Regulators

Sensus Regulators
  • Sensus Regulator 496 : 3/8″, 1/2″, 3/4″, and 1″

    Sensus Regulator 496 : 3/8″, 1/2″, 3/4″, and 1″

    Available Sizes
    Regular: 3/8", 1/2", 3/4", and 1"

    Diaphragm: 4" Molded, roll-out polyester fabric reinforced Buna-N with integral relief seat and case flange seal
    Vent and Valve: Precision-fit polypropylene valve and seat, threaded 3/4" or 1" NPT
    Adjustment Screw: ABS cycolac
    Closing Cap: ABS cycolac with internal relief valve stop and a hole for available tamper seal wire
    Corrosion Protection: Chromate converted castings, topcoat enamel,optional E-coat
    Internal Relief Valve: Set to relieve at 7" w.c. - 10" w.c. above normal outlet pressure setting of 7" w.c.

    For use on other compatible gases, flow capacities must be adjusted using the following correction factors:
    Type Gas Sp Grav Corr Factor
    Air 1.0 0.77
    Propane 1.53 0.63
    Propane-air 1.2 0.71
    Nitrogen 0.97 0.79
    Dry CO2 1.52 0.63

    For other non-corrosive gases, the Correction Factor is equal to: √0.6/Specific Gravity

    Mounting Positions
    These are multi-poised regulators, designed to that they can be mounted in any piping orientation.

  • Sensus Regulator 143-80-1 : 3/4″, 1″, 1-1/4″

    Sensus Regulator 143-80-1 : 3/4″, 1″, 1-1/4″

    Sensus residential service regulators have a simple, modern design and rugged construction, offering greater dependability, precise pressure control, and outstanding performance. These are multi-poised regulators, designed to that they can be mounted in any piping orientation. The union nut style connection of the 143-80 makes it especially easy to adjust.

    Diaphragm: Nylon fabric reinforced Buna-N with full 26 in2 effective area

    Vent and Valve: Precision-fit polyethylene valve and seat, threaded 3/4", 1", 1=1/4" NPT

    Corrosion Protection: Cases dip primed chromate conversion coating, topcoat enamel

    Internal Relief Valve: none

  • Sensus Regulator 143-80-2 : 3/4″, 1″, 1-1/4″

    Sensus Regulator 143-80-2 : 3/4″, 1″, 1-1/4″

    Sensus residential service regulators have a simple, modern design and rugged construction, offering greater dependability, precise pressure control, and outstanding performance. These are multi-poised regulators, designed to that they can be mounted in any piping orientation. The union nut style connection of the 143-80 makes it especially easy to adjust.

    Diaphragm: Nylon fabric reinforced Buna-N with full 26 in2 effective area

    Vent and Valve: Precision-fit polyethylene valve and seat, threaded 3/4", 1", 1=1/4" NPT

    Corrosion Protection: Cases dip primed chromate conversion coating, topcoat enamel

    Internal Relief Valve: Set to relieve at approximately 7" w.c. above normal outlet pressure setting

  • Sensus Regulator 143-80-2HP : 3/4″, 1″, 1-1/4″

    Sensus Regulator 143-80-2HP : 3/4″, 1″, 1-1/4″

    Sensus residential service regulators have a simple, modern design and rugged construction, offering greater dependability, precise pressure control, and outstanding performance. These are multi-poised regulators, designed to that they can be mounted in any piping orientation. The union nut style connection of the 143-80 makes it especially easy to adjust.

    Diaphragm: Nylon fabric reinforced Buna-N with full 26 in2 effective area

    Vent and Valve: Precision-fit polyethylene valve and seat, threaded 3/4", 1", 1=1/4" NPT

    Corrosion Protection: Cases dip primed chromate conversion coating, topcoat enamel

    Internal Relief Valve: Set to relieve at approximately 7" w.c. above normal outlet pressure setting

  • Sensus Regulator 243-8-1 : 1-1/4″, 1-1/2″, 2″ and 2″ FLGD

    Sensus Regulator 243-8-1 : 1-1/4″, 1-1/2″, 2″ and 2″ FLGD

    Available Sizes
    Regular: 1-1/4", 1-1/2", 2"
    Flanged: 2"
    No IRV

    Sensus large capacity industrial service regulators are designed and built for commercial, industrial, and gas distribution use. As a result of the collar connection between the fully inter-changeable bodies and the diaphragm case, they have remarkable field versatility. They are right at home in such places as factories and foundries, district regulator stations, commercial laundries and laundromats, motels-hotels and apartments, bakeries, restaurants, schools, churches and hospitals.

