Type 2731 - 2/2-way – diaphragm valve with pneumatic position-actuator in plastic ( Type Classic )

Specific products may differ slightly from the general images shown.

Please consider the technical attributes.

Type Description

The externally controlled diaphragm valve type 2731 consists of a pneumatically operated piston actuator, a bult-in positioner,a diaphragm and a 2-way valve housing. The proven and robust actuator with plastic housing ensures use under hygienic or aggressive environmental conditions. The flow-efficient valve housing with little dead space enable high flow rates and a wide range of possible uses. The valve housing and the diaphragm are available in all common materials and designs. The actuator has a compact, autoclavable design (PPS version). The integration of automation units Top Control 8692/8693/8694 Side Control 8635/8792/8793 is possible in all expansion stages (can be retrofitted). An explosion-proof ATEX / IECEx device variant is available. The add-on housing is optionally available in plastic or stainless steel. The actuator is equipped with an integrated, optical position indicator as standard, optionally a min./max. stroke limitation can be installed.

Valve housing and diaphragm available in various materials and designs
Surfaces in contact with the product from Ra ≤ 0.38 µm...1.6 µm (optionally electropolished)
Available in all common connection sizes and variants

To help select the correct product please refer to the technical data, images and notes for proper use found in the data sheet.

Can be combined with

Type 8692

Digital electro-pneumatic positioner for...

Type 8693

Digital electro-pneumatic process controller...

Type 8694

Digital electropneumatic positioner for the...

Type 8635

Digital electropneumatic Positioner SideControl

Type 8792

Digital electro-pneumatic positioner:...

Type 8793

Digital electro-pneumatic Process Controller,...

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Applications & Tools

Downloads

Data Sheets

Description	Filesize	Language / Country
Type 2730_31 data sheet \| 2/2-way diaphragm valve with pneumatic position-actuator	2 MB	EN / EU
Type 273X data sheet \| Flow-rate curves for diaphragm valves Type 273X	2 MB	EN / EU
Typ 2730_31 Datenblatt \| 2/2-Wege-Membranventil mit pneumatiischen Stellungsregel-Antrieb	2 MB	DE / DE
Typ 273X Datenblatt \| Durchflusskennlinien Membranventile Typ 273X	2 MB	DE / DE
数据表 \| 2730 型_31 \| 带有 CLASSIC 调节驱动器的气动隔膜阀 \| 带气动位置调节驱动器的二位二通隔膜阀（CLASSIC 型）	3 MB	ZH / CN
資料表 \| 2730 型_31 \| 連 CLASSIC 調節驅動器的氣動隔膜閥 \| 連氣動定位驅動器的二位二通隔膜閥（Classic 型）	3 MB	ZH / HK

User Manuals

Description	Filesize	Language / Country
Additional manual Type 2xxx 3xxx \| Angles for self-draining of diaphragm valves	667 kB	EN / EU
Additional manual Type xxxx \|PX51 use in the potentially explosive area Category 2	273 kB	EN,FR,DE / EU
Operating Instructions Type 2730 2731 \| Piston controlled diaphragm valve, DN15 - DN50	1 MB	EN / EU
Operating Instructions Type 2730 2731 \| Piston controlled diaphragm valve, DN65 - DN100	3 MB	EN,FR,DE / EU
Bedienungsanleitung Typ 2730 2731 \| Kolbengesteuertes Membranregelventil DN15 - DN50	1 MB	DE / DE
Manuel d'utilisation Type 2730 2731 \| Vanne de régulation àmembrane, DN15 - DN50	1 MB	FR / FR
Manuel supplémentaire Type 2xxx 3xxx \| Angle de vidange automatique des vannes à membrane	657 kB	FR / FR
Zusatzanleitung Typ 2xxx 3xxx\| Winkelangaben zur Selbstentleerung von Membranventilen	664 kB	DE / DE

Declaration of Conformity

	Description	Filesize	Language / Country
	EU-DoC\|EU Declaration	44 kB	EN,FR,DE

EU Material Compliance

Description	Filesize	Language / Country
EU-DoC\|EU Material Compliance	229 kB	EN
EU-DoC\|EU Material Compliance	667 kB	DE
EU-DoC\|EU Material Compliance	34 kB	FR

Flyers and Catalogues

	Description	Filesize	Language / Country
	Product Overview Process and Control Valves	4 MB	EN / EU

Videos

	Description	Filesize	Language / Country
	How to replace Buerkert Diaphragms DN15-DN100	22 MB	EN / EU
	Videoanleitung Buerkert Membranwechsel DN15-DN100	22 MB	DE / DE