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Technical Manual No. IOT1000P

Effective 8/31/2018

REV LEVEL B

Record of Revisions

Revision

Description

Date

First

Issue

09/10/99

Added reference information for T1007 (Fail in Last
Position Fire, Fail Closed Purge)

03/23/04

Revised Model T1007 to Fail-Closed Non-FM,
Model T1008 as FLFC and manual.

08/31/18

Содержание SKOTCH TRIFECTA T1005

Страница 1: ...materials and they meet the applicable industry standards These valves are available with components of various materials and they should be used only in services recommended herein or by a company va...

Страница 2: ...LEVEL B Record of Revisions Revision Description Date First Issue 09 10 99 A Added reference information for T1007 Fail in Last Position Fire Fail Closed Purge 03 23 04 B Revised Model T1007 to Fail C...

Страница 3: ...mation 22 DRAWINGS 03 001 Valve Assembly Model T1000 Systems 117479 Valve and Actuator Assembly Model T1000 Systems 117485 Pneumatic Schematic Fail in Last Position 117486 Pneumatic Schematic Fail Clo...

Страница 4: ...d close The system fails in the last position on loss of pneumatic or electric power It will not hold this position indefinitely if air is lost The Model T1008 valve system is similar to the T1005 abo...

Страница 5: ...ctuated Model T1005 Energizing both the fire and purge exhaust solenoids coils moves the system to the closed position Model T1006 T1007 De energizing both the fire and purge solenoids moves the syste...

Страница 6: ...ng Oil Off Energizing only the purge solenoid moves the atomizing stem to the purge position In this position the atomizing plug is positioned between but not in contact with the atomizing and purge s...

Страница 7: ...s of pneumatic supply pressure or electrical power the system will fail in the closed position Model T1008 Fire solenoid operated pilot valves are momentary contact type As such upon loss of pneumatic...

Страница 8: ...The end connections should not be modified to a shorter length The weight of the valve must be properly supported to prevent excessive piping stresses The valve may be installed in any position but th...

Страница 9: ...ly air should be clean dry and between 70 to 120 PSIG 482 3 826 8 KPa at all times It is important for proper valve performance that this pressure is available at the valve at all times Historically m...

Страница 10: ...efer to instructions in Section V CAUTION DO NOT OVER TIGHTEN PACKING Over tightened packing may cause excessive stem friction inhibiting stem movement IV MAINTENANCE AND DISASSEMBLY INSTRUCTIONS A Ma...

Страница 11: ...placed immediately 5 Body to End Flange Joint Inspection Body end flange joints should be inspected regularly for leakage Any leakage should be repaired immediately See following Section for instructi...

Страница 12: ...structions 1 Actuator Removal Note Pneumatic supply pressure is required for actuator removal CAUTION Valve system MUST be stroked to purge position prior to decoupling stem connector for actuator rem...

Страница 13: ...m 10 and remove 3 Oil Valve Disassembly Remove Hex Nuts Item 29 holding Limit Switch Box Item 13 to End Flange Item 39 Note These two nuts must be removed uniformly Remove Limit Switch Box Item 13 and...

Страница 14: ...ces on valve and actuator parts for physical damage including nicks scratches or corrosion Be sure all gasket surfaces are thoroughly cleaned and free of old gasket material Replace any damaged soft g...

Страница 15: ...lve Seat Ring threads Item 11 place the Seat Ring Gasket Item 21 on the Oil Valve Seat Ring Item 11 and thread into Body Item 1 Torque to 130 Ft Lbs 176 3 Nm Lubricate the oil stem plug with Magnalube...

Страница 16: ...Body Item 1 of both the Purge Seat Item 10 and Seat Ring Item 9 Apply Grafoil GTS sealant to both the Purge Seat Item 10 and Body Item 1 threads and screw into the Valve Body Item 1 Torque to 100 Ft L...

Страница 17: ...cator onto stem connector The valve is now ready for testing 6 Test Conduct the following tests to assure system performance is satisfactory after rebuild a Valve Stroke Verify no oil stem movement oc...

Страница 18: ...e valve If valve leakage is still excessive the main stem and seat should be replaced and the valve retested Note If the actuator was removed anytime prior to testing the actuator valve coupling nut s...

Страница 19: ...alve 10 to 20 times to allow the soft seal in the oil seat to wear in with the metal plug and retest the valve If valve leakage is still excessive the oil seat and or stem should be replaced and the v...

Страница 20: ...o screws to prevent movement 7 Plug the atomizing inlet and outlet pipes 8 With the oil valve fully closed pressurize the oil inlet to 10 to 20 PSIG 68 9 137 9 KPa While monitoring the outlet for leak...

Страница 21: ...ressurize the oil inlet to 10 to 20 PSIG 68 9 137 9 KPa While monitoring the outlet for leakage slowly open the valve The normally open contacts of the switch should change state before flow commences...

Страница 22: ...placed with ITT Engineered Valves LLC 33 Centerville Road Lancaster PA 17603 2064 Phone 717 509 2200 Fax 800 348 9000 Please be advised that spare parts should be ordered directly from ITT Engineered...

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