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The Bonomi S800 High Capacity in-line Spring Loaded Stainless Steel Check Valve 800 WOG FNPT Threaded PTFE Seat. Corrosion resistant, excellent for use on chemicals. The pressure rating by size: 1/4" to 2" 800 WOG for size 2", 2 1/2" to 3" 600 WOG.
Available in sizes 1/4" to 3".

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The S800 series inline stainless-steel check valve is an ASTM A351-CF8M rugged investment cast valve with an 800PSI rating and a PTFE seat. This series features a double guided stem, a 316 SS spring, and with a ½ PSI cracking pressure. It is ideally suited for most chemical applications, and has a saturated steam rating to 125WSP, and ASME/ANSI B1.20.1 thread depths.
The Bonomi High Capacity check valve S800 Series Features:
- The pressure rating by size: 1/4" to 2" 800 WOG for size 2", 2 1/2" to 3" 600 WOG.
- 125 WSP saturated steam
- Wide Temperature Range -4°F to 400°F (°C -20 - 204)
- ANSI B1.20.1 connections
- Soft PTFE seat for Bubble tight shutoff, spring loaded for fast seating action
- Low cracking pressure 1/2 psi
- Stainless steel
- Flow profile designed to minimize head loss
- Perfect sealing both at high and low pressure
- Corrosion resistant, excellent for use on chemicals
- Dual guided stem and disc
- Sizes 1/4" to 3"
Summary Specifications for Bonomi S800 (Please see attachment for full specs.)
Size 1/4" 3/8" 1/2" 3/4" 1" 1 1/4" 1 1/2" 2" 2 1/2" 3" PSI 800 800 800 800 800 800 800 800 600 600 Weight (lbs.) .42 .42 .40 .85 1.30 2.50 3.40 6.00 12.00 19.00 Bonomi S800 Spec Sheet Bonomi S800No customer reviews for the moment.