WHEATLEY Series 500 Check valve

Distribution Terminals

Exploration & Production

Refining & Petrochemical

Transport and Storage

316 stainless steel trim is compatible with a broad range of media and operating conditions
Full-open, through-conduit design for low pressure drop and less turbulence (allowing valves to easily pass pigs and spheres)
90-durometer, peroxide-cured seals are compatible with a broad range of media and operating conditions
Seals provide a bubble-tight shutoff
Suitable for vertical flow up or horizontal installation
All materials conform to NACE MR0175/ISO 15156
Cast on flanges provide greater valve body integrity and fewer leak points
API 6D Monogram (510/511 only)
Designed in accordance with ASME B16.34 (510/511 only)
Valve is fire-tested to API 6FD requirements, except for 1” (25 mm) valve
Flanges are back-faced, an extra manufacturing step that provides smoother bolting surfaces and even bolt loading
Bolted top entry, complete with 1/2” (12.7 mm) NPT cover tap for gauges and accessories, except for 1” (25 mm) size
In-line repairable
Through-pin clapper shaft makes clapper removal easier, and extends valve life by transferring wear and tear to an inexpensive replaceable part