西門子二通閥閥體 VVF47..系列 Siemens 2-port valves with flanged connections, PN 16

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描述

Grey cast iron EN-GJL-250
DN 50…150
kvs 40…315 m3/h
Can be equipped with SBX.., SBV.. actuators
Permissible Media: Chilled water, low temperature hot water, high temperature hot water, water with anti-freeze, brine;
recommendation: water treatment to VDI 2035
Direction of flow:
VVF47..:Through-port A to AB
VXF47..:Mixing A/B to AB

品牌	Siemens
PN class	PN 16 to ISO 7268
Working pressure	16 bar
Leakage rate	through-port: 0…0.1% of Kvs value bypass: 0.5…2% of Kvs value
Permissible media	Chilled water, low temperature hot water, high temperature hot water, water with anti-freeze, brine; recommendation: water treatment to VDI 2035
Medium temperature	1…95 °C
Rangeability Sv	DN 50…150: > 50
Nominal stroke	DN 50…80: 20 mm DN 100…150: 40 mm
Materials - Valve body	Grey cast iron EN-GJL-250
Materials - Stem	Stainless steel
Materials - Plug	Bronze or stainless steel
Materials - Sealing gland	O-ring: EPDM; Wiper ring: PTFE
Product no	VVF47.50, VVF47.65, VVF47.80, VVF47.100, VVF47.125, VVF47.150, VXF47.50, VXF47.65, VXF47.80, VXF47.100, VXF47.125, VXF47.150