Wilden Hygienic series

Wilden’s air-operated double-diaphragm pumps (AODD) from the Sanitary & Hygienic series are specifically designed to meet the demanding hygiene and cleanliness requirements of the food, pharmaceutical, and cosmetics industries. The series includes both Saniflo™ Hygienic™ (HS) and Saniflo™ FDA models, which comply with the industry’s strictest standards (3A, FDA, EHEDG, ATEX, CE, EC 1935/2004, USP Class VI).

Why choose a Wilden Sanitary & Hygienic pump?

• Superior cleanability: The free-draining flow path enables CIP (Clean-In-Place) cleaning without disassembly.
• Certified safety: Meets 3A, FDA, and other international hygiene requirements.
• Versatile valve options: Ball, flap, and mushroom valves available.
• Gentle product handling: Suitable for shear-sensitive products.
• Easy maintenance: Fast cleaning and servicing.
• Durable construction: 316L stainless steel, Ra 0.8 µm surface finish, FDA-approved elastomers.

Typical applications

• Food and beverages (milk, juices, sauces)
• Pharmaceutical and bioprocessing
• Cosmetics and personal care
• Confectionery and protein-based products

Product series and technical specifications

Saniflo™ Hygienic™ (HS) Series

• Sizes: 25 mm – 76 mm (1” – 3”)
• Maximum flow rate: up to 844 l/min
• Materials: 316L SS, FDA-approved elastomers
• Valves: ball, flap, “mushroom” type
• CIP cleaning, COP cleaning (easy-to-disassemble design)

Saniflo™ FDA Series

• Sizes: 13 mm – 76 mm (½” – 3”)
• Maximum flow rate: up to 927 l/min
• Tri-Clamp® connections, fast maintenance and cleaning

Advanced technologies

• ProFlo® SHIFT air motor: Up to 60% lower air consumption.
• PureFuse™ IPD diaphragms: One-piece, CIP-cleanable diaphragm.
• Bolted and clamped designs: Complete sealing and safety.