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

Model: 1638-2

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

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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.

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.

Sale Price $564.19 USD
Regular Price $616.60 USD
Availability 5 Days
Quantity

Dwyer 1638-2 Offers

Features

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

Functional Specifications

Functional Specifications

Functional Specifications

Functional Specifications

  • Service: Air and non-combustible, compatible gases
  • Service: Air and non-combustible, compatible gases
  • Service: Air and non-combustible, compatible gases
  • Service: Air and non-combustible, compatible gases
  • Wetted Materials: Consult factory
  • Wetted Materials: Consult factory
  • Wetted Materials: Consult factory
  • Wetted Materials: Consult factory
  • Temperature Limits: -30 to 110°F (-34.4 to 43.3°C)
  • Temperature Limits: -30 to 110°F (-34.4 to 43.3°C)
  • Temperature Limits: -30 to 110°F (-34.4 to 43.3°C)
  • 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
  • Pressure Limits: 10 psig (68.95 kPa) continuous, 25 (172.4 kPa) psig surge
  • Pressure Limits: 10 psig (68.95 kPa) continuous, 25 (172.4 kPa) psig surge
  • Pressure Limits: 10 psig (68.95 kPa) continuous, 25 (172.4 kPa) psig surge
  • Switch Type: Single-pole double-throw (SPDT)
  • Switch Type: Single-pole double-throw (SPDT)
  • Switch Type: Single-pole double-throw (SPDT)
  • Switch Type: Single-pole double-throw (SPDT)
  • Repeatability: ±1%
  • Repeatability: ±1%
  • Repeatability: ±1%
  • 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 Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz
  • Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz
  • 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
  • Electrical Connections: 3 screw type, common, normally open and normally closed
  • Electrical Connections: 3 screw type, common, normally open and normally closed
  • Electrical Connections: 3 screw type, common, normally open and normally closed
  • Process Connections: 1/8" female NPT
  • Process Connections: 1/8" female NPT
  • Process Connections: 1/8" female NPT
  • Process Connections: 1/8" female NPT
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations
  • Set Point Adjustment: Screw type with enclosed scale
  • Set Point Adjustment: Screw type with enclosed scale
  • Set Point Adjustment: Screw type with enclosed scale
  • Set Point Adjustment: Screw type with enclosed scale

Functional Specifications

Functional Specifications

Functional Specifications

Functional Specifications

  • Weight: 4 Ib, 14 oz (2.21 kg)
  • Weight: 4 Ib, 14 oz (2.21 kg)
  • Weight: 4 Ib, 14 oz (2.21 kg)
  • Weight: 4 Ib, 14 oz (2.21 kg)
  • Agency Approvals: UL, CSA and FM
  • Agency Approvals: UL, CSA and FM
  • Agency Approvals: UL, CSA and FM
  • 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.)

Click on a category to view a selection of compatible accessories with the Dwyer 1638-2 Large Diaphragm Pressure Switch (1.0-3.0"w.c.).

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.



Ask a question about Dwyer 1638-2 Large Diaphragm Pressure Switch (1.0-3.0"w.c.)

Customer Reviews for the Dwyer 1638-2

Dwyer 1638-2 Offers

Features

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

Functional Specifications

Functional Specifications

Functional Specifications

Functional Specifications

  • Service: Air and non-combustible, compatible gases
  • Service: Air and non-combustible, compatible gases
  • Service: Air and non-combustible, compatible gases
  • Service: Air and non-combustible, compatible gases
  • Wetted Materials: Consult factory
  • Wetted Materials: Consult factory
  • Wetted Materials: Consult factory
  • Wetted Materials: Consult factory
  • Temperature Limits: -30 to 110°F (-34.4 to 43.3°C)
  • Temperature Limits: -30 to 110°F (-34.4 to 43.3°C)
  • Temperature Limits: -30 to 110°F (-34.4 to 43.3°C)
  • 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
  • Pressure Limits: 10 psig (68.95 kPa) continuous, 25 (172.4 kPa) psig surge
  • Pressure Limits: 10 psig (68.95 kPa) continuous, 25 (172.4 kPa) psig surge
  • Pressure Limits: 10 psig (68.95 kPa) continuous, 25 (172.4 kPa) psig surge
  • Switch Type: Single-pole double-throw (SPDT)
  • Switch Type: Single-pole double-throw (SPDT)
  • Switch Type: Single-pole double-throw (SPDT)
  • Switch Type: Single-pole double-throw (SPDT)
  • Repeatability: ±1%
  • Repeatability: ±1%
  • Repeatability: ±1%
  • 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 Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz
  • Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz
  • 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
  • Electrical Connections: 3 screw type, common, normally open and normally closed
  • Electrical Connections: 3 screw type, common, normally open and normally closed
  • Electrical Connections: 3 screw type, common, normally open and normally closed
  • Process Connections: 1/8" female NPT
  • Process Connections: 1/8" female NPT
  • Process Connections: 1/8" female NPT
  • Process Connections: 1/8" female NPT
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations
  • Set Point Adjustment: Screw type with enclosed scale
  • Set Point Adjustment: Screw type with enclosed scale
  • Set Point Adjustment: Screw type with enclosed scale
  • Set Point Adjustment: Screw type with enclosed scale

Functional Specifications

Functional Specifications

Functional Specifications

Functional Specifications

  • Weight: 4 Ib, 14 oz (2.21 kg)
  • Weight: 4 Ib, 14 oz (2.21 kg)
  • Weight: 4 Ib, 14 oz (2.21 kg)
  • Weight: 4 Ib, 14 oz (2.21 kg)
  • Agency Approvals: UL, CSA and FM
  • Agency Approvals: UL, CSA and FM
  • Agency Approvals: UL, CSA and FM
  • Agency Approvals: UL, CSA and FM
Show More...

What's included with the Dwyer 1638-2

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

Click on a category to view a selection of compatible accessories with the Dwyer 1638-2 Large Diaphragm Pressure Switch (1.0-3.0"w.c.).

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.



Ask a question about Dwyer 1638-2 Large Diaphragm Pressure Switch (1.0-3.0"w.c.)

Customer Reviews for the Dwyer 1638-2

More Dwyer Products


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