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HIGH PRESSURE RELIEF VALVES FEATURES H-900HP is available as CE/PED products. 316St.St. Construction Service up to 6000 psi Set Pressure from 50 psig to 6000 psig ( 3.50 to 414 bar) Identifying colored springs for each pressure range Replaceable springs for a variable pressure range Available in all pipe threads and LOK connectors Sizes: 1/4"1/2", 6mm , 12mm GENERAL RV91,RV92is a series of relief valves for high-pressure service. The valve is normally closed. It will open when the system pressure reaches the set level. It will re-close when the system pressure falls below the set level. MATERIALS OF CONSTRUCTION Item No. Components Qty. Valve Body Material 1 Cap Plug 1 PTFE 2 Label 1 Polyester 3 Adjustment Cap 1 St.St 316 4 Spring 1 St.St. 302,17-7PH 5 Lower Spring Button 1 St.St 316 6 Locking Nut 1 St.St 316 7 Bonnet 1 St.St 316 8 O-Ring 1 Viton® (Fluorocarbon) 9 Quad Ring 1 Viton® (Fluorocarbon) 10 Retaining Ring 1 PH15-7Mo 11 Poppet 1 St.St 316 12 Clamps Screw 1 St.St 316 13 O-Ring 1 Viton® (Fluorocarbon) 14 Insert 1 St.St 316 15 Body 1 St.St 316 NOMINAL CRACKING PRESSURE RANGE psig Bars Spring Designator Color 50-350 3.4 - 24 A White 350-750 24 - 51.5 B Blue 750-1500 51.5 - 103 C Gold 1500-2250 103 - 155 D Turquoise 2250-3000 155 - 206 E Green 3000-4000 206 - 275 F Red 4000-5000 275 - 344 G Silver 5000-6000 344 - 413 H Black