Valve Finder

Control and shut-off butterfly valve

Series BFCW2, welding / welding, EN (DIN), full bore, DN 300-800, PN 25

DN 300-800
Show technical documentation for the product

Materials

Body
DN 300-500: Steel, P235GH (1.0345)
DN 600-800: Steel, P355 NL1 (1.0566)
Disc
DN 300-800: Stainless steel, GX5CrNiMo19-11-2 (1.4408)
Seat
DN 300-800: 1.4542 + HCr plating
Stem
DN 300-800: Stainless steel, X3CrNiMoN27-5-2 (1.4460)
Stem seal
DN 300-800: Graphite
Bearing
DN 300-800: PTFE + AISI 316 net

Mounting

welding / welding, EN (DIN)

Operation

DN 300-800
manual gear

Operating conditions

Body
PN 25
Trim
Temperature
-40 °C - +250 °C
Leakage rate
A or B (EN 12266-1) depending on requirement

Below 0 °C contact manufacturer. Lowest allowed ambient temperature -40 °C.

DN 300-800

Dimensions

DN 300-800
DN 300-800
DN 300-800
DNPNProduct no.DD1H1H2H3H4H5LL1L2L3SKg
30025BFC300W2323.9400247.0435683315537270110.01053315.686
35025BFC350W2355.6400255.0445693325547290134.01053315.6100
40025BFC400W2406.4500285.0467772347590310157.01303936.3124
45025BFC450W2457.0400330.0499754379622330153.01303866.3180
50025BFC500W2508.0400360.0528783408651350153.01303866.3204
60025BFC600W2610.0500440.0575887450728390184.01404197.1332
70025BFC700W2711.0400495.0625884501784430203.01824418.0462
80025BFC800W2813.0500581.07331068573911470226.02094838.8805

Product number conversions

Product no.LVIRSKNRF
BFC300W240426544506194
BFC350W2404264445006105536034
BFC400W2404264545006115536035
BFC450W24042662
BFC500W2404263245006125536037
BFC600W2404264645006135536038
BFC700W2404264745006145536039
BFC800W2404264845006155536041

Technical documentation for the product

  1. Certificates

    1. Declaration of Conformity

      Declaration of Conformity

      PDF
    2. T V AGFW FW428 BFS BFC

      T V AGFW FW428 BFS BFC

      PDF

  2. Operation manuals

    1. Butterfly valves, coupling dimensions

      Butterfly valves, coupling dimensions

      PDF
    2. Vexve Butterfly Valve Kv Curves For DN300 800 EN

      Vexve Butterfly Valve Kv Curves For DN300 800 EN

      PDF
    3. Vexve Butterfly Valve Kv Curves For DN900 1200 EN

      Vexve Butterfly Valve Kv Curves For DN900 1200 EN

      PDF
    4. Vexve butterfly valves, installation, operation and maintenance manual

      Vexve butterfly valves, installation, operation and maintenance manual

      PDF
    5. Vexve Butterfly Valves Kv Value Chart EN

      Vexve Butterfly Valves Kv Value Chart EN

      PDF
    6. Vexve Butterfly Valves Pressure Loss Diagram DN300 1400

      Vexve Butterfly Valves Pressure Loss Diagram DN300 1400

      PDF
    7. Vexve Butterfly Valves Operating Torques EN

      Vexve Butterfly Valves Operating Torques EN

      PDF