum Working Pressure |
| Temperature Rating | 140°F Maximum Working Temperature |
| Notable Certifications | UL Listed, C-UL Listed, FM Approved |
| Connection Type | OS&Y Grooved End Connections (GxG) |
Other Related Variants:
- 212-48OSYG: 2 1/2 Inches version
- 3-48OSYG: 3 Inches version
- 4-48OSYG: 4 Inches version
- 8-48OSYG: 8 Inches version
- 10-48OSYG: 10 Inches version
Materials:
- Main body: Ductile Iron ASTM A536 65-45-12
- Handwheel: Ductile Iron ASTM A536 65-45-12
- Covers: Ductile Iron ASTM A536 65-45-12
- Wedge: Ductile Iron ASTM A536 65-45-12 with EPDM
- Coatings: AWWA C550 Compliant fusion-bond epoxy finish
- Internals: Stainless steel ASTM A276 UNS 41000/S42000
- Internals: Brass ASTM B584 UNS C83600
- Fasteners: 300 series stainless steel
- Fasteners: Zinc plated steel Grade 8.8
- Fasteners: Brass ASTM B584 UNS C83600
- Elastomers: EPDM (FDA approved)
- Stem: 300 series stainless steel
Typical Installation:
Designed for installation on potable water lines, irrigation systems, waterworks connections, and fire systems.
Standards Compliance:
AWWA Compliant C515; AWWA Compliant C550; UL Listed; C-UL Listed; FM Approved; Meets the requirements of NSF/ANSI 372; Meets the requirements of NSF/ANSI/CAN 61
Features & Benefits:
- Reliable Shutoff Design: The Wilkins 6-48OSYG utilizes a resilient wedge gate design for tight, dependable sealing across water and fire protection applications.
- Corrosion-Resistant Construction: Ductile iron body with fusion-bond epoxy coating and stainless steel/brass internals ensure long-term durability against corrosion.
- Lead-Free Compliant: Meets NSF/ANSI 372 lead-free requirements, making it safe for potable water systems.
- Visual Position Indication: The OS&Y (rising stem) design allows for easy visual confirmation of valve open/closed status, ideal for fire protection systems.
FAQ
Q: What does the OSYG suffix mean on the Zurn 6-48OSYG?
A: OSYG stands for OS&Y (Outside Screw and Yoke, rising stem) with grooved end connections (GxG), allowing visual confirmation of valve position and easy grooved-pipe installation.
Q: Is the Wilkins 6-48OSYG suitable for potable water use?
A: Yes, the Zurn 6-48OSYG is lead-free compliant per NSF/ANSI 372 and features an NSF/ANSI/CAN 61-compliant epoxy coating, making it suitable for potable water lines.
Q: What is the maximum pressure and temperature rating for this valve?
A: The valve is rated for a maximum working water pressure of 250 PSI and a maximum working water temperature of 140°F, with a hydrostatic test pressure of 500 PSI.
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.


