All dimensions are in "mm" unless noted otherwise.
Dimensions and weights are taken from Crane Energy Catalogue.
Lug valves are furnished with thru-hole bolting in accordance with API 594.
They are clamped between mating flanges which are connected by studs and nuts.
Dimension 'C' is the minimum flange bore required on the matching pipe.

Dual Plate Lug Check Valve

Nominal Pipe
Size (NPS)
A B C Approx
Weight (kg)
50 165 60 49 8
65 191 67 60 10
80 210 73 74 14
100 254 73 97 20
125 279 86 122 23
150 318 98 146 38
200 381 127 194 74
250 445 146 243 123