Emerson 99 Manual de Instruções descarregar pdf (Página 13)

Type 99

2. Loosen the union nut (key 14, Figure 9) and

remove the lower casing (key 29) with the cap

screw (key 22) or disk and holder assembly

(key 18, Figure 17) on disassembly or reassembly.

A thin-walled socket may be used to remove

the orice.

3. Access to the disk or O-ring (key 19, Figure 9) can

be gained by removing the cap screw (key 22) and

retainer (key 21), while on the 1000 psig / 69.0 bar

maximum inlet regulator the entire disk and holder

assembly (key 18, Figure 17) is removed as a unit.

If necessary, the holder (key 18, Figure 9 or 17) or

adaptor (key 157, Figure 17) can be removed by

taking out the cotter pin (key 25, Figure 9 or 17).

4. Install a new body gasket (key 16, Figure 9) and

a new disk, O-ring or disk and holder assembly as

necessary. Then slide the entire assembly into

the valve body (key 17) and secure with the union

nut (key 14).

5. Connect the pilot supply tubing (key 24) and

downstream control line, then refer to the Startup

section for putting the regulator into operation.

Parts Ordering

A serial number is assigned to each regulator, and it

is stamped on both the actuator and pilot nameplates.

If the pilot is replaced, the new pilot will have its own

serial number different from the main valve serial

number. Always indicate one or both serial numbers

when communicating with your local Sales Ofce.

When ordering a replacement part, be sure to include

the complete eleven-character part number.

Parts List

Key Description Part Number

Repair kits include parts for regulator with composition

trim only, keys 7, 11, 16, 19, 20 and 57.

Also included are parts for pilot, keys 30, 33,

38, 40, 48, 49, 50, 52, 71, 117, 126, 129, 150,

153 and P590 Series lter, keys 2 and 7.

With low-pressure pilot

7/8 in. / 22 mm orice R99LX000012

1-1/8 in. / 29 mm orice R99LX000022

With high-pressure pilot

7/8 in. / 22 mm orice R99HX000012

1-1/8 in. / 29 mm orice R99HX000022

With extra high-pressure pilot

7/8 in. / 22 mm orice R99HPX00012

1-1/8 in. / 29 mm orice R99HPX00022

Figure 6. Travel Indicator Assembly

20A7146-B

OPEN

102

105

107

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105

101

108

109

112

110

111

103

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Emerson 99 Manual de Instruções Página 13

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