Pneumatically operated 2/2 way diaphragm valve CLASSIC with stainless steel body

Type 2031 / Ident No. 276470

The depiction of the products may differ from the actual specific design.

2/2-way-piston-operated diaphragm valve

Flow optimized and deadleg free bodies
Hermetical separation of fluids from the operating mechanism by diaphragm

For selecting the correct product please refer to the technical data, images and notes for proper use according to the data sheet.

Product description

Pilot controlled diaphragm valve with pneumatically operated piston actuator and valve body from cold-formed stainless steel pipe. Actuator from PA or PPS.

Commodity Codes: 84818087
Country: DE

Technical attributes

Name	Value	Unit
Type	2031
Product sub-group	On/off valves
Main valve operating principle	Diaphragm valve
Valve piloting type	Pneumatic
Valve construction	Valve complete
Actuator version	Classic
Control function	A - normally closed (NC)
Valve function number of switching positions	2
Actuator size	63	mm
Actuator material	PA (Polyamide)
Control air connection material	Stainless steel
Control air connection type	Internal thread
Control air connection thread type	G
Control air connection diameter (inch)	1/4 inch
Control air connection position	90° to direction of line
Control air hole diameter	3	mm
O-ring between cover and bush	No
Position monitoring via magnetic piston	No
Valve function manual actuation	No
Additional manual actuation included	No
Body nominal size	20	mm
Body nominal size (IN)	3/4 inch
Diaphragm coupling	Bayonet
Seat seal / diaphragm material	PTFE with EPDM support back
Fluidic port connection number	2
Valve body material category	Metals
Valve body material	Stainless steel
Valve raw body manufacture	cast
Manufacturer´s test certificate 3.1 included	No
Valve body surface treatment internal	mechanically treated
Valve body surface treatment external	untreated
Surface finish internal	RA 1,6 µm
Port connection 1 size DN	DN 20
Port connection 1 type	Inner thread
Port connection 1 thread type	G
Port connection 1 thread marking	3/4
Port connection 2 size DN	DN 20
Port connection 2 type	Inner thread
Port connection 2 thread type	G
Port connection 2 thread marking	3/4
Installation length	80	mm
Nominal pressure min	0	bar
Nominal pressure max	5	bar
Control pressure min	5,5	bar
Control pressure max	10	bar
Temperature environment min	-10	°C
Temperature environment max	60	°C
Temperature medium min	-10	°C
Temperature medium max	100	°C
Kv value (water)	10,5	m3/h
Nominal pressure (DIN EN 1333)	PN 16
Nominal Pressure (DIN EN 1759)	Class 150
CIP capable	Yes
SIP capable	Yes
Piston seal material	NBR (Nitrile rubber)
Weight	1,350000	kg
Approval type	IECEx, ATEX
Certification type	Ex h IIIC T135°C Db, II 2 G Ex h IIC T4 Gb, Ex h IIC T4 Gb, II 2 D Ex h IIIC T135°C Db

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Applications & Tools

Sizing Tools

Downloads

Data Sheets

Description	Filesize	Language / Country
Type 2031 data sheet \| pneumatically operated diaphragm valve with INOX actuator	865 kB	EN / EU
Type 2031 data sheet \| pneumatically operated diaphragm valve with cast body	2 MB	EN / EU
Type 2031 data sheet \| pneumatically operated diaphragm valve with cold formed body K (VA)	2 MB	EN / EU
Type 2031 data sheet \| pneumatically operated diaphragm valve with forged body	2 MB	EN / EU
Type 2031 data sheet \| pneumatically operated diaphragm valve with tube valve body TVB(VP)	1 MB	EN / EU
Type 2031 data sheet \| pneumatically operated, compact diaphragm valve	502 kB	EN / EU
Type 2XXX data sheet \| accessory for pneumatic acutators CLASSIC and ELEMENT	797 kB	EN / EU
Tipo 2000 hoja de datos \| accesorios para válvula de asiento inclinado	1 MB	ES / ES
Tipo 2031 folha de dados \| válvula de membrana de acionamento pneumático	830 kB	PT / BR
Tipo 2031 hoja de datos \| válvula de membrana [cuerpo de laválvula forjado]	625 kB	ES / ES
Typ 2031 Datenblatt \| pneumatisch betätigtes Membranventil mit Feingussgehäuse	2 MB	DE / DE
Typ 2031 Datenblatt \| pneumatisch betätigtes Membranventil mit INOX-Antrieb	860 kB	DE / DE
Typ 2031 Datenblatt \| pneumatisch betätigtes Membranventil mit Rohrumformgehäuse TVB (VP)	2 MB	DE / DE
Typ 2031 Datenblatt \| pneumatisch betätigtes Membranventil mit Schmiedegehäuse	2 MB	DE / DE
Typ 2031 Datenblatt \| pneumatisch betätigtes Membranventil mit kaltumgef. Gehäuse K (VA)	2 MB	DE / DE
Typ 2031 Datenblatt \| pneumatisch betätigtes, kompaktes Membranventil	421 kB	DE / DE
Typ 2XXX Datenblatt \| Zubehör für pneumatische Antriebe CLASSIC und ELEMENT	805 kB	DE / DE
Type 2031 fiche technique \| vanne pneumatique à membrane avec actionneur en inox	1 MB	FR / FR
类型 2031 参数表 \| 二位二通隔膜阀，锻造阀体，焊接端和卡箍连接，端口连接 DN8 — 100	2 MB	ZH / CN
类型 2031 铸造阀门参数表 \| 二位二通隔膜阀，铸造阀体，焊接端和卡箍连接，端口连接 DN4 — 50	2 MB	ZH / CN

