Control valve, ARI, type BR 450

Control valve in 3-way pattern with horizontal seat, stem sealing: PTFE V-rings with spring (+220°C) or

graphite gland packing (+450°C), valve characteristic: linear,

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

reduced kvs values possible

Fig. 12.450: PN 16, body: EN-JL1040 (GG-25), stem/disc/seat: 1.4021,

Fig. 23.450: PN 16/25, body: EN-JS1049 (GGG-40.3), stem/disc/seat: 1.4021,

Fig. 35.450: PN 25/40, body: 1.0619+N, stem/disc/seat: 1.4021,

Fig. 55.450: PN 25/40, body: 1.4408, stem/disc/seat: 1.4571