Serie GAS
BUTTERFLY VALVES, concentric, mounted between flanges
Nominal diameter: DN 32 – DN 1600
Max. permissible operating pressure: 6 bar
Nominal pressure: PN 10, PN 16
Temperatures: -25°C to +60°C
Features:
• Available as wafer & lug type design
• Face to face dimensions according: | EN 558 Series 20 (DIN 3202 T3 K1) | |
ISO 5752 Series 20 | ||
API 609 Table 1 | ||
EN 593 | ||
• Installation between flanges according: | EN 1092 - 1, 2 | |
ANSI B 16.5, Class 150 | ||
BS 10 Table D und E | ||
• Counter flange sealing face according: | EN 1092 - 1, 2 | |
ANSI RF | ||
• ISO TOP flange according: | EN ISO 5211 | |
NF E 29-402 | ||
• Marking: | EN 19 | |
• Leak test according: | EN 12266 | |
ISO 5208, Kategorie 3 | ||
API 598 Table 5 | ||
ANSI / FC 70-2-2006 Class VI | ||
Materials | ||
• Body: | Ductile iron EN-GJS-400-15 (GGG40), epoxy coated | |
Cast iron EN-GJL-250 (GG-25), epoxy coated | ||
• Disc: | Brass | |
Ductile iron EN-GJS-400-15 (GGG40), epoxy coated | ||
Stainless steel DIN 1.4308 (CF8) | ||
• Seat: | NBR | |
NBR BT (Epichloridrine) especially for gas and low temperatures | ||
Corrosion protection | ||
• Epoxy coating | >40 µm, rot RAL 2002 | |
Certificates | ||
• State Test Laboratory 202, Brnp, Czech Republic • DVGW Gas |
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Applications | ||
• Gas | ||
• Propane | ||
• Calor gas | ||
• Coal gas | ||
• Bio gas |