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DwyerMeasurement

Dwyer Static pressure tap stainless A-491

Dwyer A-491 static pressure tap measures air and gas flow in HVAC and industrial ducting systems. Features stainless steel 304 probe construction with barbed fitting for 3/16" ID tubing, available in lengths up to…

SKU 3G-CBM-02383

Also listed as: A 491 · A-491

Brand
Dwyer
Item
Static pressure tap stainless A-491
Part Number
A491
Category
Measurement
UNSPSC
41112412 — Pressure gauge
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dwyer
Manufacturer Part Number
A491
connection
barbed fitting for 3/16" ID tubing
material probe
stainless steel 304
material flange
stainless steel 430
material fitting
stainless steel 303
available lengths mm
101, 152, 203

Technical Documents

(1)
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Dwyer A-491 static pressure tap measures air and gas flow in HVAC and industrial ducting systems. Features stainless steel 304 probe construction with barbed fitting for 3/16" ID tubing, available in lengths up to 203 mm. Ideal for duct-mounted pressure sensing applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

Where can I buy a Dwyer A-491 static pressure tap in the Philippines?

3G Electric Philippines supplies the Dwyer A-491 for delivery to Manila, Quezon City, and nationwide. We handle Bureau of Customs documentation and provide PHP invoicing. Contact us for availability and lead times.

What are the available lengths for the Dwyer A-491?

The A-491 is available in three lengths: 101 mm, 152 mm, and 203 mm. All feature stainless steel 304 probe construction with a barbed fitting for 3/16" ID tubing connection.

What applications is the Dwyer A-491 static pressure tap suitable for?

The A-491 is ideal for duct-mounted pressure sensing in HVAC systems and industrial ducting. It measures air and gas flow in ventilation and process applications requiring stainless steel durability in corrosive or high-temperature environments.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management
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Dwyer Products

3G Electric supplies Dwyer measurement. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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