Description
Keckley Silent Check Valve, Globe Style, Series: Style CG, 14 in Nominal, 285 psi, 150 lb, 100 deg F, Media: Gas/Oil/Water, 19-3/4 in Inlet to Outlet Length, Cast Carbon Steel Body, Cast 316 Stainless Steel Seat/Disc Trim, Epoxy Coated, 21 in Dia
Features:
- The Keckley style CG globe silent check valves are constructed from rugged castings that are machined to exacting specification
- Their bodies have drilled flange that are in accordance with ASME
- A spring automatically closes the disc at zero flow, which prevent flow reversal and water hammer
- The disc is fully guided at the top and bottom to prevent binding and cocking
- Designed for a minimum open area equal to 110 percent of the pipe size
- All size feature discs, which lift 1/3 of an inch from their seats for every 1 in of pipe size
- Field serviceable without the need for special tool
- Cast 316 stainless steel seat/disc
- 316 stainless steel spring/screw/bushing
- 500 deg F spring maximum operating temperature
- 3250 Cv flow coefficient
- 1-1/8 in Dia bolt hole
- The style CI is used in both vertical and horizontal application
Applications:
Liquid or gas where protection from flow reversal in a pipeline is required
Standards/Approval:
- ASTM A126-B
- ASTM B 62
- C83600 Seat/Disc
- ASTM A 182
- GRADE F-304 Spring/Screw/Bushing
- Design ASME B16.1
- MSS SP-6/25
- Testing API 598