    The versatile 243 is used for all kinds of gas fueled equipment .. .boilers, burners, furnaces, ovens, heaters, kilns, engines, air conditioners, etc.
    Remarkable field versatility results from the union connection between the fully interchangeable bodies and diaphragm-case assemblies. They are easy to install, adjust, inspect, and service in all piping arrangements.
    Depth is affected by mounting position, flanged or screwed connections, diaphragm case size, and whether or not the unit is HP or standard.

    Mounting Positions
    These are multi-poised regulators, designed to that they can be mounted in any piping orientation.

    Other Cases
    243 Regulators are mainly used on natural gas. However, they perform equally as well on LP gas, nitrogen, dry CO2 , air and others. Contact us for special construction which may be available for certain corrosive gases.

  • Sensus Regulator 243-8-2 : 1-1/4″, 1-1/2″, 2″ and 2″ FLGD

    Sensus Regulator 243-8-2 : 1-1/4″, 1-1/2″, 2″ and 2″ FLGD

    Available Sizes
    Regular: 1-1/4", 1-1/2", 2"
    Flanged: 2"

    Sensus large capacity industrial service regulators are designed and built for commercial, industrial, and gas distribution use. As a result of the collar connection between the fully inter-changeable bodies and the diaphragm case, they have remarkable field versatility. They are right at home in such places as factories and foundries, district regulator stations, commercial laundries and laundromats, motels-hotels and apartments, bakeries, restaurants, schools, churches and hospitals.

    The versatile 243 is used for all kinds of gas fueled equipment .. .boilers, burners, furnaces, ovens, heaters, kilns, engines, air conditioners, etc.
    Remarkable field versatility results from the union connection between the fully interchangeable bodies and diaphragm-case assemblies. They are easy to install, adjust, inspect, and service in all piping arrangements.
    Depth is affected by mounting position, flanged or screwed connections, diaphragm case size, and whether or not the unit is HP or standard.

    Mounting Positions
    These are multi-poised regulators, designed to that they can be mounted in any piping orientation.

    Other Cases
    243 Regulators are mainly used on natural gas. However, they perform equally as well on LP gas, nitrogen, dry CO2 , air and others. Contact us for special construction which may be available for certain corrosive gases.


Pietro Fiorentini Regulators
    • Low Capacity: 5 PSIG CSA/ANSI Z21.80 Compliant

      Low Capacity: 5 PSIG CSA/ANSI Z21.80 Compliant

      Available Models:
      30151DC: 1/2” NPT
      30152DC: 3/4” NPT
      30153DC: 1” NPT

      Pietro Fiorentini's Governor line of gas regulators are designed to comply with the latest CSA and International standards for regulators suitable for indoor or outdoor installations with no modifications.

      The Governor family of regulators are ideal for all burner installations and for low pressure gas distribution systems. The materials and soft parts used in the construction of the Governor regulators makes them suitable for use with natural gas, LPG, Propane air and all other non corrosive gases.

      All the Governor regulators are equipped with balanced valve design for high outlet pressure accuracy regardless of any inlet pressure variation. The double diaphragm provides added security in case of primary diaphragm failure. The integral vent limiter eliminates the need for costly piping for indoor installations and complies with CSA guidelines. The number of regulator options sometimes eliminates the need for separate units and significantly reduced installation costs.

    • Low Capacity: 2 PSIG CSA/ANSI Z21.80 Compliant

      Low Capacity: 2 PSIG CSA/ANSI Z21.80 Compliant

      Available Models:
      30151: 1/2” NPT
      30152: 3/4” NPT
      30153: 1” NPT
      30150: 1/2” NPT
      30151: 3/4” NPT
      30152: 1” NPT
      30153: 1-1/4” NPT
      30154: 1-1/2” NPT
      30155: 2” NPT
      30157F: 3” FLGD
      30158F: 4” FLGD

      CSA design certified Z21.80/ CSA 6.22 Class I Line Gas Pressure Regulator for 2 psig inlet pressure, outlet pressure range of 2 inches W.C. to ½ psig. The GOVERNOR allows for vent limited**, multi-position installation, and positive dead-end lockup for ½” through 4". The GOVERNOR also features double diaphragm, integral vent limiter and external vent limiter with balanced valve design to provide increased capacity and accuracy. The GOVERNOR is suitable for indoor and outdoor installation. The GOVERNOR is also certified ANSI Z21.18 (appliance regulators).

      GOVERNOR non-certified models are available from ½" through 4" pipe size, up to 7 psig inlet pressure and 2 psig outlet pressures. Integral slam-shut valves and filters are available. The GOVERNOR gas pressure regulator is suitable for indoor and outdoor installation.

