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Valves

Bolted Bonnet Cartridge Valve View All Nuclear Valves

Straight Pattern

Class 600 bellows sealed globe valve, standard bore, outside screw and yoke, non-rising handwheel, bolted bonnet. To BSEN15761 or nuclear class to ASME III available.

Valve can be supplied with actuation - electric or pneumatic plus controls. Extended spindles also available.

Butt weld end connections shown, also available as screwed, socket weld, flanged or special connection or manifold blocks.

Cartridge valve, seat and all seals are removed with the top assembly. This leaves only the body left in line. Maintenance time reduced significantly. Increases safety, no danger of seals being lost down line or seat not being fitted.

Maximum pressure / temperature ratings are restricted by the valve end connections and the body / bonnet materials. Valve design suitable for temperatures up to 320 oC. Materials can be changed to customer specifications.

Bolted Bonnet Cartridge Valve
Dimensions
Size DN Dim A mm Dim B mm Weight Kg Cv UKGPM
15 108 243 9 2.45
6 108 243 9 1.7
20 117 243 9 2.45
25 127 256 9.6 5.8
40 165 368 24 12.4
50 203 400 25 18.5
80 356 500 202 37
100 406 521 240 76
150 559 780 278 260
Component Material
Body St.St. BSEN 10222-5 x2 CrNi 18-9 (1.4307) / ASME SA182 F304L
Bonnet St.St. BSEN 10222-5 x2 CrNi 18-9 (1.4307) / ASME SA182 F304L
Seat St.St. BSEN 10088-3 1.4307 / ASME SA479 304L
Seat Seal Perlast or Kalrez seal
Disk St.St. BSEN 10088-3 1.4307 / ASME SA479 304L
Stem St.St. BSEN 10088-3 1.4307
Bellows St.St. Type 316L
Back up Gland Graphite
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