Pneumatic & Fluid Control Catalog - z7424CT

04 - Excelon Modular Pressure Relief Valves

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4 AIR PREPARATION PRODUCTS APP-16 For further information www.norgren.com V74Sect 1 4 2 3 "T" Installation (Type V07, V74, 16-001) Relief Flow 1 4 3 2 Relief Flow Inline Installation (Type V72 Only) * Relief valve can be adjusted to pressures in excess of, and less than, those specified. Do not use these units to control pressures outside of the specified ranges. ** Units with 250 psig relief pressure range are available only with the T-bar adjustment; therefore substitute T at the 7th position and S at the 9th position. Note: for Excelon 73 combinations use V74G. V72G V74G Options selector V 7 H G- HHH -N HH Series Substitute 72 2 74 4 Port size Substitute 1/4" (72) 2 3/8" (72, 74) 3 1/2" (74) 4 3/4" (74) 6 Threads Substitute PTF A ISO G G Ordering information Models listed include PTF threads, knob adjustment, and a 5 to 150 psig (0.3 to 10 bar) relief pressure adjustment range, with gauge.* Gauge Substitute With G Without N Relief pressure adjustment range* Substitute 5 to 60 psig (0.3 to 4 bar) F 5 to 150 psig (0.3 to 10 bar) M 10 to 250 psig (0.7 to17 bar) S Adjustment Substitute Knob K T-bar T ISO Symbol Size Model Service kit 1/4 V72G-2AK-NMN 4209-03 3/8 V74G-3AK-NMN 4384-700 1/2 V74G-4AK-NMN 4384-700 3/4 V74G-6AK-NMN 4384-700 V72G V74G Excelon ® modular system V72G, V74G Pressure Relief Valves Excelon ® design allows in-line installation or modular installation with other Excelon ® products Push to lock adjusting knob with tamper resistant accessory Helps protect air operated equipment from over pressure by retarding excessive pressure build up Fluid: Compressed air, neutral gases NOTE: Contact technical support for use with other media. Maximum pressure: 300 psig (20 bar) Operating temperature*: (72) -30° to 150°F (-34° to 65°C) (74) -30° to 175°F (-34° to 80°C) * Air supply must be dry enough to avoid ice formation at temperatures below 35°F (2°C). V72 Gauge ports: 1/8" PTF with PTF 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 G main ports Materials V72G Body: zinc body Bonnet: acetal Elastomers: chloroprene Bottom plug: acetal V74G Body & bonnet: aluminum Elastomers: chloroprene Bottom plug: acetal Technical data GrSym,RelVlv

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