    • Low Capacity: 10 PSIG CSA/ANSI Z21.80 Compliant

      Low Capacity: 10 PSIG CSA/ANSI Z21.80 Compliant

      Available Models:
      30051DC-10 1/2” NPT
      30052DC-10 1/4” NPT
      30053DC-10 1” NPT

      Pietro Fiorentini's Governor line of gas regulators are designed to comply with the latest CSA and International standards for regulators suitable for indoor or outdoor installations with no modifications.

      The Governor family of regulators are ideal for all burner installations and for low pressure gas distribution systems. The materials and soft parts used in the construction of the Governor regulators makes them suitable for use with natural gas, LPG, Propane air and all other non corrosive gases.

      All the Governor regulators are equipped with balanced valve design for high outlet pressure accuracy regardless of any inlet pressure variation. The double diaphragm provides added security in case of primary diaphragm failure. The integral vent limiter eliminates the need for costly piping for indoor installations and complies with CSA guidelines. The number of regulator options sometimes eliminates the need for separate units and significantly reduced installation costs.

    • High Capacity

      High Capacity

      Available Models:
      30150-1XS: 1/2” NPT
      30151-2XS 3/4” NPT
      30152-3XS 1” NPT
      30153-4XP 1-1/4” NPT
      30154-5XP 1-1/2” NPT
      30155-6XP 2” NPT
      30156F-7XP 2-1/2” FLGD
      30157F-7XP 3” FLGD
      30158F-8XP 4” FLGD

      Pietro Fiorentini's Governor line of gas regulators are designed to comply with the latest CSA and International standards for regulators suitable for indoor or outdoor installations with no modifications.

      The Governor family of regulators are ideal for all burner installations and for low pressure gas distribution systems. The materials and soft parts used in the construction of the Governor regulators makes them suitable for use with natural gas, LPG, Propane air and all other non corrosive gases.

      All the Governor regulators are equipped with balanced valve design for high outlet pressure accuracy regardless of any inlet pressure variation. The double diaphragm provides added security in case of primary diaphragm failure. The integral vent limiter eliminates the need for costly piping for indoor installations and complies with CSA guidelines. The number of regulator options sometimes eliminates the need for separate units and significantly reduced installation costs.

    • High Capacity: 5 PSIG CSA/ANSI Z21.80 Compliant

      High Capacity: 5 PSIG CSA/ANSI Z21.80 Compliant

      Available Models:
      30150DC 1/2” NPT
      30151DC ¾” NPT
      30152DC 1” NPT
      30153DC 1-1/4” NPT
      30154DC 1-1/2” NPT
      30155DC 2” NPT
      30156DC 2-1/2” NPT
      30157DC 3” FLGD
      30158DC 4” FLGD

      Pietro Fiorentini's Governor line of gas regulators are designed to comply with the latest CSA and International standards for regulators suitable for indoor or outdoor installations with no modifications.

      The Governor family of regulators are ideal for all burner installations and for low pressure gas distribution systems. The materials and soft parts used in the construction of the Governor regulators makes them suitable for use with natural gas, LPG, Propane air and all other non corrosive gases.

      All the Governor regulators are equipped with balanced valve design for high outlet pressure accuracy regardless of any inlet pressure variation. The double diaphragm provides added security in case of primary diaphragm failure. The integral vent limiter eliminates the need for costly piping for indoor installations and complies with CSA guidelines. The number of regulator options sometimes eliminates the need for separate units and significantly reduced installation costs.

    • High Capacity: 10 PSIG CSA/ANSI Z21.80 Compliant

      High Capacity: 10 PSIG CSA/ANSI Z21.80 Compliant

      10 PSIG CSA/ANSI Z21.80 Compliant

      Available Models:
      30150DC-10: 1/2” NPT
      30151DC-10: 3/4” NPT
      30152DC-10: 1” NPT
      30153DC-10: 1-1/4” NPT
      30154DC-10: 1-1/2” NPT
      30155DC-10: 2” NPT
      30156DC-10: 2-1/2” NPT
      30157DC-10: 3” FLGD
      30158DC-10: 4” FLGD

      Pietro Fiorentini's Governor line of gas regulators are designed to comply with the latest CSA and International standards for regulators suitable for indoor or outdoor installations with no modifications.

      The Governor family of regulators are ideal for all burner installations and for low pressure gas distribution systems. The materials and soft parts used in the construction of the Governor regulators makes them suitable for use with natural gas, LPG, Propane air and all other non corrosive gases.

      All the Governor regulators are equipped with balanced valve design for high outlet pressure accuracy regardless of any inlet pressure variation. The double diaphragm provides added security in case of primary diaphragm failure. The integral vent limiter eliminates the need for costly piping for indoor installations and complies with CSA guidelines. The number of regulator options sometimes eliminates the need for separate units and significantly reduced installation costs.


