Emerson 92C Manual de instrucciones descargar pdf (Pagina 3)

Type 92C

TYPE 92C REGULATOR

PILOT LOADING LINE

PILOT SUPPLY

TYPE 6392 PILOT

DOWNSTREAM

CONTROL LINE

TOP VIEW OF REGULATOR AND

PILOT CONNECTIONS

TYPE 6392 PILOT

DOWNSTREAM

CONTROL LINE

STRAINER

TYPE 92C REGULATOR

BYPASS LINE

TYPE

SPRING RANGE

SPRING COLOR

MINIMUM PRESSURE AT WHICH MONITORING

PILOT CAN BE SET

psig bar

6492HM

10 to 30 0.69 to 2.1 Yellow 5 psig / 0.34 bar over normal distribution pressure

25 to 75 1.7 to 5.2 Green

10 psig / 0.69 bar over normal distribution pressure

70 to 150 4.8 to 10.3 Red

6492HTM

80 to 250

5.4 to 17.2

Unpainted

15 to 100 1.0 to 6.9

Table 1. Safety Pilot Outlet (Control) Pressure Ranges

ORIFICE SIZE WIDE-OPEN FOR RELIEF SIZING

Inches mm C

9/16 14 170 8.5 5

34 0.67

3/4 19 240 12 7.1

1. C

= C

x 20 ÷ C

Table 3. Flow Coefcients

(1)

SPRING USAGE

OUTLET PRESSURE RANGE

SPRING PART NUMBER

AND COLOR

SPRING WIRE DIAMETER SPRING FREE LENGTH

psig bar Inches mm Inches mm

Standard use up to

500°F / 260°C

5 to 70 0.34 to 4.8 1E392627012, Green 0.170 4.32 2.00 50.8

20 to 150 1.4 to 10.3 1E392727142, Red 0.207 5.26 1.94 49.0

High-pressure and/or High

temperature over 500°F / 250°C

15 to 100 1.0 to 6.9 14B9941X012, Unpainted 0.192 4.88

1.96 49.8

80 to 200 5.5 to 17.2 14B9940X012, Unpainted 0.282 7.16

Table 2. Outlet Pressure Ranges

BODY SIZE

ORIFICE SIZE

9/16 inch / 14 mm 3/4 inch / 19 mm

NPS DN X

1/2 15

0.73

0.38

0.82

- - - - - - - - - - - -

3/4 or 1 20 or 25 0.44 0.73 0.38 0.82

Table 4. IEC Sizing Coefcients

Note

To determine required loading pressure,

add the diaphragm differential pressure

to the desired outlet pressure setting.

Figure 2. Diaphragm Differential Pressure

for Pressure-Loaded Regulator

PRESSURE DROP ACROSS VALVE (bar)

DIAPHRAGM DIFFERENTIAL (psi)

DIAPHRAGM DIFFERENTIAL (bar)

PRESSURE DROP ACROSS VALVE (psi)

3/4-inch / 19 mm

orice size

9/16 inch / 14 mm

orice size

2 4 6 8 10 12

50 100 150 200

0.5

26A3808-A

A2508-1

16A1548-B

A2522-1

Figure 3. Typical Pilot-Operated Type 92C

Regulator Installation

1 2 3 4 5 6 7 8 ... 15 16

Type 92C Steam Regulator 1
Type 92C 10

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Emerson 92C Manual de instrucciones Pagina 3

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