This Siemens Powers Controls 331-3070 No. 6 Damper Actuators is in unused condition and is guaranteed to be fully functional. This item came from a local MFG that had surplus new/old stock replacement inventory. We can accept Paypal or your credit card. Please feel free to contact us with any questions.
Description
The No. 6 Damper Actuators - Tandem Mounting consist of two No. 6 actuators piloted
by a positioning relay mounted on a sturdy angle iron frame.
Features
• Spring span and start point are adjustable
• Actuators have spring return
• Diaphragms are replaceable
Application
The No. 6 Damper Actuators - Tandem Mounting is recommended to position inlet
vanes on fans or large dampers that use a jackshaft.
Product Number 331-3070
Specifications
Effective diaphragm area 35.8 inch2
(230 cm2
)
Stroke 4 inch (102 mm)
Diaphragm Ozone-resistant silicone rubber
Maximum air pressure 30 psig (210 kPa)
Spring start point-adjustable 3 to 10 psig (21 to 69 kPa)
Spring span-adjustable 3 to 10 psig (21 to 69 kPa)
Spring range-factory setting 3 to 13 psig (21 to 90 kPa)
Ambient temperature range
Operating -20°F to 200°F (-29°C to 93°C)
Air connection 1/8-inch NPT
Type of mounting Pivot