Emerson 133 Series Second-Stage Regulators- Manuals

Page 2 - Specifications; Principle of Operation

133 Series 2 Specifications The Specifications section lists the specifications for the Type 133 Series direct-operated regulators. Factory specification is stamped on the nameplate fastened on the regulator at the factory. 1. The pressure/temperature limits in this Instruction Manual or any applica...

Page 3 - Boosting System; Installation

133 Series 3 Figure 2. Operational Schematic of Type 133L Regulator (Also Typical of Type 133H) A6555 downstream system. Decreased demand increases the downstream pressure and moves the diaphragm and stem assembly up, closing the valve disk, and decreasing the gas supply to the downstream system. Bo...

Page 4 - Overpressure Protection; Downstream Control Line; • For Type 133HP; Startup; WARNING

133 Series 4 Figure 3. Operational Schematic of Type 133HP If the regulator has threaded end connections, coat external threads with pipe compound. For flanged end connections, tighten the flange bolts evenly. Install a three valve bypass around the 133 Series if continuous operation is necessary. T...

Page 5 - the adjustment procedures.; Adjustment

133 Series 5 Table 1. 133 Series Outlet Pressure Ranges, Control Springs Table 2. Maximum Inlet and Outlet Pressures TYPE OUTLET PRESSURE RANGE CONTROL SPRINGS Part Number Color Code Free Length Wire Diameter Inch mm Inch mm psig bar 133H (1) 1.5 to 3 2 to 5 5 to 10 0.10 to 0.21 0.14 to 0.34 0.34 to...

Page 6 - Shutdown; without fi rst isolating the regulator from; Disassembly; CAUTION

133 Series 6 Figure 4. Spring Case Inserted in Body for Disassembly. Note Proper Method of Holding Stem and Sleeve When Loosening or Tightening Stem Nut. W1390/IL stamped on the nameplate (key 38, not shown), located on the casing fl ange. If the required pressure setting is not within the range of ...

Page 7 - To avoid personal injury due to the

133 Series 7 W1372/IL Figure 5. Inspecting Guide Bushing and Stem Seal O-ring W1371/IL Figure 6. Installing Balancing Diaphragm. The Side of Diaphragm Marked Piston Side Must Face Casing. rotation and diaphragm (key 15) and balancing diaphragm (key 22) damage due to twisting (see Figure 4). 5. Remov...

Page 8 - Reassembly; flats when loosening or tightening the; without first isolating the regulator from

133 Series 8 Reassembly Reassemble in reverse order of the above steps. When reassembling, observe the following steps and cautions. 1. If the spring case was disassembled, reassemble it first. To ensure proper slack in the diaphragm (key 15) and to facilitate reassembly of the trim parts, tighten t...

Page 9 - and remove the roll pin (key 27) from the stem; • To avoid personal injury due to the; To inspect or replace the upper stem seal O-ring

133 Series 9 18 20 13 61 PROTECT THE O-RING SURFACE FROM DAMAGE 3/4-inch / 19 mm STEM HEX 16 58 14 15 A7007 Figure 7. Stem and Diaphragm Assembly the stem (key 18). Lift off the orifi ce (key 2) and replace the valve disk and orifi ce if necessary. 5. Loosen the set screws (key 39) in the cage (key ...

Page 10 - Place the sealing diaphragm plate (key 16) on the

133 Series 10 WHEN ASSEMBLING THE ACTUATOR, THE UPPER CASING AND ADAPTOR SHOULD BE POSITIONED SO THAT TWO HOLES IN THE 5.25-inch / 133 mm BOLT HOLE CIRCLE ARE EQUALLY SPACED OVER THE CONTROL CONNECTION A7009/IL Figure 9. Diaphragm Casing Assembly 1. With the Type 133HP completely disassembled, start...

Page 11 - Parts Ordering

133 Series 11 bolt circle in the mounting plate adaptor (key 56) must be spaced (aligned) an equal distance over the downstream control line connection. Install cap screws and hex nuts (keys 35 and 36) with a torque of 20 to 30 foot-pounds / 27 to 41 N•m. 7. Place the balancing plate washer (key 23)...