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Control valve KFM 331 4/5

Control valve KFM 331 45
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  • Material: cast iron
  • Type of drive: pneumatic drive

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  • Description
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Air operated three-way control valve with PTFE-V packing.

Pressure-temperature values according to DIN EN 1092-1:

- -10 ... 50 150 200 250 300 350 ° C *
PN 16 16 15.5 14.7 13.9 12.8 11.2 bar
PN 25 25 24.3 23 21.8 twenty 17.5 bar

* = max. 250 ° C for stem packing with PTFE - V - ring assembly

DN Specification-No. Kvs m3 / h Stroke mm Closing pressure * (bar) for control signal
PN 16 PN 25 0.4 ... 1.2bar: standard 1.0 ... 2.0bar: type ... c 2.0 ... 4.0bar: type ... d
15 331 400. 331,500. 4 twenty 17.9 25.0 -
twenty 331 401. 331 501. 6.3 twenty 17.9 25.0 -
25 331 402. 331 502. ten twenty 11.1 25.0 -
32 331 403. 331 503. 16 twenty 6.3 22.8 25.0
40 331 404. 331 504. 25 twenty 3.6 14.4 25.0
50 331 405. 331 505. 40 twenty 1.9 8.9 20.7
65 331 406. 331 506. 63 thirty 0.6 4.8 11.9
80 331 408. 331 508. 100 thirty - 3.0 7,7
100 331 410. 331 510. 160 thirty - 1.7 4.7
125 331 412. 331 512. 230 35 - 0.7 2.5
150 331 415. 331 515. 330 38 - - 1.6

* higher closing pressures and DN> 200 on request, DN200

Body: cast iron EN-GJS-400-18-LT (GGG-40.3), three-way for water and steam, mixing type; (do not use to split streams);
Pressure range: PN 16, PN 25;
Immersion depth according to DIN EN 558, basic series 1;
Flanges according to DIN EN 1092-2 type 21;
Stem seal: spring-loaded PTFE-V-ring assembly for temperatures up to 250 ° C;
Alternatively: graphite seal for media up to 350 ° C;
Internal parts: stainless steel, replaceable seat rings;
Flow characteristic: linear;
Ratio ratio: 50: 1;
Leakage: <0.01% Kvs;

DN 15 twenty 25 32 40 50 65 80 100 125 150
Height H 458 472 466 473 480 483 525 526 533 685 700
Pin length H1 65 70 75 80 90 100 120 130 150 200 210
Length L 130 150 160 180 200 230 290 310 350 400 480
Weight, kg 17 eighteen 19 22 23 26 42 47 61 115 137

схема KFM 331 4/5

  • Pickup from a warehouse in Kiev
  • New Mail
  • SAT
  • Deliveri
  • Courier in Kiev
  • Cashless payment with VAT
  • Online Privat24, Visa / MasterCard
Control valve KFM 331 45

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