Push-To-Connect Air Line Tube Fittings 4Mm Or Or 5/32 Straight Union, 10 Pack Product Details User's Guide 1. Except air and water,don?t attempt to use the fittings on other fluids 2. The tube fitting is prohibited where spark and fire might be occurred 3. The tube fitting is prohibited if water temperature is above 60?C 4. Never apply tube joint with additional external load(bending,twist or pulling),otherwise damage or leakage will be occurred. Caution Check the end of tubing for a right angle cutting and check the external surface of tubing for any damage or scratch.Please refer to following instruction in connection of tubing.When you insert the air tubing into the joint,you will have two-step feeling.Section one is locking claw and section two is sealing ring.Must insert tube into section two. Sleeve is used in tubing connection and disconnection.The sleeve is designed as an oval shape,which is covienient in assembly and disassembly.However,round sleeve is available to met any special demand the product has limited space for oval sleeve.After connection of tube joint and tubing,always try to pull tubing and ensure its firm connection. Always use proper tool to tighten external hexagonal and internal hexagonal parts of the tube fitting.Always apply recommended torque on screws otherwise extra torque might damage thread and cause air leakage while insufficient torque might cause loose screws and air leakage. Type:Push in fitting/Push to connect Union/Straight Weight:4.8g/Size:8mm Fluid Admitted:Air Vacuum Water (no freezing) Working Pressure:0-1.0MPa | 0-150psi/Applicable Tube:PU / PA / PE / PVC Proof Pressure:3.0Mpa | 435psi.Seal O-ring:NBR/ Lock Claw:Stainless Steel(SUS)/Body:Plastic(PET) Working Temperature:0-60C | 32?140F/Negative Pressure:-100Kpa | -29.5 In Hg Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.