Name: Siemens VVF31 two-way seat valve, flange connection
Brand: Wuhan Xieli Gangtian System Engineering Co., Ltd
Availability: InStock

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Room 16018, 16th Floor, Wuhan Computer World, No. 131 Luoyu Road, Hongshan District, Wuhan City

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Siemens VVF31 two-way seat valve, flange connection

Overview NameID Product Description SQX..ΔpmaxSQX..ΔpsSAX..ΔpmaxSAX..ΔpsSKD..ΔpmaxSKD..ΔpsSKB..ΔpmaxSKB..Δps Rated flow coefficient C/VVF31 when the n

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Name	ID	Product Description	SQX. . Δp_max	SQX. . Δp_s	SAX. . Δp_max	SAX. . Δp_s	SKD. . Δp_max	SKD. . Δp_s	SKB. [UNK]p_max	SKB. [UNK]p_s	nominal diameter	k_vsRated flow coefficient when the valve is fully open
C/VVF31.24	100383120	Two way seat valve, flange connection, PN10, DN25, kvs 5	300 kPa	1000 kPa	300 kPa	1000 kPa	300 kPa	1000 kPa	300 kPa	1000 kPa	25	5 m3/h
C/VVF31.25	100383123	Two way seat valve, flange connection, PN10, DN25, kvs 7.5	300 kPa	1000 kPa	300 kPa	1000 kPa	300 kPa	1000 kPa	300 kPa	1000 kPa	25	7.5 m3/h
C/VVF31.39	100383124	Two way seat valve, flange connection, PN10，DN40，kvs 12	300 kPa	525 kPa	300 kPa	525 kPa	300 kPa	755 kPa	300 kPa	1000 kPa	40	12 m3/h
C/VVF31.40	100383125	Two way seat valve, flange connection, PN10, DN40, kvs 19	300 kPa	525 kPa	300 kPa	525 kPa	300 kPa	755 kPa	300 kPa	1000 kPa	40	19 m3/h
C/VVF31.50	100383126	Two way seat valve, flange connection, PN10, DN50, kvs 31	300 kPa	325 kPa	300 kPa	325 kPa	300 kPa	475 kPa	300 kPa	1000 kPa	50	31 m3/h
C/VVF31.65	100383127	Two way seat valve, flange connection, PN10, DN65, kvs 49	175 kPa	175 kPa	175 kPa	175 kPa	275 kPa	275 kPa	300 kPa	750 kPa	65	49 m3/h
C/VVF31.80	100383178	Two way seat valve, flange connection, PN10, DN80, kvs 78	100 kPa	100 kPa	100 kPa	100 kPa	175 kPa	175 kPa	300 kPa	500 kPa	80	78 m3/h

function

BPZ:C/VVF31..

Two way seat valve, flange connection

Flange connection, compliant with standard ISO 7005
Suitable for controlling chilled water and low-temperature hot water in closed-loop systems

technical specifications

itinerary	DN 100 and above: 40mm; DN 80 and below: 20mm
leakage rate	0...0.02 % k_vs
medium temperature	-10…150 °C
Valve flow characteristics	Equal percentage
Adjustable valve ratio	DN 25...40: >50; DN 50...150: >100
Allow work pressure	1000 kPa
valve body	Cast iron EN-GJL-250
Valve internal material	<DN 40: Chromium nickel steel/brass; >DN 50: Chromium Nickel Steel/Bronze Rg5
rated pressure	PN 10
Technical Specifications Table	N4320

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