Series 500

WHEATLEY Series 500 check valves are fire-tested carbon steel flanged end check valves with a full-open, through-conduit design for low pressure drop and less turbulence.

Their backfaced flanges provide smoother bolting surfaces and even bolt loading.

Features

• 316 stainless steel trim compatible with a broad range of media and operating conditions
• Full-open, through-conduit design for low pressure drop, less turbulence, and easy passing of pigs and spheres
• 90-durometer, peroxide-cured seals compatible with a broad range of media and operating conditions
• Bubble-tight shutoff
• Vertical flowup or horizontal installation
• Reduced installation guesswork
• Conformance to NACE MR0175/ISO 15156
• Cast on flanges for greater valve body integrity and fewer leak points
• API Spec 6D monogram and conformance to ASME B16.34 (for models 510 and 511)
• Fire-tested to API Spec 6FD requirements (excluding 1-in [25-mm] valve)
• Canadian Registration Number (CRN) upon request
• Bolted top-entry complete with 1/2-in [25-mm] NPT cover tap for gauges and accessories (excluding 1-in [25-mm] valve)
• Inline repair
• Through-pin clapper shaft that makes clapper removal easier and extends valve life by transferring wear and tear to an inexpensive replaceable part