Pressure Gauges
| Description | Max. Operating
Pressure | Test Frequency |
| Instrument Air to Air Filter Impulse | 0.6 Mpa | 06 months |
| 3rd Stage Discharge Pressure | 0.8 Mpa | 06 months |
| Vacuum gauge at 20 tpd FAC | 2 inch H2O | 06 months |
| Motor Bearing Oil Pressure | 7 psi | 06 months |
| PI – 1202 MS 1201 Outlet Pressure | 1 Mpa | 06 months |
| PI – 1204 MS 1202 Outlet Pressure | 1 Mpa | 06 months |
| PI – 101 Air into H/E | 0.85 Mpa | 06 months |
| PI – 3 Air out of H/E | 0.8 Mpa | 06 months |
| PI – 4 Air into Expansion | 0.95 Mpa | 06 months |
| PI – 5 Air out of Expansion | 0.022 Mpa | 06 months |
| PIA – 2 Bottom Pressure of Upper Column | 0.06 Mpa | 06 months |
| PIA – 1 Lower Column Pressure | 0.56 Mpa | 06 months |
| PI – 401 Booster Inlet Pressure | 0.9 Mpa | 06 months |
| PIAS – 402 Booster Outlet Pressure | 1.1 Mpa | 06 months |
| PI – 404 Expansion Inlet Pressure | 1 Mpa | 06 months |
| PI – 201 Instrument Air | 0.6 Mpa | 06 months |
| PI – 406 Expansion Gap Pressure | 0.4 Mpa | 06 months |
| PIAS – 407 Seal Gas of Booster Side | 0.46 Mpa | 06 months |
| PIAS – 408 Seal Gas of Turbine Side | 0.46 Mpa | 06 months |
| PIAS – 409 Oil Supply of Turbine Unit | 0.3 Mpa | 06 months |
| Spare | 06 months | |
| Instrument Air Filter Downstream V 204 | 0.65 Mpa | 06 months |
| PI – 202Air Bypass N2 Line | 0.03 Mpa | 06 months |
| PI – 15 Cold Box | 1.2 Kpa | 06 months |
| Oil Spray Pressure -NH3 Chiller #1 | 1.55 Mpa | 06 months |
| Exhaust Pressure – NH3 Chiller #1 | 1.5 Mpa | 06 months |
| Suction Pressure – NH3 Chiller#1 | 0.15 Mpa | 06 months |
| Oil Spray Pressure -NH3 Chiller #2 | 1.55 Mpa | 06 months |
| Exhaust Pressure – NH3 Chiller #2 | 0.15 Mpa | 06 months |
| Suction Pressure – NH3 Chiller#2 | 0.15 Mpa | 06 months |
| Delivery Pressure, Vertical Condenser | 25 psi | 06 months |
| Suction Pressure – Freon Chiller#1 | 100 psi | 06 months |
| Discharge Pressure – Freon Chiller#1 | 300 psi | 06 months |
| Suction Pressure – Freon Chiller#2 | 100 psi | 06 months |
| Discharge Pressure – Freon Chiller#2 | 300 psi | 06 months |
| Delivery Pressure -Chilled Water Pressure Pump F/C | 50 psi | 06 months |
| Condenser Cooling Water-F/C | 50 psi | 06 months |
| Air into Post MS After Cooler | 150 psi | 06 months |
| Inlet Pressure MS – 1201 | 1.010 Mpa | 06 months |
| Inlet Pressure MS – 1202 | 1.010 Mpa | 06 months |
| Pressure Regulator, MS Bed instrument Air Pressure | 0.6 Mpa | 06 months |
| Instrument Air to Air Compressor Inlet Valve | 06 months | |
| Instrument Air to Air Compressor Inlet Valve | 06 months | |
| Instrument Air to Air Compressor Inlet Valve | 06 months |
Pressure Gauges 1
| Description | Max. Operating
Pressure |
| Instrument Air to V – 407 | |
| Instrument Air to V – 407 | |
| Instrument Air Regulator to V – 1 | |
| Instrument Air to V – 1 | |
| Instrument Air to TBX | |
| Instrument Air to TBX | |
| Instrument Air to TBX | |
| Instrument Air to TBX | |
| Instrument Air to TBX | |
