Data Sheet

Bulletin 71.1:CS200

ORIFICE SIZE REGULATOR SET PRESSURE

MAXIMUM INLET PRESSURE TO KEEP OUTLET PRESSURE AT OR BELOW

(1)(2)

2 psig / 138 mbar 2.5 psig / 0.17 bar

Inch mm Inch w.c. mbar psig bar psig bar

1/8 3.2

14 35

>125 >8.6 >125 >8.6

3/16 4.8 59 4.1 82 5.7

1/4 6.4 28 1.9 40 2.8

3/8 9.5 10 0.69 14 0.97

1. Relief value obtained by disconnecting the lever.

2. 2 psig / 138 mbar is the maximum outlet pressure allowed per ANSI B109.4.

Table 11. Type CS200IR Internal Relief Performance Table for 14-inches w.c. / 35 mbar Setpoint

Figure 6. NPS 1 Body Type CS200IR Typical Relief Performance (Linkage Disconnect) at 14 inches w.c. / 35 mbar Set Pressure

OUTLET PRESSURE, psig / bar

INLET PRESSURE, psig / bar

0 10 / 0.69 20 / 1.4 30 / 2.1 40 / 2.8 50 / 3.4 60 / 4.1 70 / 4.8 80 / 5.5 90 / 6.2 100 / 6.9 110 / 7.6 120 / 8.3

1/8-INCH / 3.2 mm

ORIFICE

3/16-INCH / 4.8 mm

ORIFICE

ANSI B109.4 MAXIMUM

OUTLET PRESSURE

1/4-INCH / 6.4 mm

ORIFICE

3/8-INCH /

9.5 mm ORIFICE

1/2-INCH / 13 mm

ORIFICE

3 /

0.21

2.5 /

0.17

2 /

138 mbar

1.5 /

103 mbar

1 /

69 mbar