HAWLE Valve Flanged Ends E2

 1/2 Body ?1? and bonnet ?2? of ductile iron EN-GJS-400-18 according to EN 1563 (GGG 400 -DIN 1693) inside and outside epoxy powder coated according to DIN 30677-T2 in accordance with DIN 3476 and all quality and test requirements of RAL quality mark 662 (CSK -Gutegemeinschaft Schwerer Korrosionsschutz the association for high quality corrosion protection? 

 

3 Stainless steel spindle St 1.4021, with rolled thread 

 

4 Wedge of ductije iron EN-GJS-400-18 according to EN 1563 GGG 400 -DIN 1693), inside and outside fully rubberized with vulcanized elastomer -DIN 3535, with drain hole 

 

5 Wedge guide of wear resistant plastic with high gliding features; optimally placed design guarantees lowest wear and tear and lowest closing torques 

 

6 Wedge nut of dezincification resistant brass CuZn36Pb3As, generous oversizing of the required thread length in the wedge nut according to prEN 1171 guarantees highest possible breaking torques 

 

7 O ring bush of Ms 58 

 

8 O rings of elastomer -DIN 3535, embedded in non-corrosive material (according to DIN 3547-T1l and replaceable under pressure (according to ISO 7259) 

 

9 Back seal of elastomer -DIN 3535 

 

10 Circlip of POM 

 

11 Wiper ring of elastomer 

 

12 Bonnet gasket of elastomer -DIN 3535 

 

13 Allen screws St 8.8 DIN 912 absolutely corrosion protected by being sunk into the body and sealed. and by passing through bonnet gasket 

 

14 Edge protecting ring of PE avoids damages during transport and storage 

 

15 Friction washers of POM guarantee smooth spindle guiding 

Flanges according to EN 1092-2 (DIN 28605), drilled to DIN 2501-PN10 ?standard); 

For DIN 2501-PN 16 in size of DN 200 mm please specify on order – other standards on request !