graewe hose connector Germany graewe model graewe price

graewe hose connectors consist of hollow screws, combination washers, and oil pipe fittings. They utilize hollow screws to compress two combination sealing gaskets against the fitting body for sealing. This pipe fitting is a right-angle connector, characterized by the ability to freely adjust piping direction, ease of installation, and compact footprint. Operating pressure is less than 32 MPa. Pipe fittings are detachable connectors used between pipes and hydraulic components. Connection threads can be standard fine-pitch threads or tapered threads; tapered threads are commonly used in medium- and low-pressure systems, while standard fine-pitch threads are commonly used in high-pressure systems.

graewe hose connector selection

Y type three-way metal hose connector: one end connects to thin-wall steel conduit, and the other two ends connect to metal hoses. The metal fittings are die-cast from zinc alloy, with galvanized, matte, or chrome-plated surfaces. The structure is compact, pore-free, and high-strength. It provides reliable connection to metal hoses and has an aesthetic appearance. Non-standard metal hose connectors and special metal fittings can be customized. T type three-way metal hose connector: one end connects to thin-wall steel conduit, and the other two ends connect to metal hoses. The metal fittings are die-cast from zinc alloy, with galvanized, matte, or chrome-plated surfaces. The structure is compact, pore-free, and high-strength. It provides reliable connection to metal hoses and has an aesthetic appearance. 90 degree elbow connector: thread specification: after engagement with British threads, it forms a 90 degree angle with the enclosure. Made of thickened zinc alloy, it features an aesthetic appearance, compact structure, and high strength. In addition to the standard specifications below, sizes and thread standards can be customized upon request.

graewe hose connector installation

1. Cut seamless steel tube to the appropriate length and remove burrs from the port. The tube end face must be perpendicular to the axis, with an angular tolerance not exceeding 0.5°. If the tube requires bending, the straight length from the tube end to the bend must be no less than three times the nut length. 2. Slide the nut and ferrule onto the seamless steel tube. Ensure the orientation of the nut and ferrule is correct; do not install them backwards. 3. Apply lubricating oil to the threads of the pre-assembled fitting body and the ferrule. Insert the tube into the fitting body (ensure the tube is fully inserted) and hand-tighten the nut. 4. Tighten the nut until the ferrule grips the tube. This transition point can be felt by an increase in tightening torque (pressure point). 5. After reaching the pressure point, tighten the compression nut an additional 1/2 turn. 6. Remove the pre-assembled fitting body and inspect the embedding of the ferrule cutting edge. The visible raised ring must fill the space at the ferrule end face. The ferrule may rotate slightly but must not move axially. 7. For final installation, apply lubricating oil to the threads of the fitting body, engage the compression nut, and tighten until an increase in tightening torque is felt. Then tighten an additional 1/2 turn to complete the installation.

graewe hose connector cleaning

To ensure the cleanliness of the lubrication system and supply clean grease to mechanical equipment bearings, pre-installed piping must be disassembled and cleaned. Cleaning methods include kerosene cleaning and pickling. Kerosene cleaning applies to copper tubes and stainless steel tubes; steel tubes that have been pickled prior to pre-installation and are free of rust and iron oxide scale on the inner wall; and pipe fittings soiled during pre-assembly. Disassemble the tubes and fittings requiring cleaning. Wipe the inside of the tubes clean with a cloth soaked in kerosene, and soak both ends and fittings in kerosene for cleaning. Then coat the inside with machine oil or fill with grease, and seal both ends tightly pending installation. No visually detectable contaminants should remain after cleaning. Pay special attention to thoroughly cleaning weld slag from the inner walls of welded joints. During disassembly, transportation, and pickling, take care not to damage the piping, threads, or sealing surfaces. Seal openings with tape or plastic tubing. Protect threaded areas with acid-resistant materials such as plastic or rubber tape, or apply dry oil to the threads after degreasing and water rinsing before pickling to prevent acid erosion. During pickling, ensure that mating marks on the tubes do not disappear or become blurred.

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