Nordsteam Steam and Flow Control GroupPressure Reducing ValvesDIRECT OPERATED STEAM PRESSURE REDUCING VALVE

DIRECT OPERATED STEAM PRESSURE REDUCING VALVE

DIRECT OPERATED STEAM PRESSURE REDUCING VALVE

DIRECT OPERATED STEAM PRESSURE REDUCING VALVE
DIRECT OPERATED STEAM PRESSURE REDUCING VALVE
DIRECT OPERATED STEAM PRESSURE REDUCING VALVE
Product Information
Product Name - DIRECT OPERATED STEAM PRESSURE REDUCING VALVE
MODEL NST-BDV
Product Category - · Nordsteam Steam and Flow Control Group · Pressure Reducing Valves
Product Brand - Nordsteam

Product Features
DIRECT OPERATED STEAM PRESSURE REDUCING VALVE

NST-BDV Pressure reducing valves are ideal to use particularly in steam, compressed air, or other nonflammable industrial gases. They are ideal products to decrease the pressure of high pressure liquids for usage. The spring can be changeable cost for the different pressure requirements

NOMİNAL SIZE

DN

15

20

25

32

40

50

65

80

100

FLOW RATE

kvs

4

6,3

8

16

20

32

50

75

90

NOMINAL PRESSURE

PN

16  -  25 - 40

PERMISSIBLE DIFFERENTIAL PRESSURE

Max. ∆p

25 bar

20 bar

16 bar

PERMISSIBLE DIFFERENTIAL TEMPERATURE  

°C   max.

350 °C

IEC 60534-4
LEAKAGE CLASS ACCORDING TO

Nl/h

METAL METALE CLASS I (≤0.05 % of KVS)
METAL SEAL LEAKAGE RATE I (≤0.05 % of KVS)

SET POINT RANGES

bar

0,05...0,25  -  0,1...0,6  -  0,2...1,2  -  0,8...2,5
 2 ...5  -  4,5...10  -  8...16

FLOW CHARACTERICTICS

 

Linear

BODY

Materials of main parts

JL1040 / JS1049 / 1.0619/ 1.4404

SEAT

1.4305 / 1.4006

VALVE CLACK

1.4305 / 1.4006

DIAPHRAGM CASES

1.0037 (St 37-2)

DIAPHRAGM

EPDM

ADJUSTING SPRING

DIN 10223/2 VDSiCr

L  mm

Dimension

130

150

160

180

200

230

290

310

350

H mm

323

374

459

485

H1  mm

40 - 80 - 160 - 320cm²    122    /    640cm²    153

D  mm

40-80cm²  Ø170  /  160cm²  Ø225  /  320cm²  Ø285  /  640cm²  Ø380

WEIGHTS  (KG)

13,7

14,3

14,8

17,8

18,5

19,5

30,2

32

58