Weir Pattern/ Straight type Diaphragm Valves are offered in different sizes ranging from ½" to 12". These Diaphragm Valves are available in weir pattern or straight type design. These Diaphragm Valves are made from optimum grade cast steel, cast iron, stainless steel 304, 316 or 316L to ensure durability of usage. Weir Pattern/ Straight type Diaphragm Valves are available with screwed or flanged type ends.