Sensus 243 12 gas regulator manual manual pdf. Refer to RM-1306 for The 121 is actually a whole new family of regulators – standard regulator, zero governor or atmospheric regulator, differential regulator, back pressure regulator, or relief valve, vacuum regulator and vacuum breaker. Mixing & Mixing Equipment. 6 Specifi c Gravity – 14. 2"NPT Cast Iron Body 1"-30° Orifice / Valve Green spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT 121-12, 1/2" for 121-16, or larger steel tubing or pipe is preferred). 2"NPT Cast Iron Body 1/2"-10° Orifice / Valve Green spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Maximum Inlet P. QR-S Mechanical Damping Device. Sensus 243 Gas Regulador - Free download as PDF File (. The Model 121 is a new dimension in spring regulator capability. Start-Up. Pipeline Assessment Services. Buried Service Model 243 Service Regulators are not recommended for buried service. For Xylem Vue Digital Solutions. Light & Power. Soft seats ensure positive tight shutoff. to 150°F. Although these regulators are used mainly for natural gas service, they perform equally well with LP gas, nitrogen, air, dry CO2 and other inert A load limiting regulator should be used where outlet pressure is below 1 psi and inlet pressure exceeds 40 psi. Relay operation also minimizes the effects of inlet variations. Sensus 243-12-2, 2"FLDG gas pressure regulator with IRV for natural gas and LP (propane) gas. They are right at home in such places as factories and foundries, district regulator stations, commercial laundries and laundromats, motels, hotels and apartments In Stock The versatile 243 is used for all kinds of gas fueled equipment such as boilers, burners, furnaces, ovens, heaters, kilns, engines, air conditioners, etc 2" NPT Screened Vent 1"NPT Maximum Inlet Pressure 60 PSIG IRV (Internal Relief Valve)regulator Natural gas or Lp (Propane) gas Versatile, Dependable, Accurate and Fast. Carefully note location and position of all disassembled parts Unscrew orifice 19 using 1 Communications & Data Transfer Devices. 2"NPT Cast Iron Body 3/4"-10° Orifice / Valve Green/black spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Maximum In. We have 1 Sensus 243-12-6 manual available for free PDF download: Manual Sensus 243-12-6 Manual (25 pages) 243 Technical manual. Install as shown on the typical installation drawings and adjust for a set-point 3 to 5 psi above the 243-RPC set-point. And finally, there is the Sensus Model 243-HP (High Pressure) regular and Installation manual. txt) or read online for free. 2"NPT Cast Iron Body 3/4"-30° Orifice / Valve Green spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Maximum Inlet Pessure 40 Model 243 Service Regulators Construction and Design Features Model 243-8-1 Model 243-12-1 Travel Stop A travel stop is located in the 243-12-1 and the 243-12-4 to provide overpressurization protection. Outlet Pressure Ranges and Springs A load limiting regulator should be used where outlet pressure is below 1 psi and inlet pressure exceeds 40 psi. 2"NPT Cast Iron Body 1/4"-10° Orifice / Valve Green spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Maximum Inlet P Description. Vent Connection: 1″ NPT. 2"NPT Cast Iron Body 1. he Model 143-80 is an excellent general purpose gas. Installation manual. Our family of 461-S low-pressure regulators are balanced-valve, spring-type regulators for distribution and industrial applications. Sensus regulator Regulators should be installed, operated, and maintained in accordance with applicable codes and regulations, and Sensus instructions. This item is in stock. Make sure the regulator is correctly connected and adequately supported. Gas Regulators Sensus {Rockwell-Equimeter} Sensus Series 243 IRV Gas Regulator 2" Npt with 3/8" 10 Degree Orifice Black Spring (2"-4-1/4"PSIG) 243-12-1 and the 243-12-4 to provide overpressurization protection. 