Stainless Steel Sanitary Hygienic Butt Weld 21 Model LL Type Sanitary Pneumatic 3-way Flow Diverter Reversing Valve

Sanitary LL-type pneumatic 3-way diverter valves are designed for hygienic flow control and reliable media diversion in sanitary processing systems. These valves allow operators to redirect product flow between multiple pipelines while maintaining strict sanitary standards required in food, beverage, dairy, pharmaceutical, and biotechnology industries.

Manufactured from high-quality stainless steel (SS304 or SS316L), the valve provides excellent corrosion resistance, durability, and dependable sealing performance. The precision-engineered structure ensures smooth switching between pipeline routes while minimizing pressure loss during operation.

The pneumatic actuator enables automated operation and integration with modern process control systems. Optional position sensors and C-Top controllers can be installed to provide advanced monitoring and automation capabilities.

Sanitary pneumatic diverter valves are widely used in beer brewing, beverage production, dairy processing, fruit juice systems, pharmaceutical manufacturing, and biotechnology processing, where hygienic flow diversion and reliable valve operation are essential.

Standard
SMS, DIN, 3A

Material – Contact Parts
SS304 / SS316L (1.4301 / 1.4404)
Material inspection report available

Material – Non-contact Parts
SS304 (1.4301)

Size Range
1/2" – 4" (DN10 – DN100)

Connection Options
Butt Weld
Tri Clamp
Male Thread
Female-Male Thread
Union
Weld-Thread
Flange

Body Combination Models
20 Model, 30 Model
11 Model, 12 Model
21A Model, 22A Model
21 Model, 22 Model
31 Model, 32 Model
111 Model, 112 Model
121 Model, 122 Model
211 Model, 212 Model
221 Model, 222 Model

Power Options
Manual Operation
Stainless Steel Pneumatic Actuator
Position Sensor
C-Top Controller
C-Top Controller (AS-I)

Seal Materials
Silicone
EPDM
FKM
Buna

(All seal materials comply with FDA 21 CFR 177.2600)

Working Pressure
≤ 10 bar (145 psi)

Air Supply Pressure
5 – 8 bar (72.5 – 116 psi)

External Surface Finish
Ra 0.8 – 1.6 μm

Internal Surface Finish
Ra 0.4 – 0.8 μm

Applications

Food Processing
Beverage Production
Dairy Processing
Pharmaceutical Manufacturing
Biotechnology Processing