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Check valve zCHE Fig.408

Check valve zCHE Fig.408
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Check valve zCHE Fig.408

Product catalog summary

Product Overview

The document details the specifications and features of the ZETKAMA 408 check valve designed for water supply systems. It is a flanged, straight form valve with nominal diameters ranging from DN 50 to DN 250. The valve is constructed primarily from grey cast iron (EN-GJL-250) and is rated for a nominal pressure of 16 bar and a maximum operating temperature of 70°C.

Key Features

  • Installation possible in all positions
  • Low head losses ensuring efficient flow
  • Maintenance-free design
  • Prevents backflow and contamination in supply systems
  • Equipped with a backflow preventer meeting class EA standards
  • Easy installation and maintenance

Materials

The valve body is made of grey cast iron (EN-GJL-250). Internal components vary by nominal diameter:

  • Guides for DN 50-100 and DN 125-250 are made from brass (G/CuZn40Pb2) and cast iron respectively.
  • Closing systems and guiding stems use brass and stainless steel (AISI 302 and optionally AISI 316) depending on size.
  • Seals are made from NBR (nitrile rubber).
  • Drain plugs include O-ring seals for leak prevention.

Dimensions and Hydraulic Characteristics

The document provides detailed dimensional data for each nominal diameter, including flange dimensions (A and C), valve weight, and Kv values (flow coefficients). For example, DN 50 has a Kv of 5.6 m³/h and weighs 9.8 kg, while DN 250 has a Kv of 81.4 m³/h and weighs 1620 kg. These parameters are critical for system design and hydraulic calculations.

Ordering Information

Ordering codes follow a structured format combining the product figure number (408), body material code (A for grey cast iron), nominal diameter (e.g., 050 for DN 50), and type code (C for PN16 pressure rating). An example order code is 408 A 050 C 53, representing a grey cast iron check valve, DN 50, PN16, with stainless steel spring and AISI 316 trim material.

Additional Notes

  • Data is subject to change without notice.
  • Valve includes a 1/4” female valve for drainage.
  • Spring components are stainless steel for corrosion resistance.

This document serves as a comprehensive technical reference for engineers and procurement specialists specifying or ordering ZETKAMA 408 check valves for water supply applications.

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Catalog excerpts

Check valve zCHE Fig.408-1

ends form flanged straight CHECK VALVE zCHE body material nominal pressure nominal diameter A grey cast iron FEATURES allows installation in all positions low head losses no maintenance prevents potentially contaminated fluid polluting in the supply system easy to install and to maintain valve has a back flow preventrer features class EA APPLICATION water supply system Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 1/5

 Open the catalog to page 1
Check valve zCHE Fig.408-2

Data given can be changed without notice. ZETKAMA Sp. z o.o. tel. +48 74 8652 174 e-mail [email protected]

 Open the catalog to page 2
Check valve zCHE Fig.408-3

ends form flanged straight Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 3/5

 Open the catalog to page 3
Check valve zCHE Fig.408-4

ends form flanged straight HYDRAULIC CHARACTERISTICS Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com 4/5

 Open the catalog to page 4
Check valve zCHE Fig.408-5

ends form flanged straight body material grey cast iron EN-GJL-250 53 spring - stainless steel trim material- AISI 316 with valves 1/4” F ORDERING To place an order please use our product number (index) body material ORDER EXAMPLE check valve , ends flanged, form straight grey cast iron EN-GJL-250 spring - stainless steel trim material - AISI 316 with valves 1/4” F Data given can be changed without notice. ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia e-mail [email protected] www.zetkama.com

 Open the catalog to page 5

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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.