John Guest: 28MM Ring Main Equal Elbow This range of equal elbows are designed to connect plain pipe at 90. With a push-fit system, the products are designed for use with compressed air systems. They are designed to provide the ideal connection from compressor to air-line service components through to complete ring main and take off points. With a working temperature range of -20C to +70C, working pressure range of 10 bar up to +23 and 7 bar up to +70, the range is robust and versatile. Features and Benefits Suitable for use with a wide range of plastic and soft metal pipes including UPVC, ABS, Polyethylene, nylon, mild steel and copper making for a versatle product All the connections can be made with a simple push-in action, no need to prepare threaded pipe or solvent to save you time when working Quick disconnection without the need for tools for ease Designed to allow for superior air flow Suited for air as well as inert gases depending on your needs Available in a range of sizes