Shandong Stainless Steel Pipe Co., Ltd. introduced thin-walled stainless steel pipe groove clamp connection steps.
First, the process of preparation for installation - roll groove -> open hole, install mechanical three links, four-way -> pipeline installation -> pressure test.
Second, the installation preparation 1. Check the hole machine, roller groove machine, pipe cutting machine, ensure safe use.
2. Preparation of materials and tools, including pipes, steel tape measures, wrenches, vernier calipers, level gauges, lubricants, wooden hammers, scaffolding, etc.
3. Install the hangers to be installed according to the design requirements.
Third, rolling groove 1. Pipe cutting machine with the required length of the cut, with a level instrument to check the incision section, to ensure that the incision section and the central axis of the pipe perpendicular. If the nicks are burrs, smooth them with a grinder.
2. The steel pipe that needs to be grooved is set up on the tail groove of the roll groover and the roll groover, and is leveled with a level meter so that the steel pipe is in a horizontal position.
3. The end of the steel pipe processing section close to the groove machine, so that the central axis of the pipe and the roller surface vertical.
4. Slowly press down. Jacks, so that the upper pressure roller close to the steel pipe, start the roller groove machine, so that the roller rotates a week, at this time pay attention to observe whether the pipe section is still tight with the groove machine, if not tight, should adjust the pipe to the level. If it is tight, slowly lower the jack so that the upper pressure roller evenly rolls the steel pipe to a predetermined depth of the groove.
5. Stop and check the depth and width of the groove with a vernier caliper. After confirming that it meets the standard requirements, unload the jack and remove the steel pipe.
Fourth, open hole (stainless steel pipe plant). Install the mechanical three-way and four-way 1. Stretch the ink line on the steel pipe to determine the opening position of the joint branch pipe.
2. The chain opening machine is fixed at the predetermined opening position of the steel pipe.
3. Start the motor and turn the handwheel so that the drill bit is slowly approaching the steel pipe. At the same time, add lubricant at the drill bit to protect the drill bit and complete the hole on the steel pipe.
4. Stop the machine, shake the handwheel, open the chain, remove the hole machine, clean the metal block and the hole opening, and use the grinder to smooth the hole.
5. Put the clamp on the steel pipe, pay attention to the mechanical three-way should be concentric with the hole, the gap between the rubber sealing ring and the hole is even, and tighten the bolt in place.
6. If it is a mechanical cross, be sure to ensure that the holes on both sides of the pipe are concentric when you open the hole. Otherwise, when the installation is completed, it may cause the rubber ring to break and affect the area that passes through the water.
V. Pipeline installation, in accordance with the principle of first installing large diameter, main pipe, riser pipe, and after installation of small diameter, in charge, in the installation process, must be installed in sequence, can not be jump mounted, sub-assembly, so as to avoid segmentation and segmentation Interconnection difficulties and affect the overall performance of the pipeline.
1. The steel pipe is fixed on the hanger and the non-damaging rubber seal is placed on the end of a steel pipe.
2. Insert the other end of the steel tube that has been coated with lubricant into the rubber seal and turn the rubber seal so that it is in the middle of the connector.
3. Install the upper and lower clamps on the outside of the rubber seal ring, and put the clamp flange into the groove, and press the upper and lower clamp ears firmly. In the position of the clamp screw holes, tighten the bolts and evenly tighten the nuts. During the nut process, the clamp is hammered with a wooden hammer to ensure that the rubber seal will not wrinkle, and the clip collar needs to be fully inserted into the groove.
4. Add a hanger to the 500mm pipe inside the rigid clamp joint.
Sixth, the system pressure test pipe installation is completed, the system should be pressure test. Before the system pressure test, it is necessary to fully check whether the mounting parts, fixing brackets, etc. are in place. The installed pipeline may have sagging, if the sagging arc is large, the stent may be added; if the arc is small, the radian will disappear naturally when the pressure in the pipeline rises.
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