Hy-Grade Valve, Inc. products
HY-GRADE - Lug Wafer Pattern Check Valve
Solid Lug Pattern Thru Holes (F) and Threaded (L) Double Flanged. Manufactured to API Std. 594. Sizes 1" - 24". Classes ASME 150 - 2500 API 3,000 - 15,000.
HY-GRADE - Swing Check Valve
Manufactured to: ASME B16.10 Face-to-Face. Sizes: 1" - 16". Classes: ASME 150 - 2500.
HY-GRADE - Full Opening Check Valve
Capable of Passing Pigs, Scrapers or Spheres Suitable for Sub-Sea Service. Sizes: 2" - 24". Classes: ASME 150 - 2500 API 3,000 - 15,000. Optional Features: NACE MR01-75.
HY-GRADE - Wafer Pattern Check Valve
Manufactured to: API Std. 594. Sizes: 1" - 24". Classes: ASME 150 - 2500 API 3,000 - 15,000.
HY-GRADE - High Performance Dual Plate
Dual Plate Design; Manufacturing to API Std. 594. Integral Shaft and Disc Design with NO Hinge or Stop Pins. The Discs Swing Out of the Flow Stream Resulting in High Flow Capacities and Low Pressure Drops. Renewable Seats for Low Cost and Easy Maintenance. Each Disc has an Independent Spring for Instant Non-Slam Operation. The Springs are Shielded from the Flow Stream for Improved Service. Retainerless Design with No External Holes or Leak Points for Zero Fugitive Emissions.