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TOPSTOP Diaphragm Non Return Valve

TOPSTOP Diaphragm Non Return Valve
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TOPSTOP Diaphragm Non Return Valve

Features:
- Resilient seated in accordance with EN 12334
- 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
- Compact design
- Optimum damping of pressure surges via pre-stressed, elastic diaphragm
- Very quick and low noise closing
- No mechanically moving parts
- Installation in any position
- With two threaded plugs for mounting a bypass

Materials:
- Body: Ductile cast iron EN-JS 1030 (GGG-40); DN 400 cast iron EN-JL 1040 (GG-25)
- Flow guide: Ductile cast iron EN-JS 1030 (GGG-40); DN 400 cast iron EN-JL 1040 (GG-25)
- Circular diaphragm: EPDM

Corrosion protection:
- Inside and outside epoxy coating acc. to GSK guidelines