User Guide
Table Of Contents
- Document Number:
- ES-1325
- Revision Level:
- A
- Issued By:
- D. Edmonds
- Date:
- 8/14/04
- Approved By:
- _
- Date:
- Conbraco pressure relief valves are safety devices designed for the protection of lives and property. These valves will provide years of service when properly installed and maintained. The information contained herein is intended for use by qualified p
- Serious property damage and injury or death may occur should a pressure relieving device fail to operate correctly. Any installation, maintenance, adjustment, repair or testing should only be performed by experienced personnel properly trained and quali
- When maintaining or repairing Conbraco pressure relief valves, use only original Conbraco parts to ensure safe and reliable operation.
- Contact your local Conbraco factory representative for the name of a factory authorized repair center near you. Or visit us on the web at www.conbraco.com.
- Maximum Pressure/Temperature Chart
- Installation Instructions
- This quality Conbraco safety valve, along with proper installation, use and maintenance will provide many years of reliable service and protection against excessive pressure build-up of water and steam. Use of this valve for any other purpose or media p
- Caution - Always wear proper safety equipment.
- Caution – Valve may be very hot to the touch. We
- Installation must be performed by qualified service personnel only.
- It is the piping system designer’s responsibility
- Service is to be compatible with the materials of
- The capacity rating of this valve must equal or exceed that of the equipment to which it is installed.
- Do not use this valve on a coal or wood fired boiler having an uncontrolled heat input.
- Do not use the test lever as a lifting device during installation.
- Insure that all connections, including the valve inlet, are clean and free of any foreign material.
- Use pipe compound sparingly or tape on external threads only.
- Do not use a pipe wrench! Use proper type and size wrench on wrench pads only.
- This valve must be mounted in a vertical upright position directly to a clean tapped opening in the top of the pressure vessel. Under no circumstances should there be a flow restriction or valve of any type between the safety valve and pressure vessel.
- See ASME Boiler and Pressure Vessel Code and local jurisdiction for additional installation and operating instructions.
- Caution - During operation, this valve may discharge large amounts of hot, high pressure steam or water. To reduce the potential for bodily injury and property damage, a discharge line must be installed that:
- _
- is connected from the valve outlet to a safe point of discharge with no intervening valve;
- allows complete drainage of the valve and discharge line;
- is independently supported and securely anchored to avoid applied stress on the valve;
- is as short and straight as possible;
- terminates freely to atmosphere where any discharge will be clearly visible and is at no risk of freezing;
- teminates with a plain end that is not threaded;
- is, over it’s entire length, of a pipe size equal
- _
- Operating Instructions
- _
- If adding water to a boiler, do not allow water to flow through safety valve as sediment or debris may be deposited on seating surfaces.
- To achieve topmost performance and maximum service life, it is necessary to maintain a proper pressure margin between the set pressure of the safety valve and the operating pressure of the equipment. The minimum recommended operating pressure margin for
- _
- Maintenance and Testing Instructions
- CAUTION! Before testing, make certain discharge pipe is properly connected to valve outlet and arranged to contain and safely dispose of discharge (see Installation Instructions).
- CAUTION! High sound levels may be experienced during lever test. Wear proper safety equipment and exercise extreme care.
- Test at or near maximum operating pressure by holding the test lever fully open for at least five seconds to flush the valve seat free of sediment and debris. Then release lever and permit valve to snap shut. If lift lever does not actuate, or there is
- For resetting, adjustment or repairs contact Conbraco Industries for the appropriate service facility.
- Neither Conbraco Industries, Inc. nor it’s agents
- 10-600 Series Part Number Matrix
- Nameplate Information
- Amendment Register
ES1325 Rev. A
5
Nameplate Information
ASME Code Symbol
The ASME “HV” symbol signifies the valve has been designed, manufactured, and tested
in accordance with Section IV of the ASME Boiler and Pressure Vessel Code and is
approved for use on heating boilers.
NB Symbol
This symbol indicates the capacity value stamped on the nameplate has been certified by
the National Board of Boiler and Pressure Vessel Inspectors.
CRN
This number is the design registration number in accordance with CSA B51, the
Canadian Boiler, Pressure Vessel and Pressure Piping Code.
MODEL (10-)
This is the valve model series number as described in the Part Number Matrix.
CAP
This is the approved capacity of the valve, btu/hr and kcal/hr.
SET
This is the set pressure of the valve in pounds per square inch and bar gauge.
SIZE
This is the inlet size of the valve in inches.
TS
This is the maximum allowable temperature, degrees celcius.
DN
This is the metric size designation of the inlet.
DATE
This is the date of manufacture. The last two numbers indicate the year (04=2004), and the first two numbers indicate the week of the
year (13=13
th
week of the year).