PH hose connector Germany PH model PH price

PH hose connectors are high-quality flexible pipes in modern industrial piping systems. They mainly consist of bellows, braided mesh, and fittings. The inner tube is a thin-walled stainless steel bellows with a spiral or annular shape. The outer braided mesh of the bellows is woven from stainless steel wire or steel strip according to specific parameters. The fittings or flanges at both ends of the hose match the fittings or flanges of the customer's pipeline. The bellows of the hose are formed by high-precision plastic processing of ultra-thin-walled seamless or welded stainless steel pipes. The elastic characteristics of the bellows profile give the hose good flexibility and fatigue resistance, allowing it to easily absorb cyclic loads from various motion deformations, especially compensating for large displacements in piping systems. Media visualization, process automation.

PH hose connector manufacturing key points

Stainless steel elbows, 1. When using welding rods, keep them dry. Calcium-titanium type rods should be dried at 150℃ for 1 hour, and low-hydrogen type rods should be dried at 200-250℃ for 1 hours (do not repeat drying multiple times, otherwise the coating may crack and peel). Prevent the welding rod coating from sticking to oil and other dirt to avoid increasing carbon content in the weld and affecting weld quality. During elbow welding, repeated heating precipitates carbides, reducing corrosion resistance and mechanical properties. Post-weld hardening is significant, making cracks likely. If using similar types of welding rods, preheating above 300℃ and slow cooling after welding at around 700℃ are required. If post-weld heat treatment is not possible, use chromium-nickel stainless steel welding rods. 2. To improve the corrosion resistance and weldability of stainless steel elbows, appropriate amounts of stabilizing elements such as Ti, Nb, and Mo are added, resulting in better weldability. When using similar chromium stainless steel welding rods, preheating above 200℃ and tempering after welding at around 800℃ are required. If heat treatment is not possible, use chromium-nickel stainless steel welding rods.

PH hose connector examples

Geka coupling. Application: "Geka" couplings are specifically designed for low-pressure water pipes, serving as quick-connect fittings for garden and irrigation spray hoses. Structure: "Geka" quick-connect couplings have no male/female distinction, consisting of left and right completely symmetrical "claw" structures. Sealing relies on rubber gaskets. The serrated tail design greatly increases friction with the water pipe, offering simple and durable design. Pull-type coupling. Application: Designed and manufactured according to US military standards, suitable for quick connection of various fluid soft and hard hoses, composed of internal/external threads and male/female components. Wide material selection includes reinforced aluminum alloy, copper alloy, stainless steel, nylon plastic, etc., widely used in petrochemical and chemical transport fields. Structure: Pull-type quick-connect couplings consist of male and female parts. The male part has an arc shape to fit into the female part, which has a gasket at the bottom. Sealing is formed by squeezing the male part onto the gasket by lifting or pressing handles located on both sides of the female part (small sizes have a handle on only one side). Tanker truck. Application: Quick-connect fittings, threaded connectors, and clamps for tanker trucks and container vehicles developed entirely according to the German DIN series. Used at the end of tanker oil delivery pipes. Due to their simple and rapid operation design and zero-leakage stability, tanker truck series couplings have been popular in the European market for over fifty to sixty years. Instrumentation quick-connect couplings. Leak-free O-ring seals can be used in vacuum and pressure systems and are interchangeable with others. Push-to-connect design ensures quick and easy operation, while large-area locking devices ensure firmer gripping of the pipe stem. Full-flow quick-connect couplings. Maximum working pressure 414 bar (6000 psig). Made of stainless steel, carbon steel, and brass. Smooth, open internal cavity with no valves at either end minimizes pressure drop and facilitates cleaning.

PH hose connector selection

Metal hose connectors are widely used in industrial piping systems and are also a type of high-quality flexible pipe. They mainly consist of bellows, braided mesh, and fittings, featuring novel structure, stable performance, and high reliability. 1. Installation shape and dimensions: Determine the model and material of the quick-connect fitting, and specify the assembly shape and dimensions corresponding to the piping characteristics. 2. Operating environment of the quick-connect hose fitting: Consider the humidity, dust conditions, and potential corrosion in the operating environment to select the type of quick-connect fitting, body material, and sealing material. 3. Fluid pressure: Fluid pressure is also a key factor in selecting quick-connect fittings. 4. Automatic shut-off valve structure: Valve structures include two-way shut-off, one-way shut-off, and two-way open types. 5. Fluid type and temperature: Suitable body and sealing materials vary depending on the fluid. For steel, iron is recommended; for water, choose brass or stainless steel. Note that except for two-way shut-off types, fluid will flow out from the piping during disconnection.

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