54 articles

• Impact of Wildfire Smoke on Air Intake Filters and Gas Turbine Performance
  Published : 2026-10-20 14:43:57 | Categories : HVAC

  Understand the impact of wildfire smoke on gas turbine air intake filters—ranging from particle accumulation and pressure drop to a decline in engine performance.

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• Sewage Treatment Plant (STP) Construction Services
  Published : 2026-10-20 14:32:16 | Categories : Wastewater Treatment

  Discover BIOCAP STP, a compact domestic wastewater treatment system featuring anaerobic, aerobic, and MBBR technologies. Available in various capacities to suit your needs, at competitive prices.

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• Disposable G4 Pre-Filter 595 x 595 x 95 mm
  Published : 2026-10-14 16:22:07 | Categories : HVAC

  Explore Disposable G4 Pre-Filters for AHU and HVAC systems. Learn their advantages over washable filters and discover the 595 x 595 x 95 mm model from ZEFA.

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• Air Filters for the Pharmaceutical Industry
  Published : 2026-10-14 09:21:30 | Categories : HVAC

  Looking for medium air filter for the pharmaceutical industry? Discover the benefits and specifications of the F8 filter medium (dimensions: 287 × 592 × 150 mm / 12 × 24 × 6 inches).

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• STP (Sewage Treatment Plant) Equipment Installation Services
  Published : 2026-10-08 15:27:55 | Categories : Wastewater Treatment , Water Treatment

  PT Zefa Valindo Jaya provides installation services for STP equipment, including aerator pumps, submersible pumps, piping, and control panels. Free site surveys are available in the Jabodebek area.

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• How Often Should the Air Filter Be Replaced?
  Published : 2026-10-07 15:16:15 | Categories : HVAC

  Determine when air filters need replacement based on pressure drop, airflow, and physical condition. Review the signs and scheduling guidelines for pre-filters, medium filters, and HEPA filters.

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• Boiler Water pH Control with pH Adjuster
  Published : 2026-10-01 10:56:22 | Categories : Wastewater Treatment

  Low boiler water pH can increase the risk of corrosion. Identify the causes and control the boiler pH using appropriate pH-adjusting chemicals.

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• Causes and Solutions for Foul-Smelling and Pungent Wastewater Treatment Plants (
  Published : 2026-10-01 10:48:20 | Categories : Chemicals , Water Treatment

  Is your wastewater treatment plant (WWTP) emitting a foul, pungent odor? Don't be too quick to blame the bacteria! Odors are usually a sign that process conditions need to be checked. Learn about...

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• Types of HVAC and AHU Air Filters : Pre Filter, Medium, HEPA
  Published : 2026-09-21 16:08:02 | Categories : HVAC

  Familiarize yourself with the types of air filters for HVAC and AHU systems, ranging from G4 pre-filters and F7–F9 medium filters to H13–H14 HEPA filters. Understand their functions and applications..

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