Prokosch - Pumpen und Armaturen GmbH
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Order Code

Type No.

Nominal Width

Material Combination

SO=Prepared for Drive Setup

FA=Free Runout (Jam-Free Design)

Order Code

Table of Material Combinations

 No. Body+Flanges Ball Liners O-rings
   1 Gray Cast Iron Gray Cast Iron³ Teflon¹ Viton
   2 Gray Cast Iron Gray Cast Iron³ Teflon² Buna-N
   3 Aluminium Alloy Gray Cast Iron³ Teflon¹ Viton
   4 Aluminium Alloy Gray Cast Iron³ Teflon² Buna-N
   5 Aluminium Alloy Aluminium Alloy Teflon² Buna-N
   6 Gray Cast Iron Stainless Steel Teflon¹ Viton
   7 Gray Cast Iron Stainless Steel Teflon² Buna-N
   8 Aluminium Alloy Stainless Steel Teflon¹ Viton
   9 Aluminium Alloy Stainless Steel Teflon² Buna-N
 10 Gray Cast Iron Stainless Steel Stainless Steel Viton

1="Special casing" design with backup ring  2="O-ring spring mounted" design  3=Hard chrome plated

Example:
Metallic-sealed flange ball valve prepared for drive setup and free runout using DIN flanges (400 series) in nominal width 65: 400/65/10/SO/FA

The Teflon/buna-N design is spring-mounted with an O-ring and particularly suitable for granular or powdered media. For use with high temperatures, this model is also available with Viton O-rings.

The stainless steel/Viton design is spring-mounted with an O-ring and particularly suitable for abrasive, granular and powdered media.
 

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