Emerson EZH and EZHSO Series Pressure Reducing Regulators Ficha de datos descargar pdf (Pagina 15)

Bulletin 71.2:EZH and EZHSO

SPRING RANGE

SPRING

COLOR

SPRING

PART

NUMBER

MAXIMUM

SENSING

INLET

PRESSURE

MANOMETRIC

SENSING

DEVICE TYPE

MANOMETRIC

SENSING

DEVICE STYLE

SETPOINT

TOLERANCE

(1)

MAXIMUM

DIFFERENCE

BETWEEN

OVERPRESSURE

AND

UNDERPRESSURE

(2)

psig bar psig bar psig bar psid bar d

4.02 to

14.1 inches w.c.

10 to

35 mbar

Purple T14232T0012

75 5.2 162

Diaphragm

0.058 0.004 0.145 0.01

9.97 to

33.2 inches w.c.

25 to

83 mbar

Orange T14233T0012 0.073 0.005 0.363 0.03

18 inches w.c.

to 2.0 psig

45 mbar to

0.14 bar

Red T14234T0012 0.145 0.01 0.725 0.05

1.0 to 3.5 0.07 to 0.24 Yellow T14235T0012 0.203 0.014 0.870 0.06

1.7 to 5.6 0.12 to 0.39 Green T14236T0012 0.261 0.02 2.18 0.15

2 to 11 0.14 to 0.80 Gray T14238T0012 0.725 0.05 5.08 0.35

4 to 19 0.28 to 1.3 Brown T14239T0012 1.16 0.08 8.70 0.60

7 to 33 0.48 to 2.3 Black T14240T0012 2.47 0.17 16.0 1.1

15 to 75 1.0 to 5.2 Blue T14237T0012

235 16.2 71

5.08 0.35 36.3 2.5

31 to 161 2.1 to 11.1 Brown T14239T0012 10.2 0.70 79.8 5.5

59 to 235 4.1 to 16.2 Black T14240T0012 23.2 1.6 145 10.0

235 to 323 16.2 to 22.3 Brown T14239T0012

1470 101 27

Piston

43.5 3.0

Requires use of

Types BMS1

and BMS2

323 to 588 22.3 to 40.5 Black T14240T0012 94.3 6.5

588 to 808 40.5 to 55.7 Brown T14239T0012

1470 101 17

102 7.0

808 to 1470 55.7 to 101 Black T14240T0012 174 12.0

81 to 323 5.58 to 22.3 Brown T14239T0012

514 35.4 236

Bellows

14.5 1.00 145 10.0

122 to 514 8.4 to 35.4 Black T14240T0012 36.3 2.5 290 20.0

257 to 1058 17.7 to 72.9 Gray T14238T0012 1058 72.9 315 72.5 5.0 479 33.0

1. Minimum suggested difference between slam-shut set pressure and normal operating pressure of the system.

2. Maximum difference between overpressure and underpressure when using one manometric device (Type BMS1) with tripping hook. For underpressure and overpressure points greater

than this maximum number, use a second manometric device (Type BMS2) for underpressure protection.

Table 5. Manometric Device Specications

(1)

APPLICATION

MECHANISM BOX REQUIRED MANOMETRIC SENSING DEVICE REQUIRED

Type BM1 Type BM2 Type BMS1 Type BMS2

Overpressure Shutoff (OPSO)

Yes No

Yes

Underpressure Shutoff (UPSO)

Overpressure Shutoff (OPSO) and

Underpressure Shutoff (UPSO)

Yes

(1)

Overpressure Shutoff (OPSO) and

Underpressure Shutoff (UPSO)

No Yes

Yes

(2)

Yes

Overpressure Shutoff (OPSO), Overpressure Shutoff

(OPSO) and Underpressure Shutoff (UPSO)

Yes

(2)

Yes

(1)

1. When using one manometric sensing device (Type BMS1) for both overpressure and underpressure shutoff, make sure that the difference between set pressures falls within the

maximum range shown in Table 5.

2. When using two manometric sensing devices (Types BMS1 and BMS2), the Type BMS1 can only be used for high trip.

Table 6. Applications and Construction Guide (See Figure 8)

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 27 28

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Emerson EZH and EZHSO Series Pressure Reducing Regulators Ficha de datos Pagina 15

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