441-57S and 461-57S Medium Pressure Regulators. They are easy to install, adjust, inspect, and service in all 243-12 Cover Assembly IRV (includes vent valve and spring) 243-12 Cover Assembly STD (includes vent valve and spring) 243-8 Cover Assembly (includes vent valve and spring) Flange Bolt, 5⁄ 16 x 1” Hex Hd Flange Nut, 5⁄ 16 - 18 Hex S. This makes them strong and corrosion resistant. The Sensus 046 field and high pressure gas regulator combines simple design, and rugged construction for exceptional performance, and operational safety. Sensus Models 243-8-1 and 243-12-1 are standard regulators, Sensus Models 243-8-2 and 243-12-2 includes an internal relief valve (IRV), Sensus Models 243-8-4 and 243-12-4 offers low pressure cut-off (LPCO) and the Sensus Models 243-8-6 and 243-12-6 have both IRV and LPCO. If an outlet stop valve is used, it should be opened first. Remove valve 15 per section “To Service Valve-15”. accuSTREAM ™ Water Meters. Slowly open the inlet valve while monitoring the outlet pressure gauge. Gas Regulators Sensus {Rockwell-Equimeter} Sensus Series 243 IRV Gas Regulator 2" Npt with 3/4" 30 Degree Orifice Green Spring (6"-14"WC) 6. Genuine, pilot-operated regulators use the same relay operation principle as the well-known 441-VPC. Products & Services. Part# 143-16-021-06 Downloads 243 Technical manual Installation manual FREE* UPS ground shipping on orders $300 and over / Order before 4 PM EST we will ship same DAY, Looking for Sensus 496 or 143-80 regulators which currently are not available checkout the NORGAS NGR02 243 Technical manual. 5% absolute outlet pressure from minimum to wide-open flow. Sensus 243 Gas Pressure Regulator series has model types 243-8-1, 243-8-2, 243-12-1, 243-12-2 and 243-8-2HP. They can be used in a variety of commercial and of gas beyond the outlet valve. Metrology Equipment for Utilities. Black spring outlet range 1-2 PSIG for Sensus 243-12, 122-12, 121-12 gas pressure regulator. 9. The 122 has a fast speed of response, yet is stable in operation. Sensus 143-16-005-00 Cap and O-Ring for 243-12-2 and 243-8-2 Regulators. They are right at home in such places as factories and foundries, district regulator stations, commercial laundries and laundromats, motels, hotels and apartments, bakeries Sensus 243-12-2, 2"NPT gas pressure regulator with IRV for natural gas and LP (propane) gas. The regulator models 461-S, 461-12S, and 461-8S can be used Insert spring 9. The Sensus Model 243-8-2 2" NPT Gas Pressure Regulator large capacity service regulators are designed and built for commercial, industrial, and gas distribution work. Model 243 Service Regulators Construction and Design Features Model 243-8-1 Model 243-12-1 Travel Stop A travel stop is located in the 243-12-1 and the 243-12-4 to provide overpressurization protection. Accuracy is largely unaffected by swings in inlet pressure. Outlet range 1-2 PSIG for Sensus 243-8, 121-8, 122-8 regulators. No category . 243-12-1 and the 243-12-4 to provide overpressurization protection. Remove retaining ring 16a. If the regulator vents fluid or a leak develops in the system, it indicates that service is required. ***Not eligible for the $12. View online Installation and maintenance instructions manual for Sensus 243-12-1 Controller or simply click Download button to examine the Sensus 243-12-1 guidelines offline on your desktop or laptop computer. It can be used for natural gas, air, CO. Pipe Fittings. Outlet range 2-4. Sensus 243-12 Regulator. Turn clockwise to increase and counterclockwise to decrease outlet pressure. It offers spring regulator dependability, simplicity and economy. Sensus Gas Pressure Regulator Part# 243-12-2; 2"Std 3/4"Orf30' 6-14" Green Spring; Parts Breakdown available; Comes with Installation Manual and technical sheet. Interchangeable Orifices: 1/8″ – 5/8″. New technology plus contemporary design provides greater capacity. And, for a complete 121 regulator, ready to go back to work for you – contact your Sensus Representative or Authorized The Model 122 Regulator illustrates a combination of capacity, performance and value. , propane, butane, nitrogen, and other gases. Heat Exchangers. 