Keterangan :

• NSF/ ANSI 61 certified
• Manufactured under a certified ISO 9001 quality system
• Available in sizes 1/ 2" - 42"
• Available in sizes 3" - 42" with Optional Air Release Valve
• Cushions surges related to column separation
• Opens in response to a 0.25 psi vacuum - Consult Factory for other pressure requirements

• Full flow areas provide maximum vacuum protection for piplelines and tanks
• Resilient seals provide drop tight seating
• Connections for optional air release valve - to vent entrained air
• Available with optional inflow preventer
• Available with optional screened hood