Hard Seat Valve Series 400
DESCRIPTION
- Steel or 316 SS, 1/4″ NPT to 1-1/2″ NPT, 10,000 PSI Pressure Rating
- Metal to metal hard seat design is 100% Helium leak tested to 1 x 10-4ml/s
- 10,000 psi pressure rating (@200°F maximum)
- Blow out proof stem that provides a secondary stem seal in the full open position
- Stem packing below the threads prevents thread galling & corrosion
- Viton O-Ring & Teflon back-up ring stem seals
- All 316SS stems (even in steel valves) for longer life
- Stem and bonnet threads are rolled for greater strength and smoother operation
- Angled stem for precise flow metering
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