P74S – EXCELON® Modular System

Soft Start Monitored Dump Valves

Technical features

Product Type	FRL Control Valves
Medium	Compressed air only
Operating pressure	3 bar (43 psi) minimum 10 bar (145 psi) maximum
Snap pressure	Full flow when downstream pressure reaches 35 – 60% of inlet pressure
Charge time	For 2 litre downstream volume and 6,3 bar (90 psi) inlet pressure 0,2 sec. minimum 75 sec. maximum
Port size	G1/4, G3/8, G1/2, G3/4, 1/4PTF, 3/8 PTF 1/2 PTF , 3/8 PTF
Pilot port	Rc1/4 with ISO G main ports 1/4 PTF with PTF main ports
Exhaust port	G1/2 with ISO G main ports 1/2 PTF with PTF main ports
Flow	57 dm3/s Operating pressure: 6,3 bar (91 psi) Δp: 0,5 bar (7 psi) P1 » P2 = Cv 4,2; P2 » P3 = Cv 5,6
Ambient/Media temperature	-20 … +50°C (+4 … +122°F) pilot operated Air supply must be dry enough to avoid ice formation at temperatures below +2°C (+35°F).
Materials	Body & intermediate body: Aluminium Elastomers: Synthetic materials Filter discs: Sintered plastic Internal components: Brass/steel Top plate & exhaust bonnet: Zinc