Regulator Performance Definitions
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1 Technical data regulator technical data Regulator Performance Definitions What information can be determined from a flow curve? The following sketch explains how to interpret the flow curves presented in this catalog. Maximum Flow - A rating defined as the maximum amount a regulator can flow when the set delivery pressure approaches PSIG (vertical axis on flow curve). This point on the curve represents a blanketing operation. Rated Flow - A rating defined as 8% of the maximum flow. This point on the flow curve corresponds to typical operating conditions. Note: All regulator flow curves in the catalog have been developed using air at 7 F. To obtain flow rates for other gases, multiply flow by the correction factor in Table 1a (to the right). What is? The or the flow coefficient is a number that represents the flow capacity of a regulator for a given set of conditions. The can be used to compare flow capacity between two regulators. The higher the, the greater the flow capacity. The values listed in this catalog represent the overall of the regulator including the outlet fitting. What is pressure rise? Pressure rise is the change in set delivery pressure as a result of a drop or decay in inlet pressure. For example, the rise on a Model 25GX is expressed as.2 PSIG/1 PSIG. Regulators are measured on their ability to provide a flat delivery curve. Pressure rise can be used to explain the main advantage of two stage vs. single-stage. See pressure regulation chart What is CGA E-4? CGA E-4 is a regulator standard developed by the Industrial Gas Apparatus Committee of the Compressed Gas Association. The standard defines product safety requirements, product test requirements and performance characteristics to meet field applications. What are gas flow correction factors? Each gas has a different density and therefore flows at different rates under the same pressures and conditions. The correction factor compares their densities to air TABLE 1a. GAS correction FACTORS Carbon Dioxide.81 Propane.81 Propylene.83 Argon.85 Oxygen.95 Air 1. Nitrogen 1.2 Acetylene 1.5 Methane 1.34 Helium 2.69 Hydrogen 3.79 PRESSURE REgulation PSIG DELIVERY Single-stage Two-stage RATED FLOW Full MT CYLINDER PRESSURE MAX FLOW 162 technical data Orders:
2 ModelS 61 & 31 Model 61 All flows based on 7ºF bar Regulator Weight: 1.39 lbs./.63 kg. Pressure Rise:.43 PSIG per 1 PSIG :.8 Model 61 Single-stage Regulator 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Model Regulator Weight: 2.2 lbs./.99 kg Pressure Rise:.4 PSIG per 1 PSIG :.8 Model 31 Single-stage Regulator 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Orders: technical data 163
3 Model 25GX HVAC All flows based on 7ºF Model 25GX- High Pressure Single-stage Regulator 2 PSIG inlet PSIG inlet Model 25GX-2 High Pressure Single-stage Regulator 2 PSIG inlet 2 PSIG inlet Regulator Weight: 3.2 lbs./1.45 kg Pressure Rise:.2 PSIG per 1 PSIG : technical data Orders:
4 Models 425,29&25GX Model 425 All flows based on 7ºF Regulator Weight: 3.7 lbs. /1.67 kg. Pressure Rise:.2 PSIG per 1 PSIG :.17 Model 29 Model 425, 29 and 25GX - 2 PSIG Inlet 425, 25GX-2@ 2 PSIG inlet 25GX-145@ 2 PSIG inlet @ 2 PSIG inlet 2 PSIG inlet 425, 29, 2 PSIG inlet 425, 29, 2 PSIG inlet 2 Regulator Weight: 2.7 lbs./1.22 kg. Pressure Rise:.2 PSIG per 1 PSIG : Model 25GX Model 425, 29 and 25GX - 2 PSIG Inlet 425, 25GX-2@ 2 PSIG inlet 25GX-145@ 2 PSIG inlet @ 2 PSIG inlet 2 PSIG inlet 425, 29, 2 PSIG inlet , 29, 2 PSIG inlet " - 18 Regulator Weight: 3.2 lbs. /1.45 kg. Pressure Rise:.2 PSIG per 1 PSIG :.17 Orders: technical data 165
5 Model 2 & 4 Model 2 All flows based on 7ºF Regulator Weight: 4.6 lb /2.9 kg Pressure Rise:.3 PSIG per 1 PSIG :.17 Model 2 Single-stage Regulator 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Model Regulator Weight: 4.6 lb /2.9 kg Pressure Rise:.3 PSIG per 1 PSIG :.17 Model 4 Single-stage Regulator 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 166 technical data Orders:
6 Model 33 & 647 Model 33 All flows based on 7ºF Regulator Weight: 4.3 lb /1.95 kg. :.37 Model 647 Model 33 Liquid Cylinder Regulator 2 PSIG inlet 4 PSIG inlet 6 PSIG inlet Model 647 Single-stage Regulator - 2 PSIG Inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet @ 2 PSIG inlet 2 2 Regulator Weight: 3.8 lb /1.72 kg 1 : Model 647 Single-stage Regulator - 2 PSIG Inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet @ 2 PSIG inlet Orders: technical data 167
