Country and language selection

International websites

ksb.com (English)           ksb.com (Deutsch)

Europe

Americas / Oceania

Africa and Middle East

Asia / Pacific

SISTO-16TWA Diaphragm valve
Diaphragm valve

SISTO-16TWA

Diaphragm valve to DIN/EN with flanged ends, for drinking water installations to DIN 1988, DIN-DVGW-approved for water acc. to test W 270, in compliance with the latest German Environment Agency guideline; shut-off and sealing to atmosphere by completely enclosed and spiral-supported SISTOMaXX diaphragm; position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm. Maintenance-free.
See all documents and downloads

Main Applications

  • Pressure boosting
  • Fire-fighting systems
  • Domestic water supply
  • Air-conditioning systems
Show all applications

Technical Data

  • Nominal pressurePN 16
  • Max. nominal sizeDN 200
  • Max. allowed fluid temperature90 °C

Benefits

  • Reliable sealing ensured by one single sealing element (the diaphragm), which provides hermetic sealing to atmosphere and absolutely tight shut-off. The specially enclosed diaphragm ensures long service life and high operating reliability.
  • Increased functional reliability of the diaphragm thanks to balanced diaphragm suspension
  • Maintenance-free as all moving parts are separated from the fluid by the diaphragm.

Certificates

  • S43A_20384585099-1_1

Material number list – SISTO-16TWA

12 products
NameNominal pressureNominal size InletWeightMaterial numberPrice
SISTO-16TWA 1.4409-SISTOMaXX DN10026.1 KilogramM232A059
upon request
SISTO-16TWA 1.4409-SISTOMaXX DN12544 KilogramM232A060
upon request
SISTO-16TWA 1.4409-SISTOMaXX DN151.9 KilogramM232A051
upon request
SISTO-16TWA 1.4409-SISTOMaXX DN15082 KilogramM232A061
upon request
SISTO-16TWA 1.4409-SISTOMaXX DN202.6 KilogramM232A052
upon request

Documents

TitleFormatSizeLast change
Operating Manual (0570.821_EN)PDF4.054/19/2021
TitleFormatSizeLast change
Type series booklet SISTO-16TWA (8635.33_EN)PDF0.654/19/2021

Technical Data

  • FunctionShut off/control flow
  • Connection typeFlange
  • Design concept DriveWith handwheel
  • Casing materialEN-GJL-250, GX2CRNIMO19-11-2
  • Nominal pressurePN 16
  • Max. nominal sizeDN 200
  • Min. nominal sizeDN 15
  • Max. allowed fluid temperature90 °C
  • Min. allowed fluid temperature-10 °C

KSB - one of the world's leading manufacturers of industrial valves and pumps

Founded in 1871 in Frankenthal (Germany), KSB has been one of the leading suppliers of pumps and industrial valves for over 150 years. With more than 15,000 employees worldwide and its own sales and marketing, manufacturing facilities and service operations, KSB develops and produces custom-fit pumps for various applications.

As an experienced pump manufacturer, its product portfolio includes building and industrial technology, water transport, wastewater treatment and power plant processes. Thanks to innovative research and development, KSB can meet the most diverse requirements of customers. Benefit from many years of experience and technical expertise as a renowned pump manufacturer.

KSB pump manufacturers: the best solution for your plant
Industrial pumps and valves from KSB cover a wide range of applications and are highly energy-efficient. Products convince with the most innovative technology as well as with systems that have been tried and tested for many years - including the Etanorm water pump. Achieving more than 1.5 million sales worldwide, Etanorm is the most successful standard water pump. With KSB spare parts and services.

KSB ensures the operational reliability of its industrial pumps and valves. The KSB success formula for high-performance pumps lies in the technological strength in hydraulics, materials and automation.

Competent service right from the start
The numerous production facilities ensure that KSB as a pump manufacturer can guarantee customer proximity and first-class service. The experienced specialists are certified to ensure excellent quality and extensive experience. KSB Service takes care of the commissioning, inspection, servicing and maintenance of your pumps, valves and complete systems directly on site.  KSB also provide you with spare parts quickly. This means you get the best service directly from your pump manufacturer.