243 Service Regulators Invensys Energy Metering 80 Liberty Boulevard DuBois, PA 15801 Telephone (814) 371-8000 Models 243-12-2 and 243-12-1 ILL. It must be well protected against breakage. Sensus Spring for 243-8 and 243-12 Regulators. Aclara I-210+c ™ Electricity Meter. It can be used for gas services to homes, commercial establishments and small industries as well as burners, unit heaters, boilers, and other equipment. Make sure the regulator is correctly connected and pipe joints are tight. Install the Sensus Model 122 industrial combustion type gas pressure regulator. Metrology Products. Page 5 Model 122 Regulators Installation and Maintenance Instructions 1" and 1¼" Model 122-8 GIM1329-035 GIM1329-040 (Internal Control) (External Control) BACk 243 Technical manual. The inlet and outlet shutoff valves should both be closed. Sensus143-80 Domestic Service Regulators. Set-point should be checked with small gas flow (10% of maximum regulator capacity or less). Monitor the outlet pressure during start-up to prevent an outlet pressure overload. Page 5 Make sure travel indicator 45 is working. Find Products. We have 1 Sensus 121-8HP manual available for free PDF download: Vacuum Regulator. Communications & Data Transfer Devices. Sensus 143-16-102-00 Clamping Plate for 243-12-2. Pumps & Packaged Pump Systems. Adjust outlet pressure (setpoint) by removing cap (1) or (1e) and turning adjustment spring button (3). 243 Sensus Regulator - Free download as PDF File (. As a result of the union connection between the fully interchangeable bodies and the diaphragm case, they have remarkable field versatility. Solutions. Use Truarc 0200 pliers, Sensus 3 beforehand and return it to the same place at reassembly. Temperature Limits Model 243 Service Regulators can be used for fl owing temperatures from -20°F to 150°F. Sensus 243-12-1 121 and 122 Industrial Combustion Regulators. Tighten Temperature Limits bolts 23-22 evenly. 50/2 Days or less Shipping option***. A. 243 commercial regulators can be found in factories, foundries, district regulator stations, commercial laundries and laundromats. 2. for flowing temperatures from -20°F to 150°F. -. Aclara kV2c Gen 5 Electricity Meter. The Model 143-80-2 includes an internal relief valve. Sensus 243-12-1, 1-1/2"NPT gas pressure regulator for natural gas and LP (propane) gas. The Sensus 122 series is unbeatable combination of capacity, performance and economy. 5% accuracy (based on absolute pressure) from set-point flow to the capacity given in the tables on pages 5, 6 and 7. The versatile 243 is used for all kinds of gas fueled equipment such as boilers, burners, furnaces, ovens, heaters, kilns, engines, air conditioners, etc. 25 PSIG for Sensus regulators 243-8, 121-8. Note: Lead times are estimates only The 243-RPC pilot-operated regulator is designed for fixed factoring, pressure factor measurement, pressure compensated metering and other applications requiring exceptionally precise pressure control. Sensus Model 143-80 series domestic service regulators can be used on both residential, small commercial and Heat Exchangers. Technical Documentation. Install as shown on the typical installation drawings and adjust for a setpoint 3 to 5 psi above the 243-RPC setpoint. This field regulator features a dependable, flexible, and economical solution for pound-to-pound pressure regulation applications. Ask us for engineering or product support. Failure to take the regulator out of service immediately may create a hazardous condition. 