Iron Brass Compression Coupling for IPS PVC & HDPE Pipe The Iron Pipe Size (IPS) LF Brass Compression Coupling Without Stop is a heavy-duty plumbing fitting designed to join two lengths of IPS-sized plastic pipe, such as PVC or high-density polyethylene (HDPE), without an internal stop, allowing the pipe to pass through the coupling body. These couplings are ideal when creating a continuous run of pipe without obstructing internal flow. Made from lead-free brass, these couplings offer corrosion resistance and long service life in potable water and other utility applications. Their compression ends create a reliable, watertight seal when tightened, compressing internal gaskets around the pipe. They are commonly used in larger service lines where IPS fittings are standard (such as 1-1/4″, 1-1/2″, and 2″ systems). Key Benefits of the LF Brass Compression Coupling Continuous Pipe Passage: Unlike couplings with an internal stop, this design lets the pipe slide fully through the fitting body, ideal for long runs or relocation. Lead-Free Brass Construction: Made from safe, corrosion-resistant materials suitable for potable water systems. Compression Seal Technology: Compression ends tighten onto the pipe to form a secure, watertight gasket seal. Wide Size Range: Available in common IPS sizes (3/4″, 1″, 1-1/4″, 1-1/2″, 2″), covering typical service line diameters. Certified Waterworks Performance: Made to meet or exceed AWWA C800 and NSF/ANSI 61 & 372 standards for safety and performance in water service installations. High Pressure Rating: Rated for up to 300 PSI, suitable for both underground and above-ground potable water supply lines. Brass Compression Coupling Specifications Specification Details Product IPS LF Brass Compression Coupling Without Stop Material Lead-Free Brass Pipe Compatibility PVC & IPS HDPE Pipe Pressure Rating 300 PSI Certifications AWWA C800, NSF/ANSI 61 & 372 Sizes Available 3/4″, 1″, 1-1/4″, 1-1/2″, 2″ Key Features – Lead-Free Brass IPS Coupling Constant Bore Design Unlike couplings with an internal stop, this style allows the pipe to slide fully through, which is useful in hookup or rerouting scenarios. Waterworks-Ready Construction Lead-free brass meets potable water requirements and supports extended service life. Quick Compression Installation Compression fittings tighten with standard tools, eliminating the need for soldering or glue. EPDM Gasket Sealing Internal gaskets are compressed by tightening the coupling nuts to create a watertight seal around pipe OD. Iron Pipe Sizes Size O.D. 3/4" 1.050” 1" 1.315” 1-1/4" 1.660” 1-1/2" 1.900” 2" 2.375” Applications This coupling is ideal for: Long runs of IPS PVC pipe HDPE potable water service lines Repair or expansion of underground water mains Connections where internal flow must remain unobstructed For a complete selection of waterworks and service line components, explore the Cambridge Brass collection → at Cleanflow. Get the IPS LF Brass Compression Coupling Without Stop Check out the Iron Pipe Size LF Brass Compression Coupling Without Stop from Cleanflow for dependable, continuous connections between IPS PVC or HDPE pipe. With lead-free construction, compression sealing, and 300 PSI performance, this fitting meets waterworks standards for potable supply lines. Buy it today for reliable, leak-resistant pipe connections. Frequently Asked Questions What is a compression coupling without stop? A compression coupling without stop allows the pipe to pass completely through the fitting body instead of stopping at an internal shoulder. This is useful when extending or rerouting pipe runs. Can this coupling be used with potable water? Yes. These fittings are lead-free and comply with water safety standards, making them safe for potable water systems. What sizes are available? Common sizes include 3/4″, 1″, 1-1/4″, 1-1/2″, and 2″ IPS, covering a range of service line diameters. Do I need special tools for installation? No. Compression fittings can be installed using standard wrenches by tightening the compression nuts to form a seal. Is an internal gasket used? Yes. Compression fittings use internal gaskets, often EPDM, that compress around the pipe to create a watertight seal. Where are these couplings typically used? They are used in potable water service lines, underground mains, and applications requiring a watertight connection between IPS plastic pipes. What pressure can they handle? These couplings are rated for up to 300 PSI, making them suitable for many water supply applications. Are insert stiffeners required for HDPE pipe? Yes. When connecting to flexible plastic pipe such as HDPE, insert stiffeners help prevent pipe collapse and ensure proper sealing.
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