Emerson EZH and EZHSO Series Pressure Reducing Regulators Datový list stáhnout pdf (Strana 4)

Bulletin 71.2:EZH and EZHSO

Table 1. Main Valve Body Sizes, End Connection Styles and Body Ratings

MAIN VALVE BODY SIZE

MAIN VALVE BODY MATERIAL END CONNECTION STYLE

STRUCTURAL DESIGN RATING

NPS DN psig bar

1 25

LCC or WCC Steel

NPT or SWE 1500 103

CL150 RF 290 20.0

CL300 RF 750 51.7

CL600 RF or BWE 1500 103

2 50

NPT or SWE 1500 103

CL150 RF 290 20.0

CL300 RF 750 51.7

CL600 RF or BWE 1500 103

3 80

CL150 RF 290 20.0

CL300 RF 750 51.7

CL600 RF or BWE 1500 103

4 100

CL150 RF 290 20.0

CL300 RF 750 51.7

CL600 RF or BWE 1500 103

Table 2. Outlet Pressure Ranges

TYPE

OUTLET PRESSURE

RANGE

AC (ACCURACY CLASS) PILOT CONTROL SPRING INFORMATION

psig bar Type EZH Type EZHSO Spring Color Part Number

PRX/120

PRX/125

14.5 to 26

23 to 44

41 to 80

73 to 123

1.00 to 1.8

1.6 to 3.0

2.8 to 5.5

5.0 to 8.5

2.5%

Yellow

Green

Blue

Black

M0255240X12

M0255230X12

M0255180X12

M0255220X12

116 to 210

203 to 334

319 to 435

8.0 to 14.5

14.0 to 23.0

22.0 to 30.0

2.5%

Silver

Gold

Aluminum

M0255210X12

M0255200X12

M0255860X12

PRX/120-AP

PRX/125-AP

435 to 1160 30.0 to 80.0 1% 2.5% Clear M0273790X12

Table 3. Minimum Differential Pressures

(1)

TYPE

MAIN VALVE BODY SIZE MINIMUM DIFFERENTIAL

NPS DN

For 90% Capacity For 100% Capacity

psid bar d psid bar d

EZH

1 25 15.2 1.1 15.7 1.1

2 50 12.0 0.83 13.8 0.95

3 80 10.6 0.73 12.8 0.88

4 100 15.8 1.1 16.4 1.1

EZHSO

1 25 55 3.8 55 3.8

2 50 55 3.8 55 3.8

3 80 55 3.8 55 3.8

4 100 55 3.8 55 3.8

1. When using a Type SA/2 pilot supply lter regulator, the differential pressure across the regulator must be a least 45 psid / 3.1 bar d for optimum regulator performance.

1 2 3 4 5 6 7 8 9 ... 27 28

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