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Trafag AG sensors & controls
DIFFERENTIAL PRESSURE PRESSOSTAT PD 920/924/932

DIFFERENTIAL PRESSURE PRESSOSTAT PD 920/924/932

Product catalog summary

Overview: Trafag Sensors & Controls, based in Switzerland, provides high-quality sensors and monitoring instruments for pressure and temperature measurement. This document details the specifications and features of the Differential Pressure Pressostat models PD 920/924/932.

Applications: These pressostats are suitable for shipbuilding, engine manufacturing, railways, machine tools, and hydraulics. They feature rugged aluminum housing and IP65 protection, allowing for any mounting position.

Technical Specifications:

Measuring Principle: Bellow
Repeatability: ± 1.0% FS typ.
Measuring Range: -1 to 18 bar
Media Temperature: -40°C to +150°C
Ambient Temperature: -25°C to +70°C
Output Signal: 1 Floating change-over contact (SPDT)
Approval/Conformity: ABS, BV, CCS, DNV-GL, KRS, LRS, RINA, EN60730-1/EN60730-2-6: Typ 2.B.H

Ordering Information: The type code includes options for display, adjusting screws, and various microswitch configurations with different vibration resistances and switching differentials.

Pressure Ranges and Materials: The document provides detailed tables of pressure ranges, differential pressures, overpressure, burst pressure, and sensor materials. Options include bellows made of 1.4435 stainless steel and bronze, with various thread types and housing materials.

Accessories: Available accessories include lead seals, cable glands, and adapters in different materials and sizes.

Specifications:

Accuracy: Repeatability ± 1.0% FS, Scale accuracy ± 2.0% FS
Environmental Conditions: Humidity max. 95% relative, Vibration and shock resistance detailed for different switch types
Mechanical Data: Housing made of AlSi10Mg, epoxy coated, with NBR sealing
Electrical Connection: Screw terminal with cable gland M20x1.5

Dimensions: Detailed diagrams and measurements are provided for installation and mounting.

Switching Differential and Electrical Data: Tables specify switching differentials for various microswitch types and their electrical ratings for resistive and inductive loads.

Catalog excerpts

DIFFERENTIAL PRESSURE PRESSOSTAT PD 920/924/932-1

Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. Features ■ Shipbuilding ■ Engine manufacturing ■ Railways ■ Machine tools ■ Hydraulics ■ Rugged aluminium housing ■ Protection IP65 ■ Any mounting position possible Subject to change Data sheet H72253r 06/2020 Trafag Sensors & Controls Switzerland www.trafag.com [email protected] trcifciq sensors controls

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11 Switching differential not adjustable 2) Not suitable for applications under vibration Standard products (extra short lead time) H72253r page 3/6 trofaq sensors ^^controls

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Electrical Connection trofaq sensors ^^controls

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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