They work with all Viega PEX tubing (including FostaPEX), as well as all other brands and types (A, B, C). Press PEX Fittings Viega PEX Press fittings are installed using a PEX press tool and have press sleeves already pre-installed onto the fitting for ease of installation. PEX-AL-PEX compression fittings can be identified by (2) rubber O-rings over the fitting’s barbs. Design of the compression fitting incorporates a split O-ring and a nut, used to tighten over the PEX-AL-PEX pipe and secure it over the fitting. Unlike most other methods, PEX-AL-PEX connection method does not require a PEX tool. Fittings manufactured to ASTM F2080 standard.Įxpansion style fittings can be used only with PEX-A tubing and are not compatible with other PEX tubing types. Rehau RauPEX expansion system: proprietary style expansion fittings + expander tool + compression tool + brass sleeves. Both brass and poly fittings manufactured to ASTM F1960 standard.Ģ. Uponor (Wirsbo) ProPEX expansion system: proprietary style expansion fittings + expander tool + PEX sleeves. Expansion PEX FittingsĪll expansion fittings can be divided into (2) major groups:ġ. These fittings can be manufactured from brass or poly alloy and are compatible with all types of PEX as we all CPVC and copper piping. Push fitting can be disconnected from the tubing with a help of a disconnecting clip or tool. A special composite mechanism securely locks and seals the pipe, preventing it from leaking or popping out of the fitting. PEX CINCH TOOL FREEPush PEX Fittings Push-Fit or Push-To-Connect fittings are the only ones which do not require any PEX tools or rings to make a connection with tubing. iCRIMP Ratchet PEX Cinch Tool with Removing function for 3/8 to 1-inch Stainless Steel Clamps with 20PCS 1/2-inch and 10PCS 3/4-inch PEX Clamps and Pex Pipe Cutter- All in One 5,021 3299 Get it as soon as Tue, Jul 26 FREE Shipping by Amazon More Buying Choices 32. Poly alloy PEX crimp fittings are manufactured to ASTM F2159 standard.īoth types are compatible with all types (A, B, C) and brands of PEX tubing and can be installed using either one of the following methods: Crimp Method: requires a PEX Crimp Tool and Copper Crimp Rings (also made to ASTM F1807) Clamp (Cinch) Method: requires a PEX Clamp (Cinch) Tool and Stainless Steel (Cinch) Clamps (made to ASTM F2098). Brass PEX crimp fittings are manufactured to ASTM F1807 standard. PEX Crimp FittingsĬrimp style fittings are the most common and affordable type of PEX fittings and can be found in majority of supply houses, home improvement stores and online stores. + Pricing on scale from 1 to 5 (lowest priced to highest priced) based on averages from multiple vendor comparisons. Poly alloy refers to PPSU (Polyphenylsulfone) in all crimp and expansion fittings and other alloys for push type fittings (John Guest and Watts). Brass alloy most commonly used in lead-free PEX fittings is either C46500 or EcoBrass.
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