Control valve, ARI, type BR 448 DP

Control valve in straight-way pattern with horizontal seat, stem sealing: PTFE V-rings with spring (+220°C) or

graphite gland packing (+450°C), valve characteristic equal-percentage/linear,

pneumatic actuator, type DP, single acting, normally closed (normally open on request),

reduced kvs values possible

Fig. 12.448: PN 16, body: EN-JL1040 (GG-25), stem/disc/seat: 1.4021

Fig. 25.448: PN 16/25/40, body: EN-JS1049 (GGG-40.3), stem/disc/seat: 1.4021

Fig. 23.448: PN 16/25, body: EN-JS1049 (GGG-40.3), stem/disc/seat: 1.4021

Fig. 35.448: PN 16/25, body: 1.0619+N, stem/disc/seat: 1.4021

Fig. 55.448: PN 16/25, body: 1.4408, stem/disc/seat: 1.4571