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2009-12-28

Flanged valves NTVS (DIN standard)

Flanged valves NTVS (DIN standard) - pressure-balansed 2-way valves, female threaded for control of hot/cold water, glycol mixed water, steam and district heating. The valves are available in sizes from DN15 to DN150 with Kvs values from 0,4 to 310. The valves fit especially well with small actuators. They have a high degree of accuracy with a rangebility of 100:1.

Flow characteristics: Equal percentage
Max diff. pressure: 1,6 Mpa
Media: Hot, cold, glycol mixed water or steam
Fluid temperature: -5...+185° C
Connection: Flanges according to SS 335 table 6
Max leakage: 0,00% of Kvs
Rangeability: 100:1
Pressure rating: PN16
Material
Body: Modular iron SS 0727
Plug and seat: Stainless steel SS 2333
Stem: Stainless steel SS 2346
Cone: Gun metal/stainless steel
Packing box: Self-adjusting teflon
O-ring and piston ring: Viton
Bonnet: Brass SS 5170
Seal flange: Steel SS 2172
Soft seal: Carbon-filled Teflon

Ever Yours
NIT

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