| Instrument Air to Bed Valve V – 1205 | |
| Instrument Air to Bed Valve V – 1206 | |
| Instrument Air to Bed Valve V – 1207 | |
| Instrument Air to Bed Valve V – 1210 | |
| Instrument Air to Bed Valve V – 1210 | |
| Instrument Air to Bed Valve V – 1210 | |
| PG – 20 TPD B/T | 175 psi |
| DPG – 20 TPD B/T | 448 cm w/c |
| PG – 20 TPD H/T | 5 bar |
| DPG 20 TPD H/T | 31 cm w/c |
| PG – RVT 27 | 17 bar |
| DPG – RVT 27 | 100 cm w/c |
| PG – 20 TPD B/T Transfer Pump Delivery Press | 60 psi |
| PG – 20 TPD H/T to Tanker Filling Pump Del. Press. | 60 psi |
| Instrument Air Reservoir | 8 kgf/cm2 |
| R/O System Inlet | 60 psig |
| R/O Filter #1 Outlet | 60 psig |
| R/O Filter #2 Outlet | 60 psig |
| R/O Pump Pressure | 180 psig |
| R/O Concentrate Pressure | Min 150 psig |
| R/O Pump #1 Delivery Pressure | 180 psig |
| R/O pump #2 Delivery Pressure | 180 psig |
| DPG -ASPEN B/T | 385 cm water |
| PG – ASPEN B/T | 175 psig |
| ASPEN B/T Transfer Pump | 55 paig |
| PG – ASPEN INOX Nitrogen Tank | 15 kgf/cm2 |
| DPG – ASPEN INOX Nitrogen Tank | 4250 mm w/c |
| PG – H/T | 4.8 bar |
| DPG – H/T | 265 cm H2O |
| PG – C 21 | 17 bar |
| DPG – C 21 | 100% |
| PG – RVT 21 | 14.5 bar |
| DPG – RVT 21 | 100% |
| LOX Transfer Pump to Tanker | 55 psig |
Pressure Gauges 2
| Description | Max. Operating
Pressure | Test Frequency |
| LOX Transfer Pump to Compressing Station | 4300 psi | 06 months |
| LN Transfer Pump to Compressing Station | 2200 psi | 06 months |
| AIT 300 analyzer PI – 318 back Pr. Gauge CRM | 06 months | |
| RC Suction Pressure gauge inside ASPEN CRM | Min 20 cm WC | 06 months |
| FAC Seal Gas | 12 psi | 06 months |
| FAC Inlet Valve | 70 psi | 06 months |
| FAC Bypass Valve | 70 psi | 06 months |
| RC – 1 Seal Gas | 12 psi | 06 months |
| RC – 1 Inlet Valve | 70 psi | 06 months |
| Spare | 06 months | |
| RC – 1 Bypass Valve | 70 psi | 06 months |
| RC – 2 Seal Gas | 12 psi | 06 months |
| RC – 2 Inlet Valve | 70 psi | 06 months |
| RC – 2 Bypass Valve | 70 psi | 06 months |
| DPI – 101 Air Filter Differential Pressure | 2 Kpa | 06 months |
| PI – 300 Air Pressure Before Bed | 550 Kpa | 06 months |
| PG Main Instrument Air Line | 7.0 kgf/cm2 | 06 months |
| PI – 315 RC Suction Pressure | 20 cm H2O min | 06 months |
| RC – Discharge Pressure PI – 310 | 700 Kpa | 06 months |
| Instrument Air/N2 Flow Regulator | 1 gkf/cm2 | 06 months |
| N2 Purity analyzer PI – 508 | 15 psi | 06 months |
| Overhead O2 Analyzer PI – 302 | 15 psi | 06 months |
| Supply to TBX I/P PI – 009 | 20 psi | 06 months |
| WTBX Seal Gas Pressure PI – 002 | 472 Kpa / 68 psi | 06 months |
| CTBX Seal Gas Pressure PI – 001 | 345Kpa / 51 psi | 06 months |
| Reflux from WTBX to O2 Column FI – 325 | 10 Kpa | 06 months |
| Air to Plant Flow FI – 308 | 12.5 Kpa | 06 months |
| DP across Dust Filter PDI – 306 | 5.5 Kpa | 06 months |
| Air to Plant Pressure PI – 306 | 480 psi | 06 months |
| TBX Lube Oil Pressure PI – 912 | 420 Kpa | 06 months |
| TBX Oil Filter Differential Pressure PI – 910 | 4 Kpa | 06 months |
