Buerkert Type 0290 Servo-assisted 2/2-way diaphragm valve (304642)

Name: Buerkert Type 0290 Servo-assisted 2/2-way diaphragm valve (304642)
Brand: Bürkert
SKU: N-BUR.304642
Price: 325.80 EUR
Availability: InStock

Item No.: N-BUR.304642

HAN: 304642

325,80 €

excl. 19% VAT (Paket)

Available

Delivery time: ca. 4 weeks Other countries

Valve function: A - normally closed - inlet port 1 (P/NC) | Main valve orifice 1 (P) (mm): 12 mm | Main valve wetted material: Stainless steel | Seat seal material: EPDM (Ethylene-propylene-diene rubber) | Port connection 1 thread marking: 1/2 | Voltage min / rated voltage: 110 V | Electrical connection sort: Plug pattern form A according to DIN EN 175301-803 | Kv value (water): 1,8 m3/h More product details

Product Information

Dimensions and Weight
Item information	Value
Category:	Type 0290 Servo-assisted 2/2-way diaphragm valve
Seat seal material:	EPDM (Ethylene-propylene-diene rubber)
Valve function:	A - normally closed - inlet port 1 (P/NC)
Kv value (water):	1,8 m3/h
Electrical connection sort:	Plug pattern form A according to DIN EN 175301-803
Main valve orifice 1 (P) (mm):	12 mm
Main valve wetted material:	Stainless steel
Voltage min / rated voltage:	110 V
Port connection 1 thread marking:	1/2
Item weight:	1,00 kg

Product Description

Servo-assisted 2/2-way diaphragm valve

Diaphragm valve Type 0290 from Buerkert: Particularly gentle switching, Available in various body & diaphragm materials, Order now!.

Technical data

Valve & function (10)

Type	0290
Operation	force-controlled
Actuator type	Plunger valve
Main valve operating principle	Diaphragm valve
Switch function	on/off
Media separation	No
Valve function	A - normally closed - inlet port 1 (P/NC)
Valve function number of switching positions	2
Valve construction	Valve complete
Flow	Above seat

Pilot control (2)

Pilot control orifice (mm)	1,5 mm
Pilot control seal material	EPDM (Ethylene-propylene-diene rubber)

Manual override (1)

Manual actuation	No

Performance data (13)

Nominal pressure min	0 bar
Nominal pressure max (liquid)	16 bar
Main valve orifice 1 (P) (mm)	12 mm
Main valve orifice 1 (inch)	7/16 inch
Kv value (water)	1,8 m3/h
QNn value (gas)	1.900 l/min
Installation length	74,5 mm
Switch time open min	100 ms
Switch time open max.	250 ms
Switch time close min	700 ms
Switch time close max.	2.000 ms
Valve setting opening time	No
Valve setting closing time	No

Fluid connections (7)

Fluidic port connection number	2
Port connection 1 type	Internal thread
Port connection 1 thread type	NPT
Port connection 1 thread marking	1/2
Port connection 2 type	Internal thread
Port connection 2 thread type	NPT
Port connection 2 thread marking	1/2

Materials (7)

Main valve wetted material	Stainless steel
Medium-contacting part core material	Stainless steel
Medium-contacting part stopper material	Stainless steel
Seat seal material category	Elastomers
Seat seal material	EPDM (Ethylene-propylene-diene rubber)
Sealing toward outside material	EPDM (Ethylene-propylene-diene rubber)
Valve body cover material	Stainless steel

Temperature & protection (4)

Temperature environment max	55 °C
Temperature medium min	-30 °C
Temperature medium max	90 °C
Protection type IP (max. with suitable connector)	IP65

Electrical data (15)

Voltage min / rated voltage	110 V
Voltage max / rated voltage	120 V
Voltage tolerance negative	10 %
Voltage tolerance positive	10 %
Voltage frequency 1	50/60 Hz
AC voltage	Yes
DC voltage	Yes
Battery voltage	Yes
Rated power DC	120 W
Reduced power DC	8,5 W
Rated power consumption	120 W
inrush power consumption AC	120 V·A
Rated power AC	8,5 V·A
Thermal insulation class of the actuator	H
Nominal operation/Duty cycle	100 %

Electrical connection (3)

Electrical connection sort	Plug pattern form A according to DIN EN 175301-803
Electrical connection number of contacts	2 + Grounding conductor
Electrical connection position	in direction of flow left

Solenoid coil (8)

Coil type	block bolted
Coil size	40 mm
Coil insulation material (encasement)	Epoxy
Coil wiring overvoltage protection	Suppressor diode
Coil wiring rectifier	Yes
Coil wiring polarity protection	Yes
Coil wiring polarity recovery diode	Yes
Kick and Drop coil	Energy saving technology included

Versions & options (7)

Back-pressure-resistant version	No
Vacuum version	Yes
Analysis version	No
Oil burner valve	No
Steam version	No
Low-noise version	No
Main valve with integrated screen	No

Approvals (2)

Approval type	UL
Certification type	cURus Recognized, UR Component

Shipping & customs (4)

Weight	1,000 kg
Customs tariff number	84818079
Country of origin	Germany
Export	Not subject to export licensing

Product benefits

Servo-assisted diaphragm valve up to DN 50
Fix-coupled diaphragm opens without differential pressure
Vibration-proof, block screwed coil system
Energy-saving power reduction for all DC variants

Your Benefits With Us

Worldwide shipping of all valves and flow meters
Large stock levels for many products – current lead time available on request
Spare parts and service kits available
Fast shipping via UPS (parcel) or freight forwarder (pallets), express delivery available on request
Extensive hands-on application know-how
Personal advice on selecting the right component
Resellers receive volume-based discounts on request
Large companies, public authorities and government agencies can order on account (request via our contact form)

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Question about item

Manufacturer according to GPSR
Christian Bürkert GmbH & Co. KG, Christian-Bürkert-Straße 13-17, 74653 Ingelfingen, Baden-Württemberg, Deutschland, [email protected], https://www.buerkert.de

Buerkert Type 0290 Servo-assisted 2/2-way diaphragm valve (304642)

Dimensions and Weight