Dereve Brass Safety Pressure Relief Valve with 1/4", 3/8", 1/2" & 1" BSPT Threads. Dereve Ref Pressure Capacity Thread. 6100/06/H/9.0 9.0 bar 67 l/s 1/4" BSPT. 6100/10/H/6.9 6.9 bar 55 l/s 3/8" BSPT. 6100/15/E/3.0 3.0 bar 27 l/s 1/2" BSPT.
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