Ventilating and Vacuum Breaker Valves Type 591/595

General

• Size: ⅜”–4”
• Material: PVC, CPVC, PROGEF® Standard PP, ABS,
SYGEF® Standard PVDF
• Seals: EPDM, FPM
• Type 595 Spring: 304 stainless steel
• End Connection: Solvent cement socket, threaded, flanged,
fusion spigot, fusion socket

Key Certifications

• FDA CFR 21 177.1520: PP
• FDA CFR 21 177.2600: EPDM and FPM
• FDA CFR 21 177.1550: PTFE
• USP 25 Class VI (physiological non-toxic): PP
• ABS: All materials

Optional Features

• Spring for 595: Nimonic 90, Halar coated stainless steel
• End Connection: Alternatives available upon request
• Cleaned: Silicone free/oil free
• Float Material for 591: Hollow PVDF