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Valva Globica DIN-EN
Valva globosa DIN-ENValva globosa formae rectae (forma T), valva globosa formae anguli, valva globosa formae obliquae (typus Y)
potest designari ut valvula anti-retrocessionis, valvula anti-retrocessionis globosa, SDNR.
Obturamentum follis ad petitionem praesto est ad vaporis applicationem altae temperaturae
Designatio et fabricator EN13709, diameter DN15-DN400, PN16-PN100.
In chalybe fuso (1.0619), chalybe inoxidabili (1.4308, 1.4408), chalybe mixto et chalybe inoxidabili duplex
NORTECHis unus ex praecipuis SinisValva Globica DIN-EN Fabricator et Provisor.
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Valva Globi Sigilli Follis
Valva globosa sigillo folliculari, in chalybe fuso, chalybe inoxidabili et chalybe mixto, ad vaporem altae temperaturae.
Valva globosa formae rectae (formae T), valva globosa formae anguli, valva globosa formae obliquae (typus Y)
Designatio et fabricator DIN3356/EN13709
DN15-DN400, PN10/16/25/40
In chalybe fuso (1.0619), chalybe inoxidabili (1.4308, 1.4408), chalybe mixto et chalybe inoxidabili duplex
NORTECHis unus ex praecipuis SinisValva Globi Sigilli Follis