7 Model HP 7 All flows based on 7ºF 11 PSIG INLET 7 8 PSIG INLET 6 PSIG INLET 4 PSIG INLET 3 3 PSIG INLET 2 2 PSIG INLET FLOW SCFH (AIR) Model 7 Servo-Dome (3PSI Model) Cv=.55 Regulator Weight: 8.5 lbs. /3.85 kg. Pressure Rise:.4 on 5 psi inlet models :.55 on 3 psi inlet models pressure regulation.3 PSIG/1 PSIG on 5 psi inlet Models.5 PSIG/1 PSIG on 3 psi inlet Models 168 technical data Orders:
8 Model 87 All flows based on 7ºF PSI INLET 3 PSI INLET 2 PSI INLET 1 PSI INLET FLOW SCFH (AIR) NON-RELIEVING VALVES Regulator Weight: 5.8 lb /2.63 kg Pressure Rise: 3.3 PSIG per 1 PSIG :.8 SELF-RELIEVING VALVES Regulator Weight: 7. lb /3.17 kg. Pressure Rise: 3.3 PSIG per 1 PSIG :.8 Orders: technical data 169
9 Models 3 & 351 Model 3 All flows based on 7ºF Regulator Weight: 4.6 lbs. /2.9 kg. Pressure Rise: 1.6 PSIG per 1 PSIG :.55 For Models 334, 335, 33514, 3354, 33541, 33538, and all 351 Manifold Regulator For other Models Pressure Rise:.9 PSIG per 1 PSIG :.4 Model 351 Model 3 & 351 Regulator - 2 PSIG Inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Model 3 & 351 Regulator - 2 PSIG Inlet 2 PSIG inlet 2 PSIG inlet Regulator Weight: 5.5 lbs. /2.49 kg. Pressure Rise: 1.6 PSIG per 1 PSIG :.4 for 15 PSIG models and.55 for all other models 17 technical data Orders:
10 Models 352 & 353 All flows based on 7ºF Model Regulator Weight: 4.5 lbs. Pressure Rise:1.6 PSIG per 1 PSIG :.55 Model 352 & 353 Two Stage Regulator 7 PSIG inlet PSIG inlet 2 PSIG inlet 2 PSIG inlet 1 PSIG inlet Model 353 Regulator Weight: 4.3 lbs. Pressure Rise: 1.6 PSIG per 1 PSIG :.55 Orders: technical data 171
11 ModelS 354 & 356 All flows based on 7ºF Model Regulator Weight: 6.9 lbs. /3.13 kg. Pressure Rise: 5.5 PSIG per 1 PSIG : 1. Model 354 & 356 Two Stage Regulator 1 PSIG 2 PSIG inlet 3 PSIG inlet 4 PSIG 7 PSIG inlet Model Regulator Weight: 6.7 lbs. /3.4 lbs. Pressure Rise: 5.5 PSIG per 1 PSIG : technical data Orders:
12 Model 358 & 359 All flows based on 7ºF Model Regulator Weight: 6.9 lbs. /3.13 kg. Pressure Rise: 5.5 PSIG per 1 PSIG : 1. Model 358 & 359 Two Stage Regulator 1 PSIG 2 PSIG inlet 3 PSIG inlet 4 PSIG 7 PSIG inlet Model Regulator Weight: 6.9 lbs. /3.13 kg. Pressure Rise: 5.5 PSIG per 1 PSIG : 1. Orders: technical data 173
13 ModelS 247,447 & 547 All flows based on 7ºF Model Model 247, 447 & 547 Station/Pipeline Regulator Regulator Weight: 3.6 lbs. /1.63 kg. Pressure Rise: 1.6 PSIG per 1 PSIG :.53 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Model 447 Regulator Weight: 3.6 lbs. /1.63 kg. Pressure Rise: 1.6 PSIG per 1 PSIG :.53 Model 547 Regulator Weight: 3.6 lbs. /1.63 kg. Pressure Rise: 1.6 PSIG per 1 PSIG : technical data Orders:
14 Model 2548 All flows based on 7ºF Model 2548 Pipeline Regulator - 2 PSIG Inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Model 2548 Pipeline Regulator - 2 PSIG Inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Regulator Weight: 3.8 lbs./1.72 kg. Pressure Rise:.9 PSIG per 1 PSIG :.4 Orders: technical data 175
15 Model 2561 & 9296 All flows based on 7ºF Model Regulator Weight: 4.8 lbs. /2.18 kg. Pressure:.4 PSIG per 1 PSIG :.15 Model 9296 & 2561 Two Stage Regulator 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Model Regulator Weight: 4.8 lbs. /2.18 kg. Pressure Rise:.4 PSIG per 1 PSIG :.15 Model 9296 & 2561 Two Stage Regulator 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 176 technical data Orders:
16 Model 9296SS All flows based on 7ºF Model 9296 SS Two Stage Regulator PSIG inlet PSIG inlet PSIG inlet PSIG inlet Regulator Weight: 5.4 lbs. /2.45 kg. Pressure Rise:.4 PSIG per 1 PSIG :.15 Model 9296 SS Two Stage Regulator PSIG inlet PSIG inlet PSIG inlet PSIG inlet Orders: technical data 177
17 Model 92 All flows based on 7ºF Model 92 Two Stage Regulator - 2 PSIG Inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Model 92 Two Stage Regulator - 2 PSIG Inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet 2 PSIG inlet Regulator Weight: 6.8 lbs. /13.8 kg Pressure Rise:.5 PSIG per 1 PSIG :.53 For fuel gas Models (P/N:33221, and ) FOR OTHER ModelS Regulator Weight:6.8 lbs. / 13.8 kg. Pressure Rise:.3 PSIG per 1 PSIG : technical data Orders:
18 Model 9235 & HP 75 All flows based on 7ºF Regulator Weight: 6.9 lbs. /3.13 kg. Pressure Rise:.5 PSIG per 1 PSIG :.4 Model 9235 Two Stage Regulator 2 PSIG inlet PSIG inlet Model HP Model HP75 Two Stage Regulator HP 2 PSIG inlet HP 2 PSIG inlet Regulator Weight: 6.8 lbs. / 13.8 kg. Pressure Rise:.9 PSIG per 1 PSIG :.15 Orders: technical data 179
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