| Bed A Pressure PI – 332 | 490 Kpa | 06 months |
| Bed B Pressure PI – 314 | 490 Kpa | 06 months |
| H/T Chiller Suction Pressure | 55 psi | 06 months |
| H/T Chiller Discharge Pressure | 220 psi | 06 months |
| M/T RU Suction Pressure | 5 psi | 06 months |
| M/T RU Discharge Pressure | 250 psi | 06 months |
| L/T RU Suction Pressure | 10 inch Hg vac | 06 months |
| L/T RU Discharge Pressure | 225 psi | 06 months |
| ASPEN C/L Pump Discharge Pressure PI – 101 | 35 psi | 06 months |
| PFHE to ASPEN C/L Pump PI – 102 | 06 months | |
| PFHE to ASPEN C/T PI – 103 | 06 months | |
| ASPEN to PFHE PI – 104 | 06 months | |
| O/L Pump to PFHE PI – 105 | 30 psi | 06 months |
| ALFALAVAL HE to C/L Pump | 06 months |
Pressure Gauges 3
| Description | Max. Operating
Pressure | Test Frequency |
| O/L Pump to ALFALAVAL HE | 06 months | |
| ALFALAVAL HE to Cooling Tower | 06 months | |
| ASPEN to ALFALAVAL HE | 06 months | |
| 20 TPD Hot Well Pump Discharge Pressure | 10 psi | 06 months |
| 20 TPD Cold Well pump Discharge Pressure | 20 psi | 06 months |
| Generator Pump Discharge Pressure | 60 psi | 06 months |
| R/O Pump Discharge Pressure | 50 psi | 06 months |
| O2 Filling Rack Main | 2400 psi | 06 months |
| O2 Filling Rack ABC | 2300 psi | 06 months |
| O2 Filling Rack DEF | 2300 psi | 06 months |
| N2 Filling Rack Main | 2300 psi | 06 months |
| N2 Filling Rack A | 2300 psi | 06 months |
| N2 Filling Rack B | 2300 psi | 06 months |
| Proof Test M/C -1 | 3300 psi | 06 months |
| Proof Test M/C – 2 | 3300 psi | 06 months |
| Hydraulic Test M/C – 1 | 3300 psi | 06 months |
| Hydraulic Test M/C – 1 lubricator | 80 psi | 06 months |
| Air Compressor at Test Shop | 2.5 kg/cm2 | 06 months |
| Devalving m/c#01 | 50 psi | 06 months |
| Devalving m/c#02 | 50 psi | 06 months |
| Gen # 1 Cooling Water Inlet PG | 55 psi | 06 months |
| Gen # 1 Cooling Water Outlet PG | 55 psi | 06 months |
| Gen # 1 Manifold Pressure | 0 inch Hg | 06 months |
| Gen # 1 Lube Oil Pressure PG | Min 40 psi | 06 months |
| Gen # 1 Gas Inlet PG | Min 22 psi | 06 months |
| Gen # 2 Cooling Water Inlet PG | 55 psi | 06 months |
| Gen # 2 Manifold Pressure | 0 inch Hg | 06 months |
| Gen # 2 Lube Oil Pressure PG | Min 40 psi | 06 months |
| Gen # 2 Gas Inlet PG | 22 psi | 06 months |
| Gen # 3 Cooling Water Inlet PG | 75 psi | 06 months |
| Gen # 3 Manifold Pressure | 0 inch Hg | 06 months |
| Gen # 3 Lube Oil Pressure PG | Min 40 psi | 06 months |
| Gen # 3 Gas Inlet PG | 22 psi | 06 months |
| Gen # 4 Cooling Water Inlet PG | 75 psi | 06 months |
| Gen # 4 Manifold Pressure | 0 inch Hg | 06 months |
| Gen # 4 Lube Oil Pressure PG | Min 40 psi | 06 months |
| Gen # 4 Gas Inlet PG | 22 psi | 06 months |
| Birm Filter PV – 1016 Inlet | 40 Psi | 06 months |
| Sand Filter PV – 1017 Inlet | 40 Psi | 06 months |
| Sand Filter PV – 1018 Inlet | 40 Psi | 06 months |
| BGSL upstream | 150 psi | 06 months |
| BGSL downstream | Min 22 psi | 06 months |