Parker Hannifin – PF11‑04WJSS – 1/2″ Stainless‑Steel Coalescing Filter

The PF11‑04WJSS is a rugged stainless-steel coalescing filter from Parker’s PF11 series, designed to offer high-efficiency removal of oil, water, and particulates from compressed air or gas systems. Engineered for demanding environments, it features corrosion-resistant materials and meets industry standards for reliability and filtration performance.

Key Features:

• Model: PF11‑04WJSS – stainless-steel bowl with manual twist drain, 1/2″ NPT ports  

• Construction: 316 stainless-steel housing and bowl; fluorocarbon seals; meets NACE MR-01-75/ISO 15156 standards  

• Filtration Ratings: 0.01 µm coalescing element; bowl capacity ~4 oz and sump ~1.7 oz  

• Port Size & Flow Rate: 1/2″ NPT; supports up to 45 SCFM (≈21 L/s)  

• Operating Conditions:

  • Pressure: 0–17.2 bar (250 psi)

  • Temp: 0 °F to 180 °F (–18 °C to 82 °C)  

• Drain Type: Manual twist drain (no sight gauge)  

• Certifications & Standards:

  • NACE MR-01-75 / ISO 15156 compliant for sour environments

  • FDA-grade seals

  • Compatible with harsh and corrosive atmospheres