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Instruction Manual

D103359X012

24000S Valve

May 2011

4. Remove the actuator from the valve.

5. Disconnect the air supply to the actuator and remove the air tubing.

Valve Body Disassembly

1. After removing the actuator, unscrew the bonnet (key 8), and plug and stem (keys 4 and 5) from valve body (key 1).

A new body gasket (key 49) should be installed each time the valve is disassembled.

2. Loosen the packing spring load by removing the packing follower (key 10).

Remove the plug and stem assembly by pulling it out through the bottom of the bonnet (key 8) while rotating the

stem (key 5). This will help prevent damage to the packing components.

Note

Handle the parts carefully to avoid damaging the seating and guiding surfaces. Wipe the parts with a clean soft cloth and examine

for signs of wear or damage.

3. To remove the seat ring (key 2), use a 5/8 inch socket wrench. Clean the seat ring thoroughly and examine for signs

of wear or damage.

4. Low Flow Trims:

a. For Baumann 151 trim (figure 4) unscrew the seat subassembly (key 51) with a 5/8 inch socket wrench. When

reassembling, hand tighten the subassembly (key 51) and then rotate 1/8 of a turn with the 5/8 inch socket to

lock in place.

Note

If changing to Baumann 151 trim, for correct flow characteristics, be sure the valve is reversed in the pipeline so that flow direction

is flow-to-close.

b. For Baumann 177 trim (figure 5) unscrew the retainer nut (key 24) using a 3/4 inch socket wrench. Remove the

gland (key 23) and insert (key 25). Replace the insert (key 25), making sure that the tapered portion faces up. If

replacement of the housing (key 26) is required, use a 5/8 inch socket wrench.

c. For NOLEEK bellows trim (figure 6), hold the bellows bonnet and push down on the stem to expose the plug

retaining pin (key 21). Using a small punch, tap the pin (key 21) out. To replace the new plug retaining pin (key

21), be sure the plug and stem is aligned to expose the hole (refer to figure 6) and with needle nose pliers slide

the pin (key 21) into the hole.

WARNING

Be sure the plug retaining pin (key 21) is flush inside the hole and not exposed on either side of the plug or damage could

happen to the bonnet interior.

Lapping the Valve Seat

If valve seat leakage becomes excessive, it may be necessary to lap the valve seat.

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Emerson 24000S Bedienerhandbuch Seite 5