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DWYER A4 differential pressure switch

Rugged Series A4 Differential Pressure Switch offers field adjustments and can handle system pressures up to 6000 psig. Piston design allows mounting in any orientation. The switch is capable of carrying moderate shock and vibratory loads.

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Made in USA. brand DWYER, model A4

Fast delivery to Latvia, Estonia and Lithuania. International delivery to Europe, Asia, Africa and other continents available on request
Our warehouse is located in Riga, Latvia.

Retailprice from $236

Available

Available

Founded in 1931, DWYER manufactures equipment for measurement, conversion and control – pressure, temperature, level, flow.

Advantages

Official distributor in Latvia

Time-tested American, European and Asian brands of control and measurent instruments

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Special price list for organisations

We offer a significant discount for trade organisations and manufacturing companies

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Worldwide shipping on request

We take care of all logistics and customs clearance. Fast delivery to Baltic countries

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After-sales service and support

Warranty service and repair, expert assistance in the operation of the instruments

Technical specifications of DWYER A4

  • Service: Compatible gases.
  • Wetted Materials: Body, piston, and fittings: anodized aluminum; spring: steel.
  • Temperature Limits: -65 to 225°F (-54 to 107°C).
  • Pressure Limits: 2000 psid (138 bar).
  • Repeatability: See Ordering page.
  • Switch Type: SPDT.
  • Electrical Rating: AC: 3 VA, 0.25A @ 120 VAC; 5 VA, 0.25A @ 175 VDC.
  • Electrical Connection: 24 AWG X 12″ (30.5 cm) wire leads.
  • Process Connection: 1/4″ female NPT.
  • Mounting Orientation: Any.
  • Set Point Adjustment: See Ordering page.
  • Weight: 8.5 oz (241 g).
  • Agency Approvals: CE.

How to buy DWYER A4

Model Description Price
A4-1 Differential pressure switch, ±2 psi (.14 bar) repeatability, set point (increasing) 7-13 psid (.48-.89 bar), set point (decreasing) 2-7 psid (.14-.48 bar).
$236.00
A4-2 Differential pressure switch, ±4 psi (.28 bar) repeatability, set point (increasing) 13-25 psid (.89-1.7 bar), set point (decreasing) 5-16 psid (.34-1.1 bar).
$236.00
A4-3 Differential pressure switch, ±8 psi (.55 bar) repeatability, set point (increasing) 25-45 psid (1.7-3.1 bar), set point (decreasing) 10-21 psid (.68-1.5 bar).
$236.00
A4-4 Differential pressure switch, ±16 psi (1.1 bar) repeatability, set point (increasing) 35-160 psid (2.4-11.0 bar), set point (decreasing) 20-80 psid (1.4-5.5 bar).
$236.00
A4-5 Differential pressure switch, ±32 psi (2.2 bar) repeatability, set point (increasing) 120-250 psid (8.3-17.2 bar), set point (decreasing) 35-120 psid (2.4-8.3 bar).
$236.00
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User Guide and Instruction manual for DWYER A4

You can request the necessary certificates, documentation, instructions and user guide for DWYER A4 using the special form.

You can buy DWYER A4 in Latvia at a price starting from236 $ in «OLIL SIA» by leaving a request on the website, by phone +371 672 70580 or by email . DWYER A4 price are subject to change depending on exchange rates. We deliver instruments by transport companies in Latvia, Estonia and Lithuania. Worldwide shipping to Europe, Asia, Africa, North and South America available on request.