Series 1630 Large Diaphragm Pressure Switch

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

MODELS & ORDERING

SPECIFICATIONS

• 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.

FEATURES

• 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

OPTIONS

• -MIL Environmental Construction.Unlisted Model 1635 can be furnished with a special snap switch sealed against the environment for high humidity,exposure to fungus, and/or for military applications. Similar to Model 1638 except dead band is slightly greater and some lower set points may not be available. Specify Model 1638-(range no.)-MIL and required set point in ordering.
• -WP Weatherproof Housing.16 ga. steel enclosure for unusually wet or oily 

ACCESSORIES

Model Number  Description

• A-489-4" 303 SS Straight Static Pressure Tip With Flange, 1/4" Hose Barb.
• A-302F-A-303 SS Static Pressure Tip With Mounting Flange, for 3/16" I.D. Rubber Or Plastic Tubing.4" Insertion Depth, Includes Mounting Screws 

Additional Information:

• Item Code: Series-1630-Large-Diaphragm-Pressure-Switch
• www.envirotechindustrialproducts.in
• www.envirotechindustrialproduct.com
• www.envirotechindustrialproducts.com

Dwyer 1638-0 Large Diaghragm Pressure Switch

• Dwyer 1638-0 Large Diaphragm Pressure Switch (0.05-0.25"w.c.)
• Model: 1638-0

Visual Set Point Adjustment in 5 Standard Ranges, 0.05" to 12" w.c. Repetitive Accuracy within ±1%. Our Highest Precision Conventional Large Diaphragm Pressure Switch Provides Maximum Dependability.

Dwyer 1630 Series Offers

Features

• Incorporates a visible set point indicator for maximum convenience
• UL and CSA listed, FM approved for general service, these switches are suitable for most applications in air conditioning and industrial service
• Electrical capability of 15 amps handles most small electrical loads
• CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES

Functional Specifications

• 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 (172.4 kPa) PSIG Surge
• Switch Type: Single-Pole Double-Throw (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: 4 Ib, 14 oz (2.21 kg)
• Agency Approvals: UL, CSA and FM

What's included with the Dwyer 1638-0

• Dwyer 1638-0 Large Diaphragm Pressure Switch (0.05-0.25"w.c.)

ACCESSORIES

• Dwyer A-602 Air Filter Kit A-602
• Kit Includes Two Static Pressure Tips With Integral Compression Fittings,Two Five-Foot Lengths of 1/4" Aluminum Tubing And Two 1/8" NPT to 1/4" Tubing Compression Fittings. Must Buy Gauge Separately.

Additional Information:

• Item Code: Dwyer-1638-0-Large-Diaghragm-Pressure-Switch
• www.envirotechindustrialproducts.in
• www.envirotechindustrialproduct.com
• www.envirotechindustrialproducts.com

Dwyer 1638-1 Large Diaghragm Pressure Switch

• Dwyer 1638-1 Large Diaphragm Pressure Switch (0.20-1.0"w.c.)
• Model: 1638-1

Visual Set Point Adjustment in 5 Standard Ranges, 0.05" to 12" w.c. Repetitive Accuracy within ±1%. Our Highest Precision Conventional Large Diaphragm Pressure Switch Provides Maximum Dependability.

Dwyer 1630 Series Offers

Features

• Incorporates a Visible Set Point Indicator For Maximum Convenience
• UL and CSA listed, FM Approved For General Service,These Switches are Suitable For Most Applications in Air Conditioning And Industrial Service
• Electrical capability of 15 Amps Handles Most Small Electrical Loads
• CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES

Functional Specifications

• 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 (172.4 kPa) PSIG Surge
• Switch Type: Single-Pole Double-Throw (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: 4 Ib, 14 oz (2.21 kg)
• Agency Approvals: UL, CSA and FM

What's included with the Dwyer 1638-1

• Dwyer 1638-1 Large Diaphragm Pressure Switch (0.20-1.0"w.c.)

ACCESSORIES

• Dwyer A-602 Air Filter Kit A-602
• Kit Includes Two Static Pressure Tips With Integral Compression Fittings,Two Five-Foot Lengths of 1/4" Aluminum Tubing And Two 1/8" NPT to 1/4" Tubing Compression Fittings. Must Buy Gauge Separately.

Additional Information:

• Item Code: Dwyer-1638-1-Large-Diaghragm-Pressure-Switch
• www.envirotechindustrialproductsdelhi.com
• www.envirotechindustrialproduct.info
• www.envirotechindustrialproducts.info

Dwyer 1638-10 Large Diaghragm Pressure Switch

• Dwyer 1638-10 Large Diaphragm Pressure Switch (3.0-12"w.c.)
• Model: 1638-10

Visual Set Point Adjustment in 5 Standard Ranges, 0.05" to 12" w.c. Repetitive Accuracy within ±1%. Our Highest Precision Conventional Large Diaphragm Pressure Switch Provides Maximum Dependability.

