300 N. Findlay St., Dayton HOME ABOUT PRODUCTS SERVICES NEWS DOC LIBRARY SPECS CONTACT US News News Fastener Pricing Increases in Section 301 This week the United States government announced new Section 301 tariffs of 10% on $200 billion worth of imports from China to be implemented September 24th. read more.. Stainless Steel Hangers Pricing Increase in Price Increases 4/16/18 An increase to stainless steel hangers will increase on an average of 6%. read more.. Update Article 232 in Article 232 Price Increases At Main Line Supply, we see our responsibility as not only providing your company with pipe and related piping products, but to also keep you informed of important matters to our industry. read more.. Price Increase - Copper Tubing in Price Increases 4/6/18. The Copper mills have announced an new list price sheet. read more.. Anvil International - Price Increase in Price Increases Due to rising steel and raw material costs a Anvil International is putting in place price increase across their product lines. read more.. Carbon Steel Domestic Pipe Price Increase in Article 232 Price Increases 3/15/2018 Due to continued changes in the Steel Pipe market as a result of the Article 232 signing last week, we continue to see price increases on Domestic, Canadian and Import Steel. read more.. Valve Shutoff / Acceptable Leakage in Control Valves Often when commissioning or troubleshooting automatic control valves, there’s a discovery that the control valve, even though fully closed, doesn’t fully shut off the flow of process fluid through the plug and seat. read more.. What is a Triple Offset Butterfly Valves in Butterfly Valves Butterfly Valves are essential in applications where tight shut off is required. In some applications, tight shut off cannot be achieved using traditional butterfly valves. read more.. NEMA Enclosure Types in Limit Switches NEMA Enclosures The purpose of this document is to provide general information on the definitions of NEMA Enclosure Types to architects, engineers, installers, inspectors and other interested parties. read more.. What is the differences between Butterfly Valves in Butterfly Valves Choosing the wrong type of valve can be detrimental to your operation. There are a few different types of butterfly valves on the market, including the resilient seated, high performance, and triple offset. read more.. 1 2 Next >> Article 232 (6) Butterfly Valves (2) Control Valves (2) Gruvlok (1) Kunkle Valves (1) Limit Switches (1) NEMA Enclosures (1) pipe connector (1) Price Increases (9) Section 301 (1) Steam Traps (2) tarriff 232 (1) TLV (2) Please specify menu style in settings. Download Our Linecard Locations Locations. + Dayton - 937-254-6910 + Cincinnati - 513-242-8700 + Lima - 419-999-0016 CUSTOMER SURVEY Office Hours Monday 8:00 - 5:00 EST Tuesday 8:00 - 5:00 EST Wednesday 8:00 - 5:00 EST Thursday 8:00 - 5:00 EST Friday 8:00 - 5:00 EST COPYRIGHT 2021 BY MAIN LINE SUPPLY