1/97 n/al. 8.160. 500.01 v72g excelon?2 pressure relief valve 1/4 , 3/8 port size l excelon design allows in-line installation or modular installation with other excelon 72 products l push to lock adjusting knob with tamper resistant accessory l helps protect air operated equipment from over pressure by retarding excessive pressure build up technical data fluid: compressed air operating temperature*: -20 to +65? (-4 to +150?) * air supply must be dry enough to avoid ice formation at temperatures below 2? (35?). gauge ports: 1/8 " ptf with ptf main ports 1/8 " iso rc with iso rc main ports 1/8 " iso rc with iso g main ports exhaust port: 1/4 " ptf with ptf main ports 1/4 " iso rc with iso rc main ports 1/4 " iso rc with iso g main ports materials: body: zinc bonnet: acetal valve: brass elastomers: neoprene bottom plug: acetal ordering information see ordering information on the following pages. iso symbol our policy is one of continuous research and development. we reserve the right to amend, without notice, the specifications given in this document.
1/97 t ypical p erf ormance characteristics v72g n/al. 8 .160. 500.02 issue no .1 re vision 0 port size: 1/4 " range: 0,3 to 10 bar g (5 to 145 psig) relief curve 0 5 10 15 20 25 dm 3 /s relief flow 0 10 20 30 40 50 60 scfm 12 9 6 3 0 outlet pressure bar g 150 120 90 60 30 0 psig or dering inf ormation. models listed include bsp threads , knob adjustment, and a 0,3 to 10 bar (5 to 145 psig) outlet pressure adjustment r ange*. por t size model w eight kg (lb) g1 / 4 V72G-2GK-NMN 0,33 (0.73) g3 / 8 v72g-3gk-nmn 0,33 (0.73) v 7 2 - g h h - h h n h por t size substitute 1 / 4" 2 3 / 8" 3 thr eads substitute ptf a iso rc taper b iso g parallel g gauge substitute w ith g w ithout n alternative models outlet pr essur e adjustment range* substitute 0,3 to 2 bar (5 to 30 psig) c 0,3 to 4 bar (5 to 60 psig) f 0,3 to 10 bar (5 to 150 psig) m * relief v alv e can be adjusted to pressures in e xcess of and less than those specified. do not use these units to control pressures outside of the specified r anges . adjustment substitute knob k t -bar t our policy is one of contin uous research and de v elopment. w e reser v e the r ight to amend, without notice , the specifications giv en in this document.
1/97 v72g 73 (2.88) 50 (1.97) 48 (1.89) 35 (1.38) 50 (1.97) 63 (2.48) 48 (1.89) 35 (1.38) 102 (4.03) 25 (0.98) 25 (0.98) 26 (1.01) 26 (1.01) 1/4" exhaust port 1/4" exhaust port n/al. 8 .160. 500.03 i ssue no .1 re vision 0 dimensions mm (inc hes) p anel mounting hole diameter : 40 mm (1.57") p anel thic kness: 0 to 4 mm (0" to 0.16") accessories our policy is one of contin uous research and de v elopment. w e reser v e the r ight to amend, without notice , the specifications giv en in this document. w all mounting bracket neck mounting bracket 40 mm plastic panel nut pr essur e gauge r1 / 8 connection 1 / 8 ptf connection 4224-50 74316-50 4 bar (60 psig): 18-013-990 18-013-211 4248-89 includes plastic panel nut 10 bar (150 psig): 18-013-989 18-013-212 25 bar (360 psig): 18-013-908 t amper resistant cover and seal wir e 4255-51 seal w ir e: 2117-01
n/al. 8 .160. 500.04 issue no .1 re vision 0 1/97 w arning these products are intended f or use in industr ial compressed air systems only . do not use these products where pressures and temper atures can e xceed those listed under ? ec hnical data . bef ore using these products with fluids other than those specified, f or non-industr ial applications , lif e-suppor t systems , or other applications not within pub lished specifications , consult norgren. through misuse , age , or malfunction, components used in fluid po w er systems can f ail in v ar ious modes . the system designer is w ar ned to consider the f ailure modes of all component par ts used in fluid po w er systems and to pro vide adequate saf eguards to pre v ent personal injur y or damage to equipment in the e v ent of such f ailure . system designer s m ust pr o vide a warning to end user s in the system instructional man ual if pr otection a gainst a failure mode cannot be adequatel y pr o vided. system designers and end users are cautioned to re vie w specific w ar nings f ound in instr uction sheets pac k ed and shipped with these products . w ater v apor will pass through these units and will condense into liquid if air temper ature drops in the do wnstream system. install an air dr y er if w ater condensation could ha v e a detr imental eff ect on the application. v72g brac ket kit ref erence item par t number w all bracket 4224-50 neck mounting w all bracket 74316-50 quikclamp and quikclamp w all bracket 4214-52 4 (0.16) 18.6 (0.73) 6 (0.24) 42 (1.65) 5 (0.20) 20 (0.80) 12 (0.47) 38(1.50) 60 (2.36) port c l 51 (2.00) 39 (1.54) port c l 49 (1.93) 30 (1.18) 7 (0.28) port c l 34 (1.34) 4,4 (0.17) port c l 38 (1.50) brac ket mounting w all brac ket use 4 mm (5/32") scre ws to mount br ac k et to w all. quikc lamp and quikc lamp w all brac ket use 5 mm (3/16") scre ws to mount br ac k et to w all. nec k mounting f or b72, r72, v72, includes plastic panel n ut use 4 mm (5/32") scre ws to mount br ac k et to w all. port c l 59 (2.32) 74 (2.91) 38 (1.50) 14 (0.55) ser vice kits item t ype par t number ser vice kit diaphragm 4209-03 ser vice kit includes diaphr agm assemb ly and bottom plug o-r ing. our policy is one of contin uous research and de v elopment. w e reser v e the r ight to amend, without notice , the specifications giv en in this document.
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