TODO-GAS ® 1" couplings are used in a variety of LPG applications from heavy duty Autogas vehicle refuelling to advanced vapour recovery systems ... http://m.sceptre.com.my/index.php?ws=showproducts&products_id=1722973

TODO-GAS ® 2" couplings are designed primarily for loading and discharge of bobtails or intermediate bulk delivery trucks. Robust construction p ... http://m.sceptre.com.my/index.php?ws=showproducts&products_id=1722974

For larger or high flow rate applications, TODO-GAS ® 3" couplings have no equal. Typically used for rail tank loading and discharge (2" in USA) ... http://m.sceptre.com.my/index.php?ws=showproducts&products_id=1722975