EMERSON Manual Safety Relief Valves Pilot Operated Series 9240 IOM

ander Son Greenwood series 9240 POsr V with n On-fl Owing m Odulating Pil Ot Installat Ion and Ma Intenance Instruct Ions

Before installation these instructions must be fully read and understood

Remove the pressure relief valve prior to performing any pressure testing of the system. The safety of lives and property often depends on the proper operation of the pressure/vacuum relief valve. The valve must be maintained according to appropriate instructions and must be periodically tested and reconditioned to ensure correct function.

warnin G Removal of the seal wires in an attempt to adjust and/or repair this product by unauthorized or unqualified persons voids the product warranty and may cause damage to equipment and serious injury or death to persons. The product is a safety related component intended for use in critical applications. The improper application, installation or maintenance of the product or the use of parts table of content S or components not manufactured by Anderson Greenwood may result in a failure of the product. 1 general valve description .............................. Any installation, maintenance, adjustment, test, 2 main valve maintenance ............................... etc. performed on the product must be done 3 Pilot maintenance ....................................... in accordance with the requirements of all 4 Pilot adjustment .......................................... applicable Anderson Greenwood procedures and 5 functional testing of instructions as well as applicable national and the complete assembly .............................. international codes and standards.

6 field test procedure .................................... 7 repair kits .................................................... Stora Ge and handlin G

the intent of these instructions is to acquaint Pressure/vacuum relief valve performance may the user with the storage, installation and be adversely affected if the valve is stored for operation of this product. Please read these an extended period without proper protection. instructions carefully before installation. rough handling and dirt may damage, deform,

or cause misalignment of valve parts and may Safety precaution S alter the pressure setting and adversely affect When the pressure/vacuum relief valve is under valve performance and seat tightness. it is pressure never place any part of your body near the recommended that the valve be stored in the pilot exhaust nor the outlet of the main valve. original shipping container in a warehouse or The main valve outlet should be piped or vented to at a minimum on a dry surface with a protective a safe location. covering until installation. inlet and outlet Always wear proper safety gear to protect head, protectors should remain in place until the eyes, ears, etc. anytime you are near pressurized valve is ready to be installed in the system.

valves. Never attempt to remove the pressure/vacuum relief valve from a system that is pressurized. Never make adjustments to or perform maintenance on the pressure/vacuum relief valve while in service unless the valve is isolated from the system pressure. If not properly isolated from the system pressure, the pressure/vacuum relief valve may inadvertently open resulting in serious injury.

engineering doc. #05.9040.171 rev. e

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