2" 125# FF Flanged Cast Iron Body 1"-30° Orifice / Valve Green spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Max The Model 243 service regulator is a large capacity industrial service regulator designed for commercial, industrial, and gas distribution use. Buried Service The Model 122 Regulator is not recommended for buried service. Do not overload the diaphragm with a sudden surge of inlet pressure. Sensus 243-RPC-B, 2"NPT gas pressure regulator pilot operated for natural gas and LP (propane) gas. Sensus 243-12-2, 2"NPT gas pressure regulator with IRV for natural gas and LP (propane) gas. 5 PSIG OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Maximum Inle The 243-RPC is accurate within ±0. Sensus is a Xylem Brand, formerly known as Rockwell, Equimeter and BTR. Model 143-80-1 is a standard regulator. Open the valve downstream of the regulator before turning on gas. 243 Commercial Natural Gas Regulators. 243-RPC-B-2 Manual; 243-RPC-B-2 Spec Sheet; Manufacturer Info Sensus 243-8HP, 1-1/2"NPT gas pressure regulator for natural gas and LP (propane) gas. Their design works well for Model 121 Regulators Data Sheet for Pilot Operated, Pressure Loaded, and V-Port Valve Options Capacity Tables – 2½" Models 121-RPC and 121-8PL in SCFH of Natural Gas (0. used for gas services to homes, commercial establishments and small industries, for burners, unit heaters, boilers, and other equipment. • If the regulator is to be moved to another location, make sure its construction is compatible with the pressure and flow conditions. < View all Regulators. Although these regulators are used mainly for natural gas service, they perform equally well with LP gas, nitrogen, air, dry CO2 and other inert We have 2 Sensus 243-12-2 manuals available for free PDF download: Manual, Installation And Maintenance Instructions Manual Sensus 243-12-2 Manual (25 pages) Service Regulators We have 2 Sensus 243-12-1 manuals available for free PDF download: Manual, Installation And Maintenance Instructions Manual Sensus 243-12-1 Manual (25 pages) Service Regulators Sensus Regulator Series 121-8, 121-8HP, 121-12, 121-16. 2"NPT Cast Iron Body STD Valve V-port valve optional Green spring Outlet Range 6-14"WC (select additional ranges above) Positive dead-end lockup regulator Formerly Rockw. Regulator will open wide if the control line breaks. Carefully engineered internal sensing produces accurate pressure control without an external control line. The Model 143-80-2 includes an internal. 461-S Lower Pressure Regulator. 243-12 Lower Case 243-12 Lower Case (tapped for exter-nal control line) 243-08 Lower Case Sensus 122 Regulator. They can help achieve greater capacity, higher inlet pressure, more accurate performance and a faster response for higher volume commercial and industrial applications. The regulator set-point is factory adjusted as specified on the order. 046 Field Regulators. In addition, the 243-RPC is accurate within ±0. 25"-30° Orifice / Valve Green spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Maximum Inlet Sensus Series 243 IRV Gas Regulator 1-1/4" Npt with 1/2" 10 Degree Orifice Green and Black Spring (6"-14"WC) Connection Size: 1 1/4" Connection Type: NPT Threaded Alt Part #: 243-12 2, 243-12-2-355215, 243-12-2355215, 243-12-355215, 243122, S243122K View Substitute Items 2in Regulator 1in Orifice Green Spring Sensus - 6-14in WC Sensus 122-12 Manuals & User Guides User Manuals, Guides and Specifications for your Sensus 122-12 Controller. Refer to RM-1306 for While used primarily for natural gas services, Model 243 regulators perform equally well on LPG vapor, air, dry CO2, nitrogen, and other inert gas applications. pressure regulator. Sensus Model 243 Installation. 25"-30° Orifice / Valve Green spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Maximum Inlet P. †80 psi for 243-12 with external control line. Streamlined body passages provide large capacity. G. For LPCO refer to page 5. Page 5 Split Lockwasher 5/8" 932531 Other Gases Diaphragm Stem 091-00-058-00 Model 461 The Model 143-80 is a general purpose pressure regulator used for natural gas, air, dry CO. Sensus Series 243 Gas Regulator 2" Npt with 1/2" 10 Degree Orifice Black Spring (2-4-1/4 PSIG) Search. The 143-80 is also available with a low pressure cut-off — Models 143-80-4 and 143-80-6. They are easy to install, adjust, inspect, and service Sensus Green Spring for Model 243 Gas Regulator, 6-14" WC and 12-28" WC Log In for Pricing and Availability. For installation, servicing and parts, see Bulletin IN-G-REG-1328. 