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Trafag AG sensors & controls
Data Sheet PV/PVF 903/907/915/940/941/942

Data Sheet PV/PVF 903/907/915/940/941/942

Product catalog summary

Overview
Trafag Sensors & Controls, based in Switzerland, is a leading supplier of high-quality sensors and monitoring instruments for pressure and temperature measurement. The document provides detailed specifications for the Vari Pressostat models PV/PVF 903/907/915/940/941/942, which are used in various industries such as shipbuilding, engine manufacturing, railways, machine tools, and hydraulics.

Features

Rugged aluminium housing with IP65 protection.
Flexible mounting positions.
Adjustable switching differential.

Technical Specifications

Measuring principle: Bellow with repeatability of ± 1.0% FS.
Measuring range: -0.9 to 40 bar (5 to 500 psi).
Media temperature: -40°C to +150°C.
Output signal: 1 Floating change-over contact (SPDT).
Ambient temperature: -25°C to +70°C.
Approvals: ABS, BV, DNV, GL, KRS, LRS, RINA, EN60730-1/EN60730-2-6.

Ordering Information

Type codes specify features such as display presence, adjustment screw type, and vibration resistance.
Pressure ranges and corresponding overpressure and burst pressure values are provided for each model.

Materials and Construction

Sensor material: Bronze bellow (CuSn6) or stainless steel 1.4435.
Sensor housing material: Brass (CuZn39Pb3), optionally nickel-plated.
Thread options: G1/4" female, G1/2" male, 1/4" NPT female.

Environmental and Mechanical Data

Protection: IP65.
Humidity: Max. 95% relative.
Vibration and shock resistance details provided.
Mounting torque: Max. 25 Nm.
Weight: Approximately 710 g.

Electrical Data

Microswitch ratings for resistive and inductive loads are specified.
Electrical connections include terminal screws and cable glands.

Additional Information

Further documentation and instructions are available on Trafag's website.

Catalog excerpts

Data Sheet PV/PVF 903/907/915/940/941/942-1

Vari Pressostat Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. Shipbuilding Engine manufacturing Railways Machine tools Hydraulics Rugged aluminium housing Protection IP65 Any mounting position possible Technical Data Measuring principle Measuring range Media temperature Output signal 1 Floating change-over contact (SPDT) Ambient temperature Switching differential Switching point Calibration for decreasing pressure Trafag Sensors & Controls Switzerland www.trafag.com [email protected]

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Data Sheet PV/PVF 903/907/915/940/941/942-2

PV/PVF 903/907/915/940/941/942 Ordering information/type code XXX XX XX XXXXXX XX XX Custom build code Large adjustable switching differential, without display, with internal adjustment screw Large adjustable switching differential, with display and external adjustment screw Small adjustable switching differential, with display and internal adjustment screw Small adjustable switching differential, without display, with internal adjustment screw Small adjustable switching differential, with display and external adjustment screw Large adjustable switching differential, with display and internal...

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Data Sheet PV/PVF 903/907/915/940/941/942-3

PV/PVF 903/907/915/940/941/942 XXX XX XX XXXXXX XX XX Fixing With mounting bracket Direct on sensor or housing Lead seal (manipulation protection) Screwed cable gland M20x1.5 (EN50262) s Screwed cable gland M24x1.5 (DIN89280) s Screwed cable gland M18x1.5 (DIN89280) s Damping elements and snubber see data sheet H72258 Switch 11 only with typ No. 940, 941, 942 Material with medium contact: 1.4435 3) Switching differential adjustable 1) 2) Standard products (extra short lead time) Product No. Type Code

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Data Sheet PV/PVF 903/907/915/940/941/942-4

PV/PVF 903/907/915/940/941/942 Specifications Accuracy Switching differential Adjustment range switchpoint Environmental conditions Screwed cable gland Brass nickel plated Mounting torque Dielectric strength Life time (mechanical) Microswitch 11: 20 Mio. cycles Microswitch 12/23: 0.3 Mio. cycles Electrical connections Terminal screw Cable gland Electrical connection Storage temperature Media temperature Mechanical Data Ambient temperature Other adjustment ranges upon request Additional information Documents Data sheet Instructions Flyer

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Data Sheet PV/PVF 903/907/915/940/941/942-5

Dimension X and Y see data sheet H72271

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Data Sheet PV/PVF 903/907/915/940/941/942-6

PV/PVF 903/907/915/940/941/942 Switching differential typ. @ 25°C Measuring range of bellows sensor Adjustable range of switching differential Microswitch 12, 23 (Type 903/907/915) Adjustable range of switching differential Microswitch 11, 12, 23 (Type 940/941/942) Measuring range of bellows sensor Adjustable range of switching differential Microswitch 12, 23 (Type 903/907/915) Adjustable range of switching differential Microswitch 11, 12, 23 (Type 940/941/942) Electrical data switch Rating Resistive Load (Inductive Load) Type 11*) Features Average switching differential High vibration resistance;...

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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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