271 series

271 series

271 series

Product catalog summary
Main Features
  • Sizes range from DN 16 to 160 mm (⅝" to 6").
  • Available with manual or pneumatic actuators.
  • Body materials include aluminum or stainless steel.
  • Feedthrough bellows with intermediate pumping port.
  • Standard flanges include weld neck, ISO-KF / ISO-K, or customized options.
Functional Principle

The angle valve is designed for processes involving aggressive and corrosive gases and is subject to the Non-Proliferation Treaty (NPT).

Technical Data
  • Leak rate: Valve body < 1 · 10-9 mbar ls-1, Valve seat < 1 · 10-7 mbar ls-1.
  • Pressure range: 1 · 10-7 mbar to 4 bar (abs).
  • Differential pressure on the plate: ≤ 4 bar.
  • Differential pressure at opening: ≤ 1 bar.
  • Cycles until first service: 5000.
  • Temperature limits vary based on materials and conditions, up to 120°C.
  • Materials include aluminum EN AW-5049, EN AW-6082, and stainless steel AISI 316L.
  • Seal materials vary by body type and size.
  • Mounting position is flexible.
  • Solenoid valve operates at 24 V DC.
  • Position indicator voltage: 5 – 50 V AC/DC, current: 5 – 100 mA.
Ordering Information

Valves are available with manual or pneumatic actuators, with various configurations for different sizes and materials. Specific ordering numbers are provided for each configuration.

Options and Customized Solutions
  • Manual actuator with torque handwheel or electrical position indicator.
  • Pneumatic actuator with opening spring (NO).
  • Customer-specified flanges and inline versions available.
  • Other options available upon request.
Dimensions

Dimensions are available upon request.

See more

Catalog excerpts

271 series-1

ANGLE VALVE FOR CHEMISTRY, SERIES 27.1 ANGLE VALVE FOR CHEMISTRY, SERIES 27.1 The isolation angle valve for processes with aggressive and corrosive gases. These products are subject to the Non Proliferation Treaty (NPT). Robust design Reliable, for long term use Maintenance-free Manual with weld neck Pneumatic with ISO-KF flange MAIN FEATURES Sizes manual with hexagon head pneumatic: single acting with closing spring (NC) Body material aluminum or stainless steel bellows with intermediate pumping port Standard flanges weld neck, ISO-KF / ISO-K, or customized FUNCTIONAL PRINCIPLE 1 Plate seal 2 Bonnet seal 3 Bellows 4 Intermediate pumping port 5 Shaft seal  Valve seat side

 Open the catalog to page 1
271 series-2

ANGLE VALVE FOR CHEMISTRY, SERIES 27.1 TECHNICAL DATA Leak rate Pressure range Differential pressure on the plate Differential pressure at opening Cycles until first service Temperature 1) Valve body Valve seat Valve body with copper bonnet seal Valve body with PFA bonnet seal Manual and pneumatic actuator Aluminum valve body Stainless steel valve body Bellows Bonnet (aluminum body) Bonnet (stainless steel body) Plate Feedthrough Mounting position Solenoid valve Position indicator: contact rating Voltage Current Valve position indication 1) Maximum values: depending on operating conditions and...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.