2" 125# FF Flanged Cast Iron Body 1/4"-10° Orifice / Valve Green spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT M Sensus Series 243 RPC Gas Regulator 2" Npt with 1" 30 Degree Orifice Grey Spring (3-15 PSIG) Search. F. Only adjust when gas is fl owing through the regulator. These versatile natural gas regulators are ideal for commercial use such as apartments, restaurants, schools and hospitals. Sensus 10 Degree Valve Pocket for 243-12 and 243-8 Regulators. Page 9 Installation and Maintenance Model 121 Regulators Servicing – 3/4", 1", 1-1/4" General Instructions To Service Orifice – 19 Make sure the regulator is entirely depressured before servicing. $1,099. These regulators vary with features. It can be used for gas services to homes, commercial estab- lishments and small industries, for burners, unit heaters, boilers, and other equipment. Heating, Ventilation & Air Conditioning (HVAC) / Plumbing. Because of their simple design, sturdy construction and fast response, they are exceptionally dependable. Sensus Service Regulators Model 243 - Installation and Maintenance Instructions Sensus Orifices for 243-12 & 243-8 Regulators. 1-1/4"NPT Cast Iron Body 1/2"-10° Orifice / Valve Green/black spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Ma. *The term "standard" refers to non-IRV configurations. Compatible with natural gas, propane, LPG, air nitrogen, etc. 441-X57 and 461-X57 High Pressure Regulators. Remarkable field versatility results from the union connection between the fully interchangeable bodies and diaphragm-case assemblies. Do not overload the diaphragm with a sudden *Applies only to 243-12 with external control line. The 243-RPC pilot-operated regulator is designed for fixed factoring, pressure factor measurement, pressure compensated metering and other applications requiring exceptionally precise pressure control. Services. 243-12-4 Regulator with Low Pressure Cut-Off (LPCO) 243-8-4 243-12-6 Regulator with both IRV and LPCO 243-8-6 High Pressure Regulator Pressure Loaded Regulator 243-8HP 243-8PL For additional information on IRV refer to page 4. Technical Documentation: Sensus Model 243 Gas Pressure Regulator. Description. Caution: Turn gas on slowly. Versatile 243 is used for all kinds of gas fueled equipment such as boilers, burners, furnaces, ovens, heaters, kilns, air Sensus 243-12-2, 2"FLDG gas pressure regulator with IRV for natural gas and LP (propane) gas. Hydro Turbines. Buy Now. Mark or measure the position of adjustment 2. Both models incorporate soft-seat valve material, plus a precision-machined “knife edge” orifice for a positive, tight shutoff. Special material available for certain corrosive gases. 65 psia – 60°F) No category . pdf), Text File (. Sensus 30 Degree Valve Pocket for 243-12 and 243-8 Regulators. Sensus 243-8-2, 1-1/4"NPT gas pressure regulator with IRV for natural gas and LP (propane) gas. 1-1/2"NPT Cast Iron Body 3/8"-10° Orifice / Valve Cadmium spring Outlet Range 3-6. Sensus Service Regulators Model 143-80 - Installation and Maintenance Instructions Gas Regulators Sensus {Rockwell-Equimeter} Sensus Series 243 Gas Regulator 1-1/4" Npt with 3/4" 10 Degree Orifice Green Spring (6"-14"WC) The Sensus Model 243-12-2 2" Flanged Gas Pressure Regulator, large capacity service regulators are designed and built for commercial, industrial, and gas distribution work. They are ideal for pressure factor measurement, pressure compensated metering, fixed-factor billing and more. 3/4" Orifice is included, other sizes available, sold seperately. 2"NPT Cast Iron Body 3/4"-30° Orifice / Valve White spring Outlet Range 12-28"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys 1/4" NPT Vent Installation manual. 