The PGFM series flow meter airtightness test bench is designed and developed in accordance with industry standards to test the airtight integrity of flow meter housings.
The equipment utilizes custom-designed clamping tooling to secure and seal the flow meter housing. Subsequently, an internal gas booster system—independently developed by Shandong Hengrong—pressurizes the interior of the housing; once the target test pressure is reached, the airtightness test is performed (including options for immersion testing).
PGFM Series Flowmeter Housing Air Tightness Test Bench Selection Table
| Model | Pressure Ratio | Applicable Flowmeter Diameter (mm) | Minimum Set Pressure | Maximum Pressure | Control Mode (Multiple Selection) | |||
|---|---|---|---|---|---|---|---|---|
| 1# Liquid Clamping Station | 2# Gas Clamping Station | Water Immersion Test | Automatic Feeding | |||||
| PGFM-6M | 10:1 | DN25-DN200 (DN300 Optional) |
0.6 MPa | 6 MPa | 20T / 30T / 40T 50T / 80T |
1T / 2T / 3T | Optional | Optional |
| PGFM-10M | 16:1 | DN25-DN200 (DN300 Optional) |
1 MPa | 10 MPa | 20T / 30T / 40T 50T / 80T |
1T / 2T / 3T | Optional | Optional |
| PGFM-20M | 25:1 | DN25-DN200 (DN300 Optional) |
2 MPa | 20 MPa | 20T / 30T / 40T 50T / 80T |
1T / 2T / 3T | Optional | Optional |
Key Functions and Features:
-Utilizes a proprietary gas booster pump or electric/hydraulic-driven booster (developed by Shandong Hengrong) as the pressure source, ensuring rapid pressure buildup and stable pressure output.
-Incorporates US-based NI software, featuring dynamic display and automatic recording/saving of test data and waveforms, facilitating easy data retrieval and printing.
-Automatically stops and triggers an alarm in the event of leakage or over-pressure; an emergency stop button allows for immediate shutdown and automatic pressure release during critical situations.
-Constructed with stainless steel valves, fittings, and connectors to ensure pressure ratings, safety, and reliability, while remaining compatible with a wide range of gas media.
Supports the optional installation of cameras for remote, real-time monitoring of the testing process (custom design available upon request).
Why Choose Hengrong Testing Equipment?
Shandong Hengrong Automation Equipment Co., Ltd. specializes in the research, development, and manufacturing of professional pressure testing, calibration, and automation equipment.
With advanced pressure control technology and customized engineering capabilities, Hengrong provides reliable testing solutions for global instrument manufacturers.

