Owner manual

ManualsBrandsLeslie Controls ManualsEquipmentD Series

CFTIIP-015

Rev.0

__________________________________________________________________________________

This document is the property of Circor Flow Technologies India Pvt Limited should not copied or

reproduced in one form or another.

Page 1 of 15

INSTALLATION, OPERATING

AND MAINTENANCE INSTRUCTIONS

D SERIES

TABLE OF CONTENTS

GENERAL INFORMATION

TERMS CONCERNING SAFETY

UNPACKING

INSTALLATIONS

VALVE MAINTENANCE

VALVE DISASSEMBLY AND REASSEMBLY

PLUG STEM PINNING

ILLUSTRATION INDEX

Figure 1 – Typical bolting torque sequence

Figure 2 – Exploded drawing

Figure 3 – Installation of carbon filled energized seal ring

Figure 4 – Installation of Grafoil seal ring

Figure 4.1 – Grafoil seal ring

Figure 5 – Plug stem pinning

Figure 5.1 – Plug

Figure 6 – End to End dimensions

Figure 7 – Trim types

Figure 7.1 – Single stage Balanced Trim

Figure 7.2 – Two stage Balanced Trim

Figure 7.3 – Standard Trim

Summary of content (15 pages)

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CFTIIP-015 Rev.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ 1 General Information The following instructions are designed to assist in unpacking, installing and performing maintenance as required on Circor D-series control valves. Product users and Maintenance personnel should thoroughly review this bulletin prior to installing, operating or performing any maintenance on the valve.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ 4 Installations 1. Before installing the valve, clean the line of dirt, welding chips, scale or other foreign material. 2. Whenever possible, the valve should be installed in an upright position. Vertical installation permits easier valve maintenance. 3. Be sure to provide proper overhead clearance for the actuator to allow for disassembly of the plug from the valve body 4.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ Typical Bolting torque sequence Figure 1 This document is the property of Circor Flow Technologies India Pvt Limited should not copied or reproduced in one form or another.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ 10. Clean any dirt and other foreign material 5 Valve Maintenance At least once every six months, check for proper operation by following the preventative maintenance steps outlined below. These steps can be performed while the valve is in-line and, in some cases without interrupting service. If an internal problem is suspected, refer to the “Valve Disassembly and Reassembly” section. from the plug stem. 11.
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CFTIIP-015 Rev.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ head. Loosen the plug stem from the plug 6. Valve Disassembly and Reassembly head. 6.1 Disassembling the Body To disassemble the valve body, refer to Figure 2 then proceed as follows: WARNING: Depressurize line to atmospheric pressure and drain all fluids before working on the valve. Failure to do so can cause serious injury. Remove all compression from adjusting springs 6.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ 6.4 Reassembling the Body FTO To reassemble the valve body, refer to Figure 2 then proceed as follows: 1. Install new bonnet (2) and seat gaskets (5) with the bevelled edge up NOTE: All gaskets should be replaced whenever the valve is disassembled. 2. Relocate the seat ring (17). Carefully install the cage (18), taking care to ensure they installed with the correct ends up. 3.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ sealing surface while fitting them into the Figure 4.1 Grafoil seal ring cage bore. 5. Lower the bonnet (2) onto the plug (15) and body, taking great care to avoid scoring the plug stem. 6. Once the bonnet is resting squarely in the valve body, finger tighten the bonnet flange bolting. CAUTION: Graphite seal rings are brittle parts, so care must be taken to avoid damage during following steps.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ 7. Plug Stem Pinning Shouldered Plug stem Plug Head Plug head Assy. Standard Plug stem Plug pin Figure 5- Plug stem pinning Table 3 Valve size Plug Shank Plug Stem Dia. ''A" Dia. ''B'' in mm in mm 0.79 20 1/2 12.7 Pin Hole Pin Length Torque on "D'' "X'' Dia. ''C'' ''F'' Plug Stem in mm in mm in mm in mm Ft.Lbs daN.M 0.248 6.3 0.75 19.05 0.63 16 0.24 6 44 6 in 2" mm 50 3" 80 0.98 25 5/8 15.87 0.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ Plug stem pinning during field assembly 3. Using a suitable size drill bit, drill the may be divided into two parts: plug-stem assembly. After drilling, remove — Replacing old plug and old stem, any burrs from the plug shank by making a — Replacing only old stem. slight chamfer. Replacing Plug and Stem The plug (15) and stem (20) assembly consists of a shaft threaded into the plug and pinned in place.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ Replacing Only Old Stem A. Removing Old Pin and Stem from the Plug 1. Place the plug shank on a V-block, and using a drift punch, drive out the old pin. Note: If it is necessary to drill out the pin, a drill bit somewhat smaller than the pin should be used and the remainder of the pin driven out. Ensure plug stem alignment as indicated in the above paragraph D3. 2.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ Assembly Dimensional Details Figure 6 Table 4 This document is the property of Circor Flow Technologies India Pvt Limited should not copied or reproduced in one form or another.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ Table 5 Table 6  Dimensions are in Inches (mm). This document is the property of Circor Flow Technologies India Pvt Limited should not copied or reproduced in one form or another.
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CFTIIP-015 Rev.0 __________________________________________________________________________________ Trim Types Single stage Balanced Trim Figure 7.1 Standard Trim Figure 7.3 Two stage Balanced Trim Figure 7.2 This document is the property of Circor Flow Technologies India Pvt Limited should not copied or reproduced in one form or another.