1638-1 | Large diaphragm pressure switch | range 0.20-1.0
Get your Special Pricing!
Log In / Create an Account for the LOWEST PRICING on our most Popular Brands!

Web Price:

$551.03
Availability: This product is currently available to purchase

Contact us for price breaks on large quantities!

Orders over $999 ship FREE*
*Free shipping applies within the continental US and weighing less than 50 lbs. Shipping and Returns Terms
Ship to Estimates
Are you from Chicago?
Yes / No
This item ships to
Change
Cancel


*shipping cost are estimated until you complete your order

The product is not cancelable or returnable unless found defective

Speak With a Technical Expert

Image for Technical Expert

1638-1 | Large diaphragm pressure switch | range 0.20-1.0" w.c. | approx deadband @ 0.04 min. set point | 0.06 max. set point. | Dwyer

Large diaphragm pressure switch, range 0.20-1.0" w.c., approx deadband @ 0.04 min. set point, 0.06 max. set point.

Brand: DwyerSKU: 1638-1
Dwyer | 1638-1
The photo is for representation purposes only and may not be a photo of product being purchased.
Search products similar to 1638-1

Overview Details for 1638-1

See catalog product page for full listing

Large diaphragm pressure switch | range 0.20-1.0" w.c. | approx deadband @ 0.04 min. set point | 0.06 max. set point.

Series 1630 Large Diaphragm Pressure Switches

Visual Set Point Adjustment in 5 Standard Ranges, 0.05" to 12" w.c. Repetitive Accuracy within ±1%

On the Series 1630 Large Diaphragm Pressure Switch our highest precision conventional pressure switch provides maximum dependability. In addition, it incorporates a visible set point indicator for maximum convenience. UL and CSA listed, FM approved for general service. Electrical capability of 15 amps handles most small electrical loads. For use only with air or compatible gases.

CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.

Product Applications

  • Damper positioning
  • Duct air control
  • Air conditioning
  • Industrial service
  • Visible set point indicator simplifies operation and trouble shooting
  • Large diaphragm provides low range accuracy providing precise control
  • Current loads of up to 15 amps supports most small electrical loads supporting a broader range of HVAC and Process applications without the need for additional relays and components

Specifications

Series
1630 Large Diaphragm Pressure Switches
Category/Type
Pressure
Type
Differential Pressure
Series
1630 Large Diaphragm Pressure Switches
Service
Air and non-combustible; compatible gases.
Wetted Materials
Consult factory.
Temperature Limits
-30 to 110°F (-34.4 to 43.3°C).
Pressure Limits
10 psig (68.95 kPa) continuous; 25 psig (172.4 kPa) surge.
Switch Type
SPDT.
Repeatability
±1%.
Electrical Rating
15 A @ 120-480 VAC; 60 Hz. Resistive; 1/8 HP @ 125 VAC; 1/4 HP @ 250 VAC; 60 Hz.
Electrical Connections
3 screw type; common; normally open and normally closed.
Process Connections
1/8" female NPT.
Mounting Orientation
Diaphragm in vertical position. Consult factory for other position orientations.
Set Point Adjustment
Screw type with enclosed scale.
Weight
3 lb 3 oz (1.50 kg).
Agency Approvals
CSA; FM; UL.

Reviews