VVF53.15-0.4

VVF53.15-0.4

2-port seat valve, flanged, PN25, DN15, kvs 0.4

Stroke                                                 To DN 50: 20 mm, From DN 65: 40 mm

Leakage rate                                     0…0.01 % of k_vs value

DN                                                      15

k_vs                                                        0.4 m³/h

Medium temperature                       -20…220 °C

Valve characteristic                         Equal percentage , k_vs 250/400 linear

Rangeability                                     DN 15, k_vs ≤ 1,25 m³/h: >50 , DN 15…150: >100

Permissible operating pressure    2500 kPa

Material, valve body                         Nodular cast iron EN-GJS-400-18-LT

Material, inside set                           Stainless steel

PN class                                            PN 25 , PN 16

Absolute pressure p1 steam          1600 kPa abs

SAX..Δp_max                                        1200 kPa

SAX..Δp_s                                            2500 kPa

SKD..Δp_max                                        1200 kPa

SKD..Δp_s                                           2500 kPa

SKB..Δp_max                                        1200 kPa

SKB..Δp_s                                            2500 kPa

SKD.. Δp_max steam                           1200 kPa

SKD.. Δp_s steam                               2500 kPa

SKB.. Δp_max steam                           1200 kPa

SKB.. Δp_s steam                               2500 kPa