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DF..B..NI / DF..C.., 2-Way Flanged Linear Valves, PN16/PN25

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Product Description
Technical Properties

Product Description

These single-seated valves are used for modulating control of hot/chilled water or steam in heating, ventilating and air conditioning systems. They are designed especially for use in high differential pressure applications (e.g. district heating) The valves can be operated by linear actuators series ML64... and ML74...

Technical Properties

Materials	Stem made of stainless steel, valve body made of nodular iron (GGG40.3), flanged per ISO 7005-2
Action	Stem down to close
Features	Pressure-balanced plug Nodular iron body with flanged end connections Low seat leakage rate Metal-to-metal seating for long life span Self-adjusting packing Accurate positioning to ensure state-of-the-art temperature control Direct-coupled electric for easy mounting

Tuotteet

Product Type	Valve type	Medium type	Media temp.	Flow char.	DN size	Kvs value	Stroke	Nominal pressure	Port connection
2-Way Linear Valve - Flanged DF..B..NI
DF150B360NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	150 mm	150	38 mm	PN16	flanges ISO7005
DF15B0.4NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	0,4	20 mm	PN16	flanges ISO7005
DF15B0.63NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	0,63	20 mm	PN16	flanges ISO7005
DF15B1.0NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	1	20 mm	PN16	flanges ISO7005
DF15B1.6NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	1,6	20 mm	PN16	flanges ISO7005
DF15B2.5NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	2,5	20 mm	PN16	flanges ISO7005
DF15B4.0NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	4	20 mm	PN16	flanges ISO7005
DF20B6.3NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	20 mm	6,3	20 mm	PN16	flanges ISO7005
DF25B10NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	25 mm	10	20 mm	PN16	flanges ISO7005
DF32B16NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	32 mm	16	20 mm	PN16	flanges ISO7005
DF40B25NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	40 mm	25	20 mm	PN16	flanges ISO7005
DF50B40NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	50 mm	40	20 mm	PN16	flanges ISO7005
DF65B63NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	65 mm	63	20 mm	PN16	flanges ISO7005
DF80B100NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	80 mm	100	20 mm	PN16	flanges ISO7005
DF100B160NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	100 mm	160	38 mm	PN16	flanges ISO7005
DF125B250NI	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	125 mm	250	38 mm	PN16	flanges ISO7005
2-Way Linear Valve - Flanged DF..C..
DF15C0.4	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	0,4	20 mm	PN25	flanges ISO7005
DF15C0.63	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	0,63	20 mm	PN25	flanges ISO7005
DF15C1.0	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	1	20 mm	PN25	flanges ISO7005
DF15C1.6	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	1,6	20 mm	PN25	flanges ISO7005
DF15C2.5	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	2,5	20 mm	PN25	flanges ISO7005
DF15C4.0	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	15 mm	4	20 mm	PN25	flanges ISO7005
DF20C6.3	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	20 mm	6,3	20 mm	PN25	flanges ISO7005
DF25C10	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	25 mm	10	20 mm	PN25	flanges ISO7005
DF32C16	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	32 mm	16	20 mm	PN25	flanges ISO7005
DF40C25	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	40 mm	25	20 mm	PN25	flanges ISO7005
DF50C40	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	50 mm	40	20 mm	PN25	flanges ISO7005
DF65C63	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	65 mm	63	20 mm	PN25	flanges ISO7005
DF80C100	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	80 mm	100	20 mm	PN25	flanges ISO7005
DF100C160	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	100 mm	160	38 mm	PN25	flanges ISO7005
DF125C250	2-way linear valve, pressure balanced	water or water-glycol mixture according to VDI 2035	2 ... 220 ^oC	mod.equal%	125 mm	250	38 mm	PN25	flanges ISO7005

Accessories and replacement parts

Accessories

Image	Description	Product Type	Downloads
	Actuator: 3-point / floating, 20 mm effective stroke, 600N, 24 V AC, 60 s	ML6420A3007
	Actuator: 3-point / floating, 20 mm effective stroke, 600N, 24 V AC, 30 s	ML6420A3023
	Actuator: 3-point / floating, 20 mm effective stroke, 600N, 230 V AC, 60 s	ML6420A3015
	Actuator: 3-point / floating, 20 mm effective stroke, 600N, 230 V AC, 30 s	ML6420A3031
	Actuator modulating 0/2 ... 10 V, 20 mm effective stroke, 600N, 24 V AC, 60 s	ML7420A6009
	Actuator modulating 0/2 ... 10 V, 20 mm effective stroke, 600N, 24 V AC, 30 s	ML7420A6017
	Actuator 3-point / floating (spring return), 20 mm effective stroke, 600N, spring return direct, 24V AC, 108 s	ML6425A3006
	Actuator 3-point / floating (spring return), 20 mm effective stroke, 600N, spring return reverse,24 V AC, 108 s	ML6425B3005
	Actuator 3-point / floating (spring return), 20 mm effective stroke, 600N, spring return direct, 230V AC, 108 s	ML6425A3014
	Actuator 3-point / floating (spring return), 20 mm effective stroke, 600N, spring return reverse,230 V AC, 108 s	ML6425B3021
	Actuator modulating 0/2 ... 10 V (spring return), 20 mm effective stroke, 600N, 24 V AC, 108 s	ML7425A6008
	Actuator modulating 0/2 ... 10 V (spring return), 20 mm effective stroke, 600N, spring return reverse, 24 V AC, 108 s	ML7425B6007
	Actuator 3-point / floating, 38 mm effective stroke, 1800N, 24 V AC, 114 s	ML6421A3005
	Actuator 3-point / floating, 20 mm effective stroke, 1800N, 230 V AC, 114 s	ML6421A3013
	Actuator 3-point / floating, 38 mm effective stroke, 1800N, 24 V AC, 210 s	ML6421B3004
	Actuator 3-point / floating, 38 mm effective stroke, 1800N, 230 V AC, 210 s	ML6421B3012
	Actuator modulating 0/2 ... 10 V, 20 mm effective stroke, 1800N, 24 V AC, 114 s	ML7421A3004
	Actuator modulating 0/2 ... 10 V, 38 mm effective stroke, 1800N, 24 V AC, 210 s	ML7421B3003

Spare Parts

Image	Description	Product Type	Downloads
	Stem button assy, DN40 - DN80	ASV-SBA-2
	Packing nut, DN100 - DN150	ASV-PN-6
	Packing nut, DN15 - DN65	ASV-PN-5
	Packing, DN100/150	ASV-PAC-6
	Packing, DN15 - DN65	ASV-PAC-5
	Stem button assy, DN80 - DN100	ASV-SBA-4
	Body gasket, DN40 - DN65	ASV-BG-2
	Body gasket, DN80 - DN100	ASV-BG-3
	Plug assembly (incl. body gasket and seat ring), DN40, kvs 25	ASV-PA-7-25
	Plug assembly (incl. body gasket and seat ring), DN50, kvs 40	ASV-PA-7-40
	Plug assembly (incl. body gasket and seat ring), DN65, kvs 63	ASV-PA-7-63
	Plug assembly (incl. body gasket and seat ring), DN80, kvs 100	ASV-PA-7-100
	Plug assembly (incl. body gasket and seat ring), DN100, kvs 160	ASV-PA-7-160
	Seat ring DN65, kvs 63	ASV-SR-2
	Seat ring DN80, kvs 100	ASV-SR-1