Check Valves
Positive Backflow Prevention Check Valves
ViNtrol offers a full line of Threaded, Wafer Style, API 6D and API 6A Flanged Swing Check Valves and Piston Check Valves. Regardless of your application, whether it’s a new installation, valve replacement, or a customized solution, ViNtrol has the right valve for your project.
Series 32
Series 110
Series 35
Series D550
Size Ranges
1” thru 16”
Class 150 thru 1500 and API 5000
NACE MR0175/ISO 15156 (All Parts).
Series 32 Threaded Ends:
- Size Range: 1” thru 3”
- Pressures up to 2000 WOG
- Ductile Iron
- Horizontal and Vertical Up flow Service
- Full Port
Series 110 Wafer Style:
- Size Range: 2” thru 12”
- ANSI Pressure Class 150 thru 600
- Horizontal and Vertical Upflow Service
Series 35 API 6D & API 6A Flanged Ends:
- API 6D: 2” thru 16”, ANSI Pressure Class 150 thru 1500
- API 6A: 2” thru 4”, API 5000
- ASME B16.34 & B16.5 Specifications
- Shaft Style design with Integral seat
- Replaceable Seat (optional)
- Horizontal and Vertical Up flow Service
Series D550 Piston style, Flanged:
- Size Range: 2” thru 8”
- ANSI Pressure Class 600 and 900
- ASME B16.34 & B16.5 Specifications
- Designed, Engineered, Assembled & Tested in the USA