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Self-Actuating Pressure Reducing Regulators

Details

Regulators are applied in heating systems, in industrial processes with cold and hot water, steam, air and non- flammable gases. Using with other media subject to consulting with manufacturer.

 

 

 

 

 

 

 

Technical Table
SNR1 Used to control preset pressure in process installations connected to valve outlet.
SNR2 For regulation of pressure after the valve with an intensifier.
SNR3 Used to control preset pressure in process installations connected  to valve inlet.
Technical Specifications
DN 15 20 25 32 40 50 65 80 100 125 150

KVS 1)

[m3/h]

full flow 3,2 5 8 12,5 20 32 50 80 125

 

special execution

technical data according to individual inquiries

 

reduced flow

1

1,6

2,5

1,6

2,5

3,2

2,5

3,2

5

 

5

 

8

 

12,5

 

20

 

32

 

50

Stroke [mm] 6 8 12 14
Noise coefficient Z 0,65 0,6 0,55 0,45 0,4 0,35
Control characteristics proportional
Spring range [kPa] 2) 40…160;         100…400;         200…800;          280…1120

Maximum pressure in actuator

chamber

  • 0%
20

Allowed pressure drop

in valve

  • 0%
12 10

 

Valve nominal pressure

valve body in grey iron PN 16
valve body in spheroidal iron PN 16; PN 25; PN 40
valve body in carbon steel and stainless steel PN 16; PN 25; PN 40
Maximum medium temperature [˚C] water 200
steam
gases 80

 

Materials as per PN

Regulator t1R 1.1 SNR 1.2
VALVE  (01)

 

Body

grey iron EN-GJL-250

spheroidal iron EN-GJS-400-18LT carbon steel GP240GH (1.0619)

stainless steel GX5CrNiMo 19-11-2 (1.4408)

Plug and seat X6CrNiMoTi 17-12-2 (1.4571)
Guide sleeve
Packing EPDM3)
ACTUATOR (02)
Housing carbon steel S235JRG2C (1.0122) stainless steel X6CrNiTi 18-10 (1.4541)
Stem X17CrNi 16-2 (1.4057)
Diaphragm EPDM + polyester fabric3)
Packing EPDM3)
Adjuster (03)
Adjuster components carbon steel C45 (1.0503)
Springs Spring steel 60Si7