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DE/DI, 2-Way Threaded Linear Valves, PN16

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Product Description
Technical Properties

Product Description

Single seated control or shut-off 2-way linear valve for hot water and chilled water and saturated steam (for valves with stainless steel plug) and superheated steam (for valves with stainless steel plug) in heating, ventilation, air conditioning systems and open circuits. Operated by electric linear actuators series ML64... and ML74...

Technical Properties

Action to open	stem down
Materials	Valve body made of brass and stem made of stainless steel
Features	Brass body with external threaded end connections (type DE) Brass body with internal threaded end connections (type DI) Low seat leakage rate Self-adjusting packing Accurate positioning to ensure state-of-the-art temperature control Constant total flow throughout full plug travel

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Products

Product Type	Valve type	Medium type	Media temp.	Flow char.	DN size	Kvs value	Stroke	Pipe connection	Additional description	Nominal pressure	Port connection
Valve with external threads (DE)
DE15B0.63	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	0.63	20 mm	External threads	-	PN16	internal threads ISO228
DE15B1.0	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	1	20 mm	External threads	-	PN16	internal threads ISO228
DE15B1.6	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	1.6	20 mm	External threads	-	PN16	internal threads ISO228
DE15B2.5	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	2.5	20 mm	External threads	-	PN16	internal threads ISO228
DE15B4.0	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	4	20 mm	External threads	-	PN16	internal threads ISO228
DE20B6.3	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	20 mm	6.3	20 mm	External threads	-	PN16	internal threads ISO228
DE25B10	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	25 mm	10	20 mm	External threads	-	PN16	internal threads ISO228
DE32B16	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	32 mm	16	20 mm	External threads	-	PN16	internal threads ISO228
DE40B25	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	40 mm	25	20 mm	External threads	-	PN16	internal threads ISO228
DE50B40	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	50 mm	40	20 mm	External threads	-	PN16	internal threads ISO228
Valve with internal threads (DI)
DI15B0.63	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	0.63	20 mm	Internal threads	-	PN16	internal threads ISO228
DI15B1.0	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	1	20 mm	Internal threads	-	PN16	internal threads ISO228
DI15B1.6	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	1.6	20 mm	External threads	-	PN16	internal threads ISO228
DI15B2.5	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	2.5	20 mm	Internal threads	-	PN16	internal threads ISO228
DI15B4.0	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	4	20 mm	Internal threads	-	PN16	internal threads ISO228
DI20B6.3	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	20 mm	6.3	20 mm	Internal threads	-	PN16	internal threads ISO228
DI25B10	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	25 mm	10	20 mm	Internal threads	-	PN16	internal threads ISO228
DI32B16	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	32 mm	16	20 mm	Internal threads	-	PN16	internal threads ISO228
DI40B25	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	40 mm	25	20 mm	Internal threads	-	PN16	internal threads ISO228
DI50B40	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	50 mm	40	20 mm	Internal threads	-	PN16	internal threads ISO228
DI15B0.63SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	0.63	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228
DI15B1.0SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	1	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228
DI15B1.6SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	1	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228
DI15B2.5SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	2.5	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228
DI15B4.0SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	15 mm	4	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228
DI20B6.3SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	20 mm	6.3	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228
DI25B10SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	25 mm	10	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228
DI32B16SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	32 mm	16	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228
DI40B25SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	40 mm	25	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228
DI50B40SS	2-way linear valve	water or water-glycol mixture according to VDI 2035	2 ... 170 ^oC	mod.equal%	50 mm	40	20 mm	Internal threads	Stainless plug	PN16	internal threads ISO228

Accessories and replacement parts

Accessories

Image	Description	Product Type	Downloads
	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: 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 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, 20 mm effective stroke, 1800N, 230 V AC, 114 s	ML6421A3013
	Actuator modulating 0/2 ... 10 V, 20 mm effective stroke, 1800N, 24 V AC, 114 s	ML7421A3004
	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 direct, 24V AC, 108 s	ML6425A3006
	Actuator 3-point / floating (spring return), 20 mm effective stroke, 600N, spring return reverse,230 V AC, 108 s	ML6425B3021
	Actuator 3-point / floating (spring return), 20 mm effective stroke, 600N, spring return reverse,24 V AC, 108 s	ML6425B3005
	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

Only for DE (Flat connection set consisting of 1 union nut, 1 tailpiece, 1 gasket)

Image	Description	Product Type	Downloads
	Flat connection set DN15	ASV-CS-15-I-F
	Flat connection set DN20	ASV-CS-20-I-F
	Flat connection set DN25	ASV-CS-25-I-F
	Flat connection set DN32	ASV-CS-32-I-F
	Flat connection set DN40	ASV-CS-40-I-F
	Flat connection set DN50	ASV-CS-50-I-F

Spare Parts

Image	Description	Product Type	Downloads
	Stem button assy, DN15 - DN50	ASV-SBA-1
	Packing nut, DN15 - DN50	ASV-PN-7
	Packing, DN15 - DN50	ASV-PAC-2