Dwyer 1630 Series Offers

Features

• Incorporates a visible set point indicator for maximum convenience
• UL and CSA listed, FM approved for general service, these switches are suitable for most applications in air conditioning and industrial service
• Electrical capability of 15 amps handles most small electrical loads
• CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES

Functional Specifications

• 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 (172.4 kPa) PSIG Surge
• Switch Type: Single-Pole Double-Throw (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: 4 Ib, 14 oz (2.21 kg)
• Agency Approvals: UL, CSA and FM

What's included with the Dwyer 1638-10

• Dwyer 1638-10 Large Diaphragm Pressure Switch (3.0-12"w.c.)

ACCESSORIES

• Dwyer A-602 Air Filter Kit A-602
• Kit Includes Two Static Pressure Tips With Integral Compression Fittings,Two Five-Foot Lengths of 1/4" Aluminum Tubing And Two 1/8" NPT to 1/4" Tubing Compression Fittings. Must Buy Gauge Separately.

Additional Information:

• Item Code: Dwyer-1638-10-Large-Diaghragm-Pressure-Switch
• www.envirotechdelhi.com
• www.envirotechindia.co.in
• www.envirotechdelhi.in

Dwyer 1638-2 Large Diaghragm Pressure Switch

• Dwyer 1638-2 Large Diaphragm Pressure Switch (1.0-3.0"w.c.)
• Model: 1638-2

Visual Set Point Adjustment in 5 Standard Ranges, 0.05" to 12" w.c. Repetitive Accuracy within ±1%. Our Highest Precision Conventional Large Diaphragm Pressure Switch Provides Maximum Dependability.

Dwyer 1630 Series Offers

Features

• Incorporates a visible set point indicator for maximum convenience
• UL and CSA listed, FM approved for general service, these switches are suitable for most applications in air conditioning and industrial service
• Electrical capability of 15 amps handles most small electrical loads
• CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES

Functional Specifications

• 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 (172.4 kPa) PSIG Surge
• Switch Type: Single-Pole Double-Throw (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: 4 Ib, 14 oz (2.21 kg)
• Agency Approvals: UL, CSA and FM

What's included with the Dwyer 1638-2

• Dwyer 1638-2 Large Diaphragm Pressure Switch (1.0-3.0"w.c.)

ACCESSORIES

• Dwyer A-602 Air Filter Kit A-602
• Kit Includes Two Static Pressure Tips With Integral Compression Fittings,Two five-foot lengths of 1/4" Aluminum Tubing And Two 1/8" NPT to 1/4" Tubing Compression Fittings. Must Buy Gauge Separately.

Additional Information:

• Item Code: Dwyer-1638-2-Large-Diaghragm-Pressure-Switch
• www.envirotechindustrialproducts.co.in
• www.envirotechindustrialproduct.co.in
• www.envirotechindustrialproduct.in

Dwyer 1638-5 Large Diaghragm Pressure Switch

• Dwyer 1638-5 Large Diaphragm Pressure Switch (2.0-6.0"w.c.)
• Model: 1638-5

Visual Set Point Adjustment in 5 Standard Ranges, 0.05" to 12" w.c. Repetitive Accuracy within ±1%. Our Highest Precision Conventional Large Diaphragm Pressure Switch Provides Maximum Dependability.

Dwyer 1630 Series Offers

Features

• Incorporates a Visible Set Point Indicator For Maximum Convenience
• UL and CSA listed, FM Approved For General Service,These Switches are Suitable For Most Applications in Air Conditioning And Industrial Service
• Electrical capability of 15 Amps Handles Most Small Electrical Loads
• CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES

Functional Specifications

• 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 (172.4 kPa) PSIG Surge
• Switch Type: Single-Pole Double-Throw (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: 4 Ib, 14 oz (2.21 kg)
• Agency Approvals: UL, CSA and FM

What's included with the Dwyer 1638-5

• Dwyer 1638-5 Large Diaphragm Pressure Switch (2.0-6.0"w.c.)

ACCESSORIES

• Dwyer A-602 Air Filter Kit A-602
• Kit Includes Two Static Pressure Tips With Integral Compression Fittings,Two Five-Foot Lengths of 1/4" Aluminum Tubing And Two 1/8" NPT to 1/4" Tubing Compression Fittings. Must Buy Gauge Separately.

Additional Information:

• Item Code: Dwyer-1638-5-Large-Diaghragm-Pressure-Switch
• www.envirotechindustrialproducts.net
• www.envirotechindustrialproduct.net
• www.envirotechindustrialproductsindia.in