CL838 Regulator



ITRON / ACTARIS / SCHLUMBERGER / SPRAGUE CL838 GAS REGULATOR.
Applications
The CL838 series regulators is a single valve body regulator with large twin diaphragm cases that are pilot loaded to insure a high degree of accuracy during fixed factor measurement. This regulator is ideal for commercial and industrial service regulator applications when installed in compliance with D.O.T. regulations. The CL838 requires an inlet pressure of only 0.5 PSIG above outlet pressure.

Option Designations
  • CL838-1 - (See description below)
  • CL838-2 - (See description below)
  • CL838D-1 - (See description below)
  • CL838D-2 - (See description below)
  • CL838M-1 - (See description below)
  • CL838M-2 - (See description below)
  • CL838IM - (See description below)
  • CL838IM-1 - (See description below)
  • CL838IM-2 - (See description below)

    • Descriptions
  • CL838-1 - Maximum inlet pressure is 150 PSIG; outlet pressure range 6” W.C. to 5 PSIG; orifice size 3/8” to 1 3/8”
  • CL838-2 - Maximum inlet pressure is 150 PSIG; outlet pressure range from 1 PSIG to 30 PSIG; orifice sizes available from 3/8” to 1 3/8”
  • CL838D-1 - (Downstream) Maximum inlet pressure 150 PSIG; outlet pressure range 6” W.C. to 5 PSIG with closed throat and equipped for downstream control tap. This unit is used when it is desirable to control the regulator from a downstream sensing point other than the regulator valve body outlet side
  • CL838D-2 - Maximum inlet pressure is 150 PSIG. Outlet pressure range is from 1 PSIG to 30 PSIG. All other facets of the CL838D-2 are the same as the CL838D-1 regulator. Orifice sizes available are 3/8” through 1 3/8”
  • CL838M-1 - Regulator for monitor installation with closed throat and o-ring seal on the valve stem at the throat to assure positive downstream control when installed ahead of the operating regulator. This unit provides an operating safety device which assumes control over the operating regulator when failure is sensed by the monitor control line. The monitor regulator is set to take over control from the operating regulator with only a slight increase in outlet pressure. Orifice sizes 3/8” through 1 3/8” and outlet pressure range from 6” W.C. to 5 PSIG. And inlet pressures of 150 PSIG max
  • CL838M-2 - Regulator for monitor installations. All facets of this regulator are the same as the CL838M-1 except the range of outlet pressures which are from 1PSIG to 30 PSIG
  • CL838IM - Is a single valve body regulator with large (12 1/16” dia.) twin diaphragm cases pilot loaded to insure a high degree of accuracy during fixed factor measurement. The internal monitor features the safety advantage of a second gas tight backup seat if the normal orifices’ face and valve seats fail to contain the outlet pressure at the adjusted outlet pressure level. It also controls the gas flow between the failed open flow and no flow conditions, thus creating secondary regulation
  • CL838IM-1 - Has a maximum inlet pressure of 125 PSIG and an outlet pressure range from 6 inches of water column to 5 PSIG. Orifice sizes are available from 3/8” to 1”
  • CL838IM-2 - Has a maximum inlet pressure of 125 PSIG and an outlet pressure range from 1 PSIG to 30 PSIG. Orifice sizes are available from 3/8” to 1”

    • Specification Sheet
    Click Here
    Sizing Chart
    Click Here
    Regulator Request Form
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