Emerson Fisher YD & YS Manuál s instrukcemi stáhnout pdf (Strana 9)

Instruction Manual

D100425X012

YD and YS Valves

October 2014

Figure 4. Detail of Fisher PTFE/Composition Packing Arrangements

UPPER WIPER

(KEY 12)

PACKING

FOLLOWER (KEY 13)

LANTERN RING

(KEY 8)

PACKING BOX

RING (KEY 11)

PACKING RING

(KEY 7)

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

TYPICAL (DOUBLE) ARRANGEMENTS

12A8188-A

12A7815-A

12A8173-A

A2619-1

Figure 5. Fisher Graphite Ribbon/Filament Packing Arrangements

PACKING

FOLLOWER

PACKING BOX

RING

GRAPHITE

RIBBON

PACKING RING

GRAPHITE

FILAMENT

PACKING RING

14A1780-B

14A1849-B

14A2153-B

12.7 mm

(1/2-INCH)

STEM

9.5 mm

(3/8-INCH)

STEM

19.1 OR 25.4 mm

(3/4 OR 1-INCH)

STEM

NOTE:

0.102 mm (0.004 INCH) THICK SACRIFICIAL ZINC WASHERS.

USE ONLY ONE BELOW EACH GRAPHITE RIBBON RING.

HAS THE APPEARANCE OF A WOVEN OR BRAIDED RING.

A2438-2

LANTERN RING

PACKING

FOLLOWER

PACKING BOX

RING

GRAPHITE

RIBBON

PACKING RING

GRAPHITE

FILAMENT

PACKING RING

13A9776-B

13A9775-B

14A3411-A

12.7 mm

(1/2-INCH)

STEM

9.5 mm

(3/8-INCH)

STEM

19.1 OR 25.4 mm

(3/4 OR 1-INCH)

STEM

SINGLE PACKING ARRANGEMENT DOUBLE PACKING ARRANGEMENT

LANTERN RING

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 31 32

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