Non Return Valve 802 Cartridge Designed to assist in sealing during low reverse pressures, using springs which are selected to give minimal accumulation and lift pressures throughout the range. Sealing is better than 0.1 barG (2psi) in reverse flow.
Available in 6 different sizes ranging from DN 6 to 50 (1\4" to 2").
Operating pressures range from 0 to 400 barG (0 to 6000 psi).
Materials of Construction
- Cartridges - Stainless Steel Nickel Aluminum Bronze
- Housings/Bodies - Stainless Steel 70/30 Cu Ni
802 Non-Return Valve Space Envelope
- Butt or socket weld