Praxair Distribution, Inc., Danbury, CT, has acquired Rite Weld Supply, Inc. of Fort Worth, TX. Rite Weld is a regional independent distributor of industrial, medical, specialty gases and related welding equipment and supplies.   ; Rite Weld operates cylinder filling plants in Gainesville and Fort Worth, TX, and three retail stores in Denton and Bridgeport, TX, and Madill, OK. The business generated sales of $14 million in 2006 and has 48 employees.   ; The acquisition of Rite Weld to our existing network in North Central Texas further strengthens Praxair's ability to serve customers throughout this important region," said Praxair Distribution President Wayne Yakich.   ; Praxair, Inc. is an industrial gases company with 2006 sales of $8.3 billion.