Disclosed herein is an invention related to a gas cylinder safety valve. The disclosed gas cylinder safety valve includes a valve part configured to discharge gas with which a main body is filled and a gas blocking part disposed in the valve part and configured to block a gas flow path in accordance with a pressure inside the main body, wherein the gas blocking part includes a blocking operation part disposed in the valve part, a blocking pin member disposed to be slidable in the blocking operation part and configured to selectively block the gas flow path, and a separation preventing cap coupled to the blocking operation part and configured to prevent separation of the blocking pin member.

The disclosure discloses an automatic gas cylinder filling device and an operating method thereof, includes a stand, an electronic scale, a PLC control unit, and a vacuum pump installed on an inner bottom plate of the stand. One side of the stand is provided with an 8-bottle gas cylinder rotating and weighing mechanism, a gas cylinder fixing mechanism, a gas cylinder filling fixture, a lifting frame and a bottle valve hand wheel switch mechanism that are arranged in sequence from bottom to top. The electronic scale is located below the 8-bottle gas cylinder rotating and weighing mechanism. The disclosure is used for filling gas cylinders, wherein the weighing, the fixing of the bottle valve and the rotation of the hand wheel are all automatically controlled and operated by the PLC control unit, and there is no need for operator to stay with the facility. The operation can be completed through operating the PLC control unit in the operation room, thereby preventing the filling personnel from being exposed to danger and harmed during the gas filling process. Meanwhile, the gas filling efficiency is greatly improved, the accuracy of the weighing is also ensured, and the proportion of each gas is highly accurate.

A system for delivering a flow of pressurized gas including a canister for receiving a pressurized gas, the canister including a lateral wall defining an internal cavity, an open top end formed by the lateral wall and in fluid communication with the internal cavity, and a pierceable wall integrally formed with the lateral wall distal to the open top end, wherein the pierceable wall is a low puncture force pierceable wall. The system further includes a piercing member movable between a first position spaced from the canister and a second position piercing the pierceable wall of the canister.

A high-pressure vessel includes: a body portion formed in an open cylindrical shape; a cap, at least a part of the cap being inserted inside an opening of at least one end portion of the body portion to thereby plug the end portion; a first reinforcement layer provided at an outer peripheral surface of the body portion and configured by fiber-reinforced plastic having a fiber direction that coincides with a circumferential direction of the body portion; and a second reinforcement layer configured by fiber-reinforced plastic including fibers that pass through a center portion of the cap, as seen in the axial direction of the body portion, and that are disposed parallel to the axial direction of the body portion, as seen in a direction orthogonal to the axial direction of the body portion.

A precast, prestressed concrete tank and method that facilitates construction of a primary inner tank within a secondary outer tank, and which permits for the construction of the primary inner tank after the secondary outer tank has been erected, but without requiring insertion through a top of the secondary outer tank, or by tunneling underneath the secondary outer tank, is disclosed. The primary inner tank has an inner wall and the secondary outer tank has an outer wall (precast, prestressed concrete) and wire windings. The primary inner tank is disposed inside of the secondary outer tank. The secondary outer tank has a plurality of first precast outer wall panels, and a temporary construction opening frame. The temporary construction opening frame defines an access doorway during construction of the tank. The temporary construction opening frame is disposed on a foundation base slab.

A precast, prestressed concrete tank and method that facilitates construction of a primary inner tank within a secondary outer tank, and which permits for the construction of the primary inner tank after the secondary outer tank has been erected, but without requiring insertion through a top of the secondary outer tank, or by tunneling underneath the secondary outer tank, is disclosed. The primary inner tank has an inner wall and the secondary outer tank has an outer wall (precast, prestressed concrete) and wire windings. The primary inner tank is disposed inside of the secondary outer tank. The secondary outer tank has a plurality of first precast outer wall panels, and a temporary construction opening frame. The temporary construction opening frame defines an access doorway during construction of the tank. The temporary construction opening frame is disposed on a foundation base slab.

There is provided an energy storage pressure vessel for a hydrogen vehicle. The energy storage pressure vessel comprises a pressure vessel for containing hydrogen gas for fuel cells of the hydrogen vehicle. The pressure vessel is radially surrounded by a membrane. The energy storage pressure vessel comprises an energy storage system. The energy storage system is provided in the membrane.

A pressure vessel disclosed herein comprises a chamber. The pressure vessel also comprises a passageway extending from an exterior wall of the pressure vessel to the chamber. A one-way valve is disposed in the passageway. The one-way valve is normally closed and is in fluid communication with the chamber. A plug is disposed within the passageway and is accessible from outside of the pressure vessel.

The cartridge includes a body containing the air and a head closing the body. There is a filling channel, which connects the outside of the cartridge to the body and which includes a filling non-return valve preventing the air from exiting the body. The head includes an inflation channel, which connects the filling channel to the body and includes an inflation non-return valve preventing the air from exiting the body. An inflation organ is movably mounted on the inflation channel to permit opening of the inflation non-return valve.

A novel and improved inventive valve with a regulating function is provided that is capable of filling to higher fill pressures than previously attainable with conventional C-10 on-off valves. The valve contains a single flow passageway by which gas dispenses and enters the valve. A fill adapter is specially configured to engage the valve to allow filling at the higher pressures along the single flow passageway. The structure of the valve allows greater utilization of cylinder capacity; simplifies filling and dispensing with the single flow passageway; and allows for regulating gas pressure during delivery without increasing the overall size of the cylinder package.