Halkey-Roberts 790-RPV Dual-Action Breather Valve Pressure Relief Case [5.0 PSI] For Sale

The Halkey-Roberts 790-RPV Dual-Action Breather Valve Pressure Relief Case is a high-quality pressure relief device designed for military surplus applications. Made in the United States, this dual-action breather valve provides reliable and consistent pressure relief at 5.0 PSI. It is a collectible item that offers a unique and valuable addition to any militaria collection or for practical use in various military surplus applications.

The 790 is an automatic dual-action valve designed to maximize the reliability of breather valves in critical conditions. The 790 is primarily used in the container industry, transportation cases and other military, industrial and medical applications. The 790 may be clamped in a 7/8" (22.2 mm) hole or screwed in a 7/8" (22.2 mm) 32 UN-2B threaded hole where the minimum wall thickness is 1/16" (1.62 mm) and a maximum of 5/16" (7.94 mm).

Features and Benefits

• High-efficiency, reliability, and flow in any position or hostile environment
• Manual override button for quick relief
• Corrosion-resistant materials
• Compact and lightweight: approximate weight 0.75 ounces (21 grams)
• Individually calibrated and tested
• Available coatings: clear anodized or black anodized standard; EMI/RFI coating available

Specifications and Technical Information

• Materials:
  • Body, stem and nut: Aluminum
  • Retaining ring: Stainless steel
  • Spring: Stainless steel
• Cracking pressure ±15% nominal. Reseat within 20% of nominal.
• Standard pressure and vacuum settings: 0.1 to 5.0 psig (other pressures available on request; minimum orders apply)

Please review all photos carefully before purchasing to ensure this is the item you need. The photos are provided to show the condition of the item(s), but they do not indicate the quantity included. Please refer to the title and item description for the exact item(s) and quantity you will receive. Some items may have slight variations.

If you experience any issues with your order, please open a return or support case rather than sending an email. We receive 50–100 emails each day, and while we do our best to respond to everyone, an email can occasionally be missed. Opening a case is the fastest and most reliable way to ensure your issue is handled promptly and provides protection for both you and us.

Many of the items we sell are purchased through sales. You will receive the exact item shown in the photos unless otherwise stated in the listing title or description. We strive to accurately describe every item and clearly show its condition.

If you have any questions before purchasing, please don't hesitate to ask. We also offer FREE returns if there are any problems with your order. Thank you for your business!