Emerson Fisher YD & YS Manuál s instrukcemi stáhnout pdf (Strana 8)

Instruction Manual

D100425X012

YD and YS Valves

October 2014

WARNING

See the WARNING at the beginning of the Maintenance section for more information.

2. Disconnect the actuator stem connector and remove the locknut (key 15, figure 13) that holds the actuator to the

valve. (Valves with a 127 mm (5-inch) yoke boss use cap screws and nuts to secure the actuator on the valve). Then

lift the actuator from the valve.

Figure 3. Fisher PTFE V-Ring Packing Arrangements

UPPER WIPER

(KEY 12)

PACKING

FOLLOWER (KEY 13)

LANTERN RING

(KEY 8)

PACKING BOX

RING (KEY 11)

MALE ADAPTOR

PACKING RING

FEMALE ADAPTOR

LOWER WIPER

ASSEMBLY 1

(POSITIVE

PRESSURES)

ASSEMBLY 2

(VACUUM)

ASSEMBLY 3

(POSITIVE

PRESSURES

& VACUUM)

ASSEMBLY 1

(POSITIVE

PRESSURES)

ASSEMBLY 2

(VACUUM)

ASSEMBLY 3

(POSITIVE

PRESSURES

& VACUUM)

ASSEMBLY 1

(POSITIVE

PRESSURES)

ASSEMBLY 2

(VACUUM)

ASSEMBLY 3

(POSITIVE

PRESSURES

& VACUUM)

9.5 mm (3/8 INCH) STEM 12.7 mm(1/2 INCH) STEM 19.1, 25.4, OR 31.8 mm

(3/4,1,OR1-1/4INCH)STEM

DOUBLE ARRANGEMENTS

12A8187-C 12A7814-C 12A7839-A

B1428-2

UPPER WIPER

(KEY 12)

PACKING

FOLLOWER (KEY 13)

PACKING BOX

RING (KEY 11)

FOR 316 OR 17-4PH SST

METAL PACKING BOX PARTS

SINGLE ARRANGEMENT

12A7837-A

B1429-2

FORALLOTHERMETALPACKING

BOX PART MATERIALS

SPACER (KEY 8)

UPPER WIPER

(KEY 12)

PACKING

FOLLOWER

(KEY 13)

PACKING BOX

RING (KEY 11)

FEMALE

ADAPTOR

FEMALE

ADAPTOR

MALE

ADAPTOR

PACKING

RING

MALE

ADAPTOR

PACKING

RING

WASHER

(KEY 10)

SPRING

(KEY 8)

PACKING

SET

(KEY 6)

LOWER

WIPER

LOWER

WIPER

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 31 32

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