User Manuals

Description	Filesize	Language / Country
Additional manual Type 2031 \| PE05 Removing the pressure piece from diaphragm valves	847 kB	EN,FR,DE / EU
Additional manual Type xxxx \|PX51 use in the potentially explosive area Category 2	273 kB	EN,FR,DE / EU
OnOff position feedback	2 MB	EN,FR,DE / EU
Operating Instructions Type 2030 203X \| Piston-operated diaphragm valve, DN65 ? DN100	2 MB	EN,FR,DE / EU
Operating Instructions Type 2030 203X \| Piston-operated diaphragm valve, DN8 ? DN65	2 MB	EN / EU
Quickstart Type 2030 203X \| Piston operated diaphragm valve, diameter DN65 - DN100	2 MB	EN,FR,DE / EU
Quickstart Type 2030 203X \| Piston operated diaphragm valves, Diameter DN8 - DN65	1 MB	EN / EU
Quickstart Type 2031 \| INOX 2/2-way diaphragm valve	928 kB	EN / EU
Service manual Type 2000 2002 2012 203X \| Stroke limitation	2 MB	EN,FR,DE / EU
Service manual Type 2030 203X \| Replacement of seal set / Conversion of control function	2 MB	EN / EU
Bedienungsanleitung Typ 2030 203X \| Kolbengesteuerte Membranventile, Nennweiten DN8 - DN65	2 MB	DE / DE
Manual de usuario Tipo 2030 \| Cabezal de control [DN65-DN80-DN100]	296 kB	ES / ES
Manual de usuario Tipo 2030 \| Cabezal de control [DN8-DN65]	364 kB	ES / ES
Manuel d'utilisation Type 2030 203X \| Vannes à membrane, diamètre nominale DN8 ? DN65	2 MB	FR / FR
Manuel de service Type 2030 2031 2032 2033 2037 \| Replacement of the seal set	2 MB	FR / FR
Návod k obsluze Typ 2030, 2031, 2031 K, 2032, 2033, 2037 \| Membránové ventily s pístovým	2 MB	CS / CZ
Quickstart Typ 2030 203X \| Kolbengesteuerte Membranventile,Nennweiten DN8 - DN65	992 kB	DE / DE
Quickstart Typ 2031 \| INOX 2/2-Wege-Membranventil	931 kB	DE / DE
Quickstart Type 2030 203X \| Vanne à membrane commandée par pistion, DN8 - DN65	1 MB	FR / FR
Quickstart Type 2031 \| INOX Vanne à membrane 2/2 voies	919 kB	FR / FR
Serviceanleitung Typ 2030 2031 2032 2033 2037 \| Wechsel vonDichtungssätzen	2 MB	DE / DE
使用说明 2030、2031、2031 K、2032、2033、2037 型 \| 活塞控制隔膜阀，驱动器尺寸 40-125 mm，标称直径	2 MB	ZH / CN

EU Declaration of Conformity

	Description	Filesize	Language / Country
	EU-DoC\|EU Declaration	2 MB	EN,FR,DE

Flyers and Catalogues

Description	Filesize	Language / Country
Product Overview Process and Control Valves	3 MB	EN / EU
Advantages Tube Valve Body	154 kB	EN / EU
Diaphragm competence for hygienic applications	1 MB	EN / EU
On/Off and Control Valves	1 MB	EN / EU

Spare Parts

Position	Article Number	Description
01	11440	Sealing part set actuator PA ANTG E
02	677676	Diaphragm DN20 PTFE/EPDM packed