Double flange bend with the n foot flange t-piece tt flange x-piece (10 pages)
Summary of Contents for Jafar 8895
Page 1
DEVICE TYPE 8895 Approved for use by President of Factory, JAFAR S.A. Failure to comply with the guidelines and instructions in this Operation and Maintenance Manual releases the manufacturer from all obligations, liability and guarantee. Due to continuous business development, we reserve the right to introduce modifications and structural changes to the presented product.
1 TECHNICAL DESCRIPTION 1.1 PRODUCT NAME AND FEATURES The subject of this O&MM is: Pipeline flushing device, with single closure TYPE 8895 - With automatic water drainage activated by medium flow stoppage; - Stainless steel knife (closer); - Knife's drive elements may be replaced without cutting off flow;...
2.2 MATERIALS List of basic materials used for the construction of device TYPE 8850 is given in the table below. Item Part name Material Reference standard Body Cast-iron, EN-GJS -400-15 PN-EN1563: 2012 Bonnet Cast-iron, EN-GJS -400-15 PN-EN1563: 2012 Driving gear Cast-iron, EN-GJS -400-15 PN-EN1563: 2012 Stainless steel 1.4021...
2.4 STANDARDS PN-EN 1074-1: 2002 Valves for water supply. Fitness for purpose requirements and appropriate verification tests. General requirements PN-EN 1074-6: 2009 Valves for water supply. Fitness for purpose requirements and appropriate verification tests. Hydrants. PN-89/H-02650 Fittings and pipelines. Pressures and temperatures. PN-EN 19:2005 Industrial valves.
2.6 MANUFACTURE AND ACCEPTANCE Pipeline flushing device is accepted and produced in accordance with: PN-EN 1074-6:2005 (Valves for water supply. Fitness for purpose requirements and appropriate verification tests. Hydrants.) and PN-EN 14339:2005 (Underground hydrants). All hydrants (100%) are subject to tightness testing. The tests include external body tightness and closing tightness.
4 ASSEMBLY AND INSTALLATION 4.1 INSTALLATION GUIDELINES The pipeline flushing device TYPE 8895 may be installed on underground pipelines on horizontal systems. The products described herein are designed for installation using flange on the pipeline acting as medium (water) supply. Note that the system must not expose the coupling to bending or tensile stress from loading with the unsupported pipeline sections.
Page 9
Before installing the fittings, check the technical and commercial documentation, i.e. application for media and operation parameters of the pipeline, in which they are to be installed. Note! If the product is damaged mechanically, do not install it in the pipeline. Any change in the operating conditions must be consulted with the hydrant's manufacturer beforehand.
1. Pipeline flushing device; 2. Pipeline connection flange; 3. Gasket; 4. Nut; 5. Fastening bolt 4.3 OPERATION Pipeline flushing device is designed for drawing water for fire fighting purposes. Detailed requirements are given in applicable regulations defining the need for fire fighting water. The diagram above shows an example OPERATION AND MAINTENANCE MANUAL 01-2016...
installation method for the device, the installation method largely depends on the applied rules based on the local climate and geologic conditions. Exceeding the operating limits of the fitting may result in damage that will not be covered by the suretyship granted by the manufacturer.
Need help?
Do you have a question about the 8895 and is the answer not in the manual?
Questions and answers