The GLY-150 American standard foot-operated dip hatch is a specialized measuring hatch installed on the top of storage tanks, designed and manufactured in strict accordance with American standards (ANSI/API) . It features a foot‑operated opening mechanism that allows the operator to step on a pedal to automatically open the cover for measuring liquid level, temperature, and taking oil samples. The device includes a dipping guide tube, an elastic sealing structure, and a dust cover to effectively prevent vapor leakage and ingress of external contaminants. Its core purpose is to provide a convenient, safe, and American standard‑compliant access for liquid level measurement and sampling of storage tanks in industries such as petroleum, chemical, oil depots, and gas stations, reducing operator labor intensity while minimizing vapor loss and safety hazards

Product Drawing of GLY-150 American standard foot-operated gauging hatch         Rotary gauging hatch

characteristic

1. American standard design for reliable compliance: Meets API and ANSI requirements, with flange dimensions, sealing types, and face‑to‑face dimensions fully compatible with international practice.

2. Foot‑operated for labor‑saving convenience: The cover is opened by stepping on a pedal, eliminating the need for manual lifting and allowing operators to use both hands for measurement, significantly reducing labor intensity.

3. Reliable sealing with zero leakage: The cover and seat are equipped with oil‑resistant rubber or fluororubber sealing rings, providing zero leakage when closed, effectively preventing vapor loss and ingress of external contaminants.

4. Guide tube design for accurate measurement: An internal dipping guide tube ensures that the dip tape or sampling tube enters the tank vertically, guaranteeing accurate measuring points and avoiding sticking.

5. Dust and rain protection structure: The top features a dust‑proof flip cover to prevent rain, dust, and debris from falling into the hatch, suitable for harsh outdoor environments.

6. Corrosion‑resistant materials: The housing is made of aluminum alloy, cast steel, or stainless steel; seals are made of oil‑resistant rubber or fluororubber, suitable for various media such as oil products and chemical solvents.

7. Safe operation with optional lock: An optional locking device prevents unauthorized access, enhancing tank farm safety.

8. Easy installation and maintenance: Standard American standard flange connection for direct mounting to tank flanges; foot mechanism and seals are easy to replace, keeping maintenance simple.