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Summary of Contents for Endress+Hauser CUA261
- Page 1 Products Solutions Services BA01652C/07/EN/02.23-00 71636359 2023-11-06 Operating Instructions CUA261 Adapter for installing process photometers in VARIVENT process connections...
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Page 2: Table Of Contents
Table of contents CUA261 Table of contents About this document ... 3 Safety information ....3 Symbols used . -
Page 3: About This Document
CUA261 About this document About this document Safety information Structure of information Meaning This symbol alerts you to a dangerous situation. DANGER Failure to avoid the dangerous situation will result in a fatal or serious injury. Causes (/consequences) If necessary, Consequences of non- compliance (if applicable) ‣... -
Page 4: Basic Safety Instructions
Repairs not described in the Operating Instructions provided must be carried out only directly at the manufacturer' s site or by the service organization. Intended use The CUA261 adapters are designed for the installation of optical sensors (OUSAF44, OUSAF12, OUSAF22, OUSAF46 and OUSTF10) in pipes with VARIVENT process connections (N 68 mm). -
Page 5: Product Safety
CUA261 Incoming acceptance and product identification Product safety The product is designed to meet state-of-the-art safety requirements, has been tested, and left the factory in a condition in which it is safe to operate. The relevant regulations and international standards have been observed. -
Page 6: Scope Of Delivery
The product structure is displayed in a popup window. Click the product overview. A new window opens. Here you fill information pertaining to your device, including the product documentation. Manufacturer's address Endress+Hauser Conducta GmbH+Co. KG Dieselstraße 24 70839 Gerlingen Germany Scope of delivery The scope of delivery comprises: •... - Page 7 CUA261 Mounting A0032627 1 Sensor installation Ideal, best installation position Suitable installation position, better than D Installation position to be avoided Acceptable installation position Unacceptable installation position Endress+Hauser...
- Page 8 0.21 bar (2.5 psi) at room temperature Indicated as overpressure The CUA261 version with the air purge function is supplied with hoses ready-connected on the window side (length 1 m (3.3 ft)). All you have to do is connect the hoses to the purge gas supply.
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Page 9: Dimensions
CUA261 Mounting Dimensions 4.2.1 Adapter for OUSAF4x and OUSAFx2 sensors 10.8 (0.43) 8.3 (0.33) 45° 1.7 (0.07) 84 (3.31) 40 (1.58) 4x 3.4 (0.13) A0032654 3 Adapter for various pipe diameters and path lengths. Unit of measurement mm (in) - Page 10 Mounting CUA261 10.3 (0.43) 8.3 (0.33) 45° 3.0 (0.12) 84 (3.31) 40 (1.58) 4x 3.4 (0.13) A0032655 4 Adapter for DN50/2" with path lengths 30 or 40 mm. Unit of measurement mm (in) See table Pipe diameter, path length [mm]...
- Page 11 CUA261 Mounting 4.2.2 Adapter for OUSTF10 10.8 (0.43) 8.3 (0.33) 45° 1.7 (0.07) 84 (3.31) 40 (1.58) 4x 3.4 (0.13) A0032654 5 Adapter for various pipe diameters and path lengths. Unit of measurement mm (in) a-c See table Pipe diameter...
- Page 12 Mounting CUA261 10.3 (0.43) 8.3 (0.33) 45° 3.0 (0.12) 84 (3.31) 40 (1.58) 4x 3.4 (0.13) A0032655 6 Adapter for DN50/2" with path lengths 30 or 40 mm. Unit of measurement mm (in) See table Pipe diameter d [mm (inch)]...
- Page 13 CUA261 Mounting 4.2.3 Window rings 11 (0.44) M 24x1.5 51 (2.04) M 24x1.5 18 (0.72) 18 (0.72) 25.3 (1.00) 25.3 (1.00) 6.4 (0.25) 9.5 (0.375) A0033386 7 Window rings. Unit of measurement mm (in) Window ring for air purge Standard window ring 4.2.4...
- Page 14 Mounting CUA261 Nominal diameter Pipe C [mm] D [mm] L [mm] Ø [mm] DN50 53.00 × 1.50 90.0 43.5 DN65 70.00 × 2.00 125.0 51.5 DN80 85.00 × 2.00 125.0 59.0 DN100 104.00 × 2.00 125.0 68*, 123 68.5; 73.5* OD 2"...
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Page 15: Installation
• VARIVENT flow assembly N 68 mm (provided at the place of installation or ordered as an optional extra) • Cable set CUK80 Pipe Transmitter CM44P Cable set CUK80 Sensor: detector VARIVENT adapter CUA261 (clamp connector only for version with flow assembly in the scope of supply) Sensor: light source (lamp) Endress+Hauser... - Page 16 Mounting CUA261 4.3.2 Installing the adapter in the process WARNING Risk of injury from high pressure, high temperature or chemical hazards if process medium escapes. ‣ Wear protective gloves, protective goggles and protective clothing. ‣ Only mount the adapter if the pipes are empty and unpressurized.
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Page 17: Post-Mounting Check
CUA261 Maintenance Post-mounting check ‣ After mounting, check all the connections to ensure they are secure and leak-tight. Maintenance Take all the necessary precautions in time to ensure the operational safety and reliability of the entire measuring system. NOTICE Effects on process and process control! ‣... - Page 18 Maintenance CUA261 The following description applies for both sides, i.e. the detector side and the lamp side. Always change O-rings or optical windows on both sides. Stop the flow in the process pipe. If the pipe is dry, remove the clamp connector and remove the adapter from the VARIVENT flow assembly.
- Page 19 CUA261 Maintenance Gently push the optical window along with the gasket and O-ring out of the adapter. If the window jams, apply some acetone around the window seal (O-ring) and wait a few minutes for it to take effect. This should help release the window. The seal cannot be reused afterwards! Remove the O-ring on the process side of the adapter.
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Page 20: Repair
The product must be returned if repairs or a factory calibration are required, or if the wrong product was ordered or delivered. As an ISO-certified company and also due to legal regulations, Endress+Hauser is obliged to follow certain procedures when handling any returned products that have been in contact with medium. - Page 21 CUA261 Technical data Path length The path length is calculated from the combination of the optical windows in various wall thicknesses. The window combination is identical for all the pipe diameters. It only depends on the desired path length. Path length...
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Page 22: Index
Index CUA261 Index Safety instructions ....4 Scope of delivery ....6 Air purge . - Page 24 *71636359* 71636359 www.addresses.endress.com...
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