415 Diaphragm Meter. 2"NPT Cast Iron Body 3/4"-30° Orifice / Valve Green spring Outlet Range 6-14"WC OTHER ORIFICE & SPRINGS AVAILABLE Positive dead-end lockup regulator Formerly Rockwell, Equimeter, Invensys Screened Vent 1"NPT Available Pipe Sizes: 1-1/4″, 1″ and 3/4″ NPT. Sensus 243-12-1, 2"NPT gas pressure regulator for natural gas and LP (propane) gas. All Parts Backed by a One Year Manufacturer Warranty. T. Sensus ® Smart Gateway Sensor Interface. The 243-RPC is made for fixed factoring, pressure factor measurement, pressure compensated metering and other applications Sensus 243-12-2, 2"NPT gas pressure regulator with IRV for natural gas and LP (propane) gas. Ensure all pipe joints are tight. Gas Infusion Systems. Valve Body: Cast Iron – up to 125 psig working pressure. Enable high contrast mode. These regulators provide an unbeatable combination of capacity, performance, and 243 Technical manual. Both the 121 and 122 are highly functional regulators that feature die-cast diaphragm cases and cast iron bodies. Instructions. Installation and Start up (See illustrations on Sensus Pilot Operated Regulators 243 RPC, 243 RPC-A and 243 RPC-B. 121 and 122 Industrial Combustion Regulators. Monitor the outlet pressure during . Part# 143-16-021-07 Downloads 243 Technical manual Installation manual. The Sensus 121 and 122 regulators are industrial combustion regulators. PART NO A load limiting regulator should be used where outlet pressure is below 1 psi and inlet pressure exceeds 40 psi. Sensus Regulator Body for 243-8 and 243-12 Regulators. CAUTION Turn gas on slowly. Sensus model 121-12, 2"NPT gas pressure regulator for natural gas, LP (propane) gas and other non-corrosive gases. regulator and vacuum breaker. Make sure the regulator is connected correctly and pipe joints are tight. Internal control is standard with external control also available. It also provides higher inlet pressure, more accurate performance and faster response, with Complete as per steps 8, 9, and 10 under “To Assemble 461-57S”. 02. Temperature Limits The Model 122 Regulator can be used for flowing temperatures from -20°F. Replace bottom inspection plate 14 (with double seat valve, To Service Diaphragm engage pin in 13 with slot in lower end of 12j, then rotate 14 until holes line up to install cap screws 16). Part Number 1190646. 243-8-2 Manual; 243-8-2 Spec Sheet; Manufacturer Info The 243-RPC and 243-RPC-A will hold outlet pressure to within ±0. Manuals and User Guides for Sensus 243-12-6. Large capacity Service Regulators are designed and built for commercial, industrial, and gas distribution work. Page 6 Installation and Maintenance Instructions Model 461-S, 461-8S, and 461-12S Natural Gas Regulators with Large Capacity for Big Performance. The 046 model high pressure gas regulator is easy to install, adjust, inspect, and service in all piping File-Sensus Model 243 Regulator - Free download as PDF File (. 243 commercial industrial service regulators are large capacity and designed for a wide range of commercial, industrial and gas distribution applications. 20. Sensus 243-8-2, 2"NPT gas pressure regulator with IRV for natural gas and LP (propane) gas. Sensus Orifices for 243-12 & 243-8 Regulators. External sensing pressure control. Their smart design offers great field versatility. Our Brands. 1-1/2"NPT Cast Iron Body 1. Be sure it nests correctly into part 11b. The streamline body passages provide large capacity. Standard Regular. If an outlet stop valve is used, it should surge of inlet pressure. On the 243-8HP, remove cap (1a), loosen locknut and turn adjustment screw (1b). Parts & Supplies. Contoured body passages reduce turbulence in gas flow. Database contains 1 Sensus 122-12 Manuals (available for free online viewing or downloading in PDF): Installation and maintenance instructions manual . Use of this principle results in exceptionally precise regulation. kayuepbwxntznkmnzzmq