ALFA LAVAL NS-10 22219 NS-10 Hygienic Check Valve, 316L Stainless Steel

Overview

The ALFA LAVAL NS-10 22219 is a hygienic NS-10 non-return check valve for food, dairy and beverage process lines. It adopts spring-loaded disc design, full 316L wetted parts, smooth crevice-free internal surface for CIP cleaning. It is widely stocked as spare to prevent reverse flow in hygienic process circuits.

Features This NS-10 check valve opens with forward flow pressure and closes automatically by spring force to block backflow. The NS-10 22219 supports full CIP/SIP cleaning, complies with 3-A sanitary standards, and can be fitted with tri-clamp connections. Low pressure drop, easy disassembly for inspection and seal replacement.

Specs

Model: NS-10, part number 22219 Series: NS-10 hygienic check valve Type: spring-loaded non-return valve Wetted material: 316L stainless steel Connection: tri-clamp sanitary fitting Max temperature: 140°C (SIP) Surface finish: Ra ≤0.8 μm Certifications: 3-A, CE Product status: hygienic process spare

Principle

Forward fluid pressure overcomes the internal spring force and lifts the disc to allow flow. When flow stops or reverse pressure appears, the spring pushes the disc back onto the seat to seal and stop reverse flow.

Applications

The NS-10 22219 is widely deployed in dairy plants, breweries, food and beverage processing lines. It is used on product transfer, CIP return and pasteurization circuits to prevent back contamination.