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

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

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