      Maxitrol Regulators
      • RV-91 2″ and 2-1/2″

        RV-91 2″ and 2-1/2″

        SPECS:
        SizeS: 2", 2-1/2"
        Capacity (BTU): 7500000
        Description for Maxitrol RV91-2

        All models except RV131 are CSA design certified for 1/2 psi rated pressure under the ANSI standard for gas pressure regulators; and CSA listed to certify compliance with nationally published safety, construction, and performance standards.

        They are main burner only, non-lockup type.They should not be used as a line gas pressure regulator ahead of low pressure controls. Use only where downstream controls can operate at line pressure. Refer to other Maxitrol sales bulletins for proper types. The RV52, RV53 & RV61 are suitable for multipurpose mounting. The RV81, RV91, RV111 & RV131 are recommended for normal horizontal position only.

      • RV-81 1-1/4 and 1-1/2″

        RV-81 1-1/4 and 1-1/2″

        SPECS:
        Sizes: 1-1/4", 1-1/2"
        Capacity (BTU): 4500000
        Description for Maxitrol RV81-1-1/4

        All models except RV131 are CSA design certified for 1/2 psi rated pressure under
        the ANSI standard for gas pressure regulators; and CSA listed to certify compliance with nationally published safety, construction, and performance standards.

        They are main burner only, non-lockup type. They should not be used as a line gas pressure regulator ahead of low pressure controls. Use only where downstream controls can operate at line pressure. Refer to other Maxitrol sales bulletins for proper types. The RV52, RV53 & RV61 are suitable for multipurpose mounting. The RV81, RV91, RV111, & RV131 are recommended for normal horizontal position only.

      • RV-61 1″ and 1-1/4″

        RV-61 1″ and 1-1/4″

        All models except RV131 are CSA design certified for
        1/2 psi rated pressure under the ANSI standard for gas
        pressure regulators; and CSA listed to certify
        compliance with nationally published safety,
        construction, and performance standards.
        They are main burner only, non-lockup type. They
        should not be used as a line gas pressure regulator
        ahead of low pressure controls. Use only where
        downstream controls can operate at line pressure.
        Refer to other Maxitrol sales bulletins for proper types.
        The RV52, RV53, & RV61 are suitable for multipoise
        mounting. The RV81, RV91, RV111, & RV131 are
        recommended for normal horizontal position only.

      • RV-53 3/4″ and 1″

        RV-53 3/4″ and 1″

        SPECS:
        Size: 3/4", 1"
        Capacity (BTU): 1300000

        These regulators are main burner only, non-lockup type. They should not be used as a line gas pressure regulator ahead of low pressure controls. Use only where downstream controls can operate at line pressure.

        The RV52, RV53, & RV61 are suitable for multipurpose mounting. The RV81, RV91, RV111, & RV131 are recommended for normal horizontal position only. Maxitrol's original Straight-Thru-Flow design meets your needs for high capacities at low inlet pressures. The basic difference between Straight-Thru-Flow design and other type regulators lies in the conical valve.

        The cone principal permits gas to flow straight through the regulator without changing directions. Frictional flow resistance is reduced, resulting in greater capacity. The improved flow pattern provides accurate sensitive regulation at extremely low pressure differentials. The ability of the regulator to handle large capacity appliances with limited supply pressure offers a definite advantage to designers of commercial and industrial gas-fired equipment.

        Straight-Thru-Flow appliance regulators are intended for use with all fuel gases, and may also be used with air or other noncorrosive gases within their pressure limits.

      • RV-52 1/2″ and 3/4″

        RV-52 1/2″ and 3/4″

        SPECS:
        Sizes: 1/2", 3/4"
        Capacity (BTU): 900000

        Maxitrol's original straight-thru-flow design regulators are main burner only, non-lockup type. Typical applications include residential, commercial, and industrial gas-fired appliances and equipment used on low/medium pressure gas supply.

        They are suitable for natural, manufactured, mixed gases, liquefied petroleum gases and LP gas-air mixtures.

      • RV-48 1/2″ and 3/4″

        RV-48 1/2″ and 3/4″

        SPECS
        Sizes: 1/2" , 3/4"
        Capacity: 230000 BTU


        These rubber seat poppet type regulators are designed primarily for main burner and pilot load applications where precise control of tiny flows is an essential operating requirement.


        Housings are of high strength aluminum die castings. All models, with the exception of D suffix models, have been tested for multi-poise mounting and may be installed in any plane or angle without restriction. D suffix models are to be mounted horizontally. Other than normal upright position will result in slight difference of outlet pressure. They may be used with natural, manufactured, mixed, LP, or LP gas-air mixture.