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3.3 Valve diaphragm identification

Diaphragm tab codes

All diaphragm materials and physical properties are batch traceable via permanent codes molded into
the diaphragm tabs. The molding date, grade of diaphragm, and size provide traceability to original batch
records.

Date code

Supplier code

Figure 5: Elastomer diaphragm front

Valve size

Grade of diaphragm

Figure 6: Elastomer diaphragm back

Material code

Date code

Figure 7: PTFE diaphragm

3.3 Valve diaphragm identification

Advantage® 2.1 Actuator Installation and Operation Manual

Содержание B216

Страница 1: ...Installation and Operation Manual Advantage 2 1 Actuator ...

Страница 2: ......

Страница 3: ...3 Valve diaphragm identification 7 4 Installation 8 4 1 Precautions 8 4 2 Install the valve and topworks 8 4 3 Change the compressor tube nut and snap ring 9 4 4 Mount the topworks to the valve 10 4 5 Tighten the bonnet fasteners 10 4 6 Fastener torque table for valve body to topworks 11 4 7 Actuator operating pressure 11 4 8 Set the adjustable opening stop 11 4 9 Disassemble the valve 12 4 10 Rep...

Страница 4: ...tandards This product should be used only as recommended by ITT or ASCO WARNING Misapplication of the valve can result in injury or property damage Select valves and valve components of the proper materials and make sure that they are consistent with your specific performance requirements Incorrect application of this product includes but is not limited to Exceeding the pressure or temperature rat...

Страница 5: ...ces or other identification marks associated with the product Maintenance safety precautions Be aware of these safety precautions when performing maintenance on this product You must decontaminate the product if it has been exposed to harmful substances such as caustic chemicals Use of unauthorized parts Reconstruction or modification of the product is only permissible after consultation with ITT ...

Страница 6: ...witches to come out of calibration 2 2 Storage disposal and return requirements Storage If you are not immediately installing the product after delivery store it as follows Store the product in a dry room that maintains a constant temperature Make sure that the products are not stacked on top of one another Disposal Dispose of this product and associated components in compliance with federal state...

Страница 7: ...or Model number The actuator model number is located on the ITTASCO identification tag The model number is a four digit number defining the actuator as follows Table 1 Actuator Code Description B Advantage 2 1 actuator Table 2 Mode of operation Code Description 1 Fail open spring to open air to close direct acting 2 Fail close spring to close air to open reverse acting 3 Double acting air to open ...

Страница 8: ...nded actuation pressure 3 2 Bonnet description Non Sealed bonnet The non sealed bonnet has a weep hole that indicates a diaphragm failure by allowing process fluid that accumulates in the bonnet to pass through the hole Sealed bonnet The sealed bonnet uses a special V notch vent plug which permits leak detection Bonnet weep hole V notch vent plug Sealed bonnet only Figure 4 Weep hole and V notch v...

Страница 9: ...abs The molding date grade of diaphragm and size provide traceability to original batch records 1 Date code 2 Supplier code Figure 5 Elastomer diaphragm front 1 Valve size 2 Grade of diaphragm Figure 6 Elastomer diaphragm back 1 Material code 2 Date code Figure 7 PTFE diaphragm 3 3 Valve diaphragm identification Advantage 2 1 Actuator Installation and Operation Manual 7 ...

Страница 10: ...alog for pressure limitations Consult the factory or engineering catalog for vacuum op eration Consider the following information before installing the actuator The series 3 5 8 or 16 stainless steel bonnet Advantage 2 1 actuator can have the air inlets posi tioned in any quadrant The maximum valve operating pressure is 10 34 bar 150 psig This pressure is applicable up to 38ºC 100ºF Valves at maxi...

Страница 11: ...he bonnet fasteners on page 10 4 Connect the air line Connection size is 1 8 NPT NOTICE Air line connections should be made with care so as not to damage the actuator covers 5 Cycle the valve two to three times to verify smooth operation 4 3 Change the compressor tube nut and snap ring To switch diaphragm types between EPDM and PTFE the tube nut must be changed Follow the steps below before you sw...

Страница 12: ...res greater than 38 C 100 F 1 Depressurize the system 2 Use regulated air pressure to position diaphragm so that valve is slightly open You may need to use air pressure to actuate the valve 3 Tighten the bonnet fasteners in a crisscross pattern For more information see 4 6 Fastener torque table for valve body to topworks on page 11 4 Make multiple crisscross passes to build up torque to the final ...

Страница 13: ...rmitted air supply pressure bar kPA psi 6 2 620 90 Actuator pressure rating The actuator will withstand pressures well in excess of the rated pressure without risk of bursting Main taining operating pressure at or below the pressure rating will ensure optimum life of the operating com ponents such as the actuator diaphragm However operation at pressures up to 10 3 bar 150 psig for limited periods ...

Страница 14: ...il close then load the actuator with air If the actuator mode of operation is Then Fail open Load the actuator with sufficient air to partially close the valve Fail close Load the actuator with sufficient air to partially open the valve 3 Remove the bonnet fasteners 4 Lift the topworks assembly from the valve body 5 If the actuator mode of operation is fail open then remove pressure load from the ...

Страница 15: ...le securing the back ing cushion from rotating 4 Rotate the diaphragm until hard stop or heavy resistance is achieved and additional force does not significantly rotate the diaphragm into the compressor 5 If replacing a PTFE diaphragm re invert the diaphragm 4 10 Replace the valve diaphragm Advantage 2 1 Actuator Installation and Operation Manual 13 ...

Страница 16: ... s cylinder 2 Load the chamber with sufficient air to move the diaphragm upward until the back of diaphragm is flat against the bonnet Do not apply excessive air pressure that results in inversion of the diaphragm 7 For more information see 4 5 Tighten the bonnet fasteners on page 10 8 If the actuator mode of operation is fail open then release the air allowing the valve to open 4 10 Replace the v...

Страница 17: ...this document and more information www engvalves com ITT Engineered Valves 33 Centerville Road Lancaster PA 17603 USA ITT Industries Ltd Weycroft Avenue Millwey Rise Industrial Estate Axminster EX13 5HU United Kingdom Form IO Adv2 1 en US 2020 03 ...

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ITT B216, Инструкция по установке и эксплуатации

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