ENERGY TASK FORCE HOME PRODUCTS » PROJECTS » LOCATIONS ABOUT US CONTACT US ETF LT ETF LT is a cased piping system for LN2, CO2, O2, Ammonia, Chilled Water or Process Piping. ETF pre-insulated cased pipe shall consist of the following components: Carrier Pipe Type (K) or (L) hard drawn copper tubing conforming to ASTM-B-88 in 20-foot lengths. Stainless steel, carbon steel, PVC or FRP may be specified as required by the service. Insulation Polyurethane foam with the following minimum characteristics: K Factor .14, density 2.8 PCF, closed cell content – 90-95% in conformance with ASTM C-591 completely filling the annular space between carrier pipe and jacket. Jacketing Material High impact seamless polyvinyl chloride (PVC) class 12454 B-compound conforming to ASTM 1784, Type 1, Grade 1. Jacket diameter and wall thickness as required by service. Other jackets may be specified by engineer. Insulation of Straight Joints After brazing/soldering, a solid PVC sleeve is slid over the joint overlapping the jacketing on both sides. The sleeve ends are taped to the jacket with tape coat below ground, PVC tape above ground, a 3/4″ hole is drilled in the sleeve to receive 2 part liquid foam. After insulating the joint with ETF-urethane foam kit, hole is plugged and taped. Fittings All fittings shall be insulated utilizing the Energy Task Force standard fitting insulating kit of factory pre-fabricated and pre-insulated as required. Underground systems shall be buried in a trench of not less than 24 inches deeper than the top of the pipe jacket and not less than 18″ wider than the combined O.D. of all piping systems. Backfill should be tamped compactly in place. No rock shall be used in the first foot of backfill. Twenty-four (24) inches of jacket to grade of compacted fill will meet H-20 highway loading. Field service by a certified manufacturers representative is available. ETF LT Documents ETF LT Spec Straight Pipe Prefab Tee Prefab 90 Prefab 45 Field Joint Copper Anchor Our Products ETF LT (low temperature) ETF MT (medium temperature) ETF HT (high temperature) Our Mission ETF will be the lowest cost provider of Pre-insulated piping systems to the construction trade. We will focus on long term profitable growth of the company through excellence in customer service and fiscally conservative management. Recent Projects Correctional Facilities Cryogenic Installations Education Government Hotel / Convention Refrigeration Hospitals Contact Us Energy Task Force 2501 Clark St Apopka, Fl 32703 Phone: 407-523-3770 Fax (407) 523-3722 ETF West LLC 2940 W Osborn Rd Phoenix, AZ 85017 Phone: 407-523-3770 Ext. 101 Fax: 407-523-3722 Copyright © Energy Task Force 2021 · internet marketing Return to top of page