Stainless Steel Hygienic Powder Discharge Valves (often flap or shutter type) are specialized for gravity-fed solids handling in pharma and food sectors. Made from SS316L, they feature a wide, obstruction-free bore to prevent powder bridging and clumping. Their design prioritizes a Ra < 0.4um finish and FDA-grade seals (Silicone/PTFE) to ensure zero residue. They are easy to strip for cleaning and are essential for discharging mixers, hoppers, and silos safely and sanitarily.
Hygienic Powder Discharge Valve Technical Attributes
1,Standard Size Range,4" to 12" (DN100 – DN300)
2,Primary Material,Stainless Steel 316L (standard for contact parts)
3,Internal Polishing,Ra≤0.4μm (Mirror Finish) to prevent sticking
4,Connection Types,"Tri-Clamp, Bolted Flange (PN10/ANSI), or Tank Weld-on"
5,Seal / Seat Material,"FDA-compliant Silicone, EPDM, or White PTFE"
6,Disc/Flap Design,Ultra-slim profile to maximize flow area
7,Operating Pressure,Gravity feed (Standard) / up to 2 bar (Pressure Rated)
8,Design Principle,Easy-to-Strip / Zero-Dead-Leg for batch purity
9,Manual Operation,Multi-position pull-handle or handwheel
10,Automated Operation,Pneumatic Rotary Actuator (90° or 180°)
11,Compliance,"3-A Sanitary, FDA 21 CFR, and ATEX (Explosion Proof)"
12,Temperature Range,-20°C to +150°C (Material dependent)
13,Cleaning Compatibility,CIP (Clean-in-Place) and dry-wipe friendly
14,Body Construction,Two-piece split body for rapid seal replacement
15,Typical Applications,"Mixer outlets, Hopper discharge, IBC stations, Silos"
Contact: Jorge Yang
Phone: +86-13588258503
E-mail: sales@fluvalve.com
Whatsapp:+86-13588258503
Add: Room 331, South Building,Building 1, No.3 Jinpeng Street, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province
