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Series KNX-55

Product catalog summary

Overview: The document provides technical specifications and details for the Series KNX-55 electrically operated low temperature valves, specifically designed for NAMUR applications. These valves are available in various configurations including 3/2-way and 5/2-way options.

Specifications:

Connection: G1/4, Namur
Nominal Size: 6 mm
Temperature Range: -30°C to +80°C
Medium: Filtered, oil-free, and dried compressed air according to ISO 8573-1:2010, Class 7:2:4
Materials: Body made of stainless steel 1.4571, seals of PU and NBR, inner parts of stainless steel 1.4305
Protection: IP 65 according to EN 60529
Compliance: Valves in accordance with 2014/34/EU (ATEX)

Valve Models:

KNX-55-311-HN-xxx: 3/2-way, single solenoid, mechanical spring return, NC
KNX-55-511-HN-xxx: 5/2-way, single solenoid, mechanical spring return
KNX-55-520-HN-xxx: 5/2-way, double solenoid

Technical Data:

Operating Pressure: 3 to 8 bar
Pilot Pressure: 3 to 8 bar
Flow Rate: 1280 Nl/min for KNX-55-311, 1060 Nl/min for KNX-55-511, 1050 Nl/min for KNX-55-520
Response Time at 6 bar: Varies by model
Weight: Ranges from 0.660 kg to 0.720 kg

Electrical Options:

Nominal Voltage: 24 V DC
Power Consumption: 4.2 W
Plug Connection: Form B industrial norm

Accessories:

Plug Sockets: Various models available with different voltage and protective circuit options
Solenoid Coils: Model 23-SP-060-1-712 with 24 V DC, 4.2 W power consumption, and IP 65 protection

Dimensions: Detailed dimensions are provided for different valve models and accessories, ensuring compatibility and proper installation.

Catalog excerpts

afiSec premium line Technical details Valves > low temperature valves > electrically operated >

Open the catalog to page 1

Valves > low temperature valves > electrically operated > 1 = pressure inlet 2,4 = outlets 3,5 = exhausts Plug socket (not included in scope of delivery) can be repositioned by 180°. Solenoid coil can be repositioned. Plug sockets: page 6-14

Open the catalog to page 2

afiSec premium line Form B industrial norm Valves > low temperature valves > electrically operated > accessories > Plug sockets Overall width Model-no.: Voltage (AC/DC) Status indicator Protective circuit Connecting cable Wire cross section no no no yes (varistor) yes (varistor) yes (varistor) yes (varistor) without without without without without 3 m 3 m * These plug sockets are fitted with integrated flat gaskets. Dimensions Form B industrial norm

Open the catalog to page 3