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Product features and benefits
- Face-to-face length acc. to EN 558-1, basic series 48 (DIN 3202, F6)
- With flange ends on both sides acc. to EN 1092-2
- With lever and weight (located on the right in flow direction)
- Lever and weight useable for position indicator
- Connection between shaft and disk by key
- With large access bonnet for easy maintenance
Version
- Standard version as described
- With mounted wire guard of stainless steel 1.4571
- With factory-assembled steel wire guard St 37-2, epoxy-coated
Prodcut versions:
- Metallic sealing - horizontal type
- Product features and benefits
- Metallic sealing in accordance with EN 12334
- For horizontal pipelines
- Material
- Check valve disk seal: Zincfree bronze (waste-water resistant)
- Metallic sealing - vertical type
- Product features and benefits
- Metallic sealing in accordance with EN 12334
- For vertical pipelines (flow from bottom upwards)
- Material
- Check valve disk seal: Zincfree bronze (waste-water resistant)
- Resilient-seated - horizontal type
- Product features and benefits
- Resilient seated in accordance with EN 12334
- For horizontal pipelines
- Material
- Resilient-seated - vertical type
- Product features and benefits
- Resilient seated in accordance with EN 12334
- For vertical pipelines (flow from bottom upwards)
- Material
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Material
- Body: Ductile iron EN-GJS-400-15 (GGG-40)
- Bonnet: Ductile iron EN-GJS-400-15 (GGG-40)
- Check valve disk: Ductile iron EN-GJS-400-15 (GGG-40)
- Bonnet bolts: Stainless steel A4 (DIN EN ISO 3506)
- Check valve shaft: Stainless steel 1.4057
- Seat: Zincfree bronze (wastewater resistant)
- Shaft bushing: O-rings made of NBR (resistant to wastewater)
Corrosion protection
- Internally and externally epoxy coated
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