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8.0  Pressure fill chamber 

 

Under certain conditions, when barrier fluids other than water are used, a pressure 
chamber can  be fabricated from readily available fittings that allow the barrier fluid to be 
fed under pressure  to the inlet of the system.  Users may wish to fabricate a device 
based upon this sketch which will  aid in the setup of the pressure-based system. 

 

 

 

 

Pressure inlet 

 

 

 

 

Upper valve 

 

 
 
 
 
 
 
 
 

Fluid chamber 

 
 
 
 
 
 
 
 
 
 

Lower valve 

 

 

 

 

 

 

 

 

 

Fluid outlet, to 
reagent head 

 

Figure 9 – optional fill chamber

 

Summary of Contents for PULSAlarm PulsaPro

Page 1: ...UL 14 0118X Ex d IIB T5 Gb Ex tb IIIC T100 C Db IP66 Bulletin IOM PUL 1007 Rev E THIS DOCUMENT CONTAINS CHARACTERISTICS CONTROLLED BY U L FILE E186527 CHANGES REQUIRE AGENCY APPROVAL PULSAlarm LEAK DE...

Page 2: ...ation of the original parts by Pulsafeeder personnel Parts returned for warranty considerations which are good will be sent back freight collect Any field modifications will void the warranty Out of w...

Page 3: ...this document are subject to change without notice Trademarks Pulsa Series and PULSAlarm are registered trademarks of Pulsafeeder Inc Revision History Revision Implemented By Revision Date Approved B...

Page 4: ...9 5 1PULSAlarm ReagentHead 10 5 2PULSAlarm LeakDetection Diaphragm 10 5 3DiaphragmConstruction 11 6 0 Electrical 12 7 0 Setup for Pressure 13 8 0 Pressure fill chamber 17 9 0 Maintenance 19 9 1Switch...

Page 5: ...IC SHOCK Notes are general information meant to make operating the equipment easier For information on overall pump operation and maintenance refer to the Installation Operation and Maintenance manual...

Page 6: ...rds in force and cannot under any circumstances take the place of plant standard or additional regulations including any which are not legally enforceable which have been issued with the scope of ensu...

Page 7: ...should be taken when installing conduit to protect against fluid vapor entry In accordance with any applicable codes provide sealed entries and conduit drains near the point of entry as required For...

Page 8: ...I Protection Methods flameproof enclosure III Gas Group IV Equipment Category IV Temperature Code or Temperature Rating max surface temp T85 V Combustible Dust Environment V Equipment Protection Level...

Page 9: ...iaphragm that will then be transferred outwards by the barrier fluid This fluid will create pressure against the pressure switch This switch has a trip point of 20 psi 1 37 bar When this pressure is r...

Page 10: ...ate metal spacer ring The space between the diaphragms is sealed so that the diaphragm functions as does a standard single diaphragm For the pressure system the space between the diaphragms is filled...

Page 11: ...ruction The adhesive rings aid in assembly and are not present for sealing purposes Capillary tube Process side PTFE layer Adhesive ring Support ring Hydraulic side PTFE layer Adhesive ring Figure 2 d...

Page 12: ...ker and attached to the PULSAlarm enclosure is adequate to satisfy this requirement The switch is the SPDT single pole double throw type and can therefore be connected to either open or to close upon...

Page 13: ...dia is used it must be compatible with construction materials The system will require proper setup after maintenance or repairs see the following page for the proper procedure Figure 5 pressure system...

Page 14: ...2 Remove the pressure gauge from the housing body and replace it with a straight tubing adaptor fitting This will be referred to in this document as the outlet side Figure 6 fitting for priming outle...

Page 15: ...the plug into the needle valve to seal the system inlet 7 9 Allow vacuum to remain on the outlet side of the system for approx 2 3 minutes this will aid in the evacuation of excess fluid Once complet...

Page 16: ...ark on the tube can assist in observing this process visually Once the liquid in the tube no longer rises the evacuation should be complete 7 18 After the startup period remove the tubing and connecti...

Page 17: ...m readily available fittings that allow the barrier fluid to be fed under pressure to the inlet of the system Users may wish to fabricate a device based upon this sketch which will aid in the setup of...

Page 18: ...et fitting on the pump head the fitting with the needle valve Open the fill valve needle valve on the pump and then open the two plastic valves on the fluid fill device Switch the hand pump to the pre...

Page 19: ...next section 5 Repeat steps 3 and 4 above until the required setpoint as attained 6 Tighten the switch locking ring and replace the switch enclosure cover 7 Reconnect the alarm circuit to the switch U...

Page 20: ...azardous materials 4 Place a suitable container underneath the pump head to catch any liquid leakage 5 Disconnect process piping and drain any process liquid following material safety precautions 6 Re...

Page 21: ...ent head bolts and tighten in an alternating pattern to ensure an even seating force Torque to the values recommended in the Installation Operation and Maintenance manual appropriate to the pump 3 App...

Page 22: ...A unit of IDEX Corporation 2883 Brighton Henrietta Town Line Road Rochester NY 14623 1 585 292 8000 pulsa com pulsa idexcorp com PULSAlarm LEAK DETECTION...

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