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The Wilkins AG-7 is an air gap adaptor fitting designed for use with reduced pressure principle backflow preventers on horizontal or vertical installations, providing essential drain line integration and body mounting capabilities.

Key Specifications:

• Size: 8" - 10" assemblies
• Outlet Connection: 4" NPT
• Dimension A: Approximately 7 Inches
• Dimension B: Approximately 11 Inches
• Notable Certifications: ANSI/ASME A112.1.2 compliant

Other Related Variants:

• AG-4: 3/4" - 1" and 1 1/4" - 1 1/2" versions
• AG-5: 1 1/4" - 2" version
• AG-6: 2 1/2" - 6" version
• AG-8: 1/4" - 1/2" version
• AG-9: 4" - 6" version
• AG-10: 8" - 10" vertical installation
• AG-11: 1/2" - 1" IPS slip
• AG-12: 1 1/4" - 2" IPS slip
• AG-13: 4" - 6" ST series
• AG-14: 8" - 10" ST series

Materials:

• Body: Cast grey iron with epoxy painted finish
• Elbow: Cast grey iron with epoxy painted finish
• Bolts: Steel with zinc plating

Typical Installation:

Local codes shall govern installation requirements. To be installed in accordance with the manufacturers' instructions and the latest edition of the Uniform Plumbing Code.

Standards Compliance:

ANSI/ASME A112.1.2

Features & Benefits:

• Universal Compatibility: Designed specifically for use with Zurn AG-7 and Wilkins AG-7 Reduced Pressure Principle Backflow Preventers on 375 and 475 series assemblies.
• Flexible Installation: Accommodates both horizontal and vertical installations with body-mount capability for convenient drain line integration.
• Durable Construction: Epoxy-coated cast grey iron body provides long-lasting corrosion resistance and structural integrity.
• Code Compliant: ANSI/ASME A112.1.2 approved for safe and reliable backflow prevention system integration.

FAQ

Q: Which backflow preventer models is the Wilkins AG-7 compatible with?

A: The AG-7 is designed for 8"-10" size 375 and 475 series reduced pressure principle backflow preventers, including models 375, 375A, 375ADA, 475, 475DA, 475MS, and related variants.

Q: What type of drain line can be used with this air gap adaptor?

A: The drain line can be any standard piping material. The AG-7 features a 4" NPT outlet connection for flexible drain line attachment.

Q: Can the AG-7 be installed on vertical backflow preventer installations?

A: Yes, the AG-7 is designed for use on both horizontal and vertical installations when a drain line is necessary and can be mounted directly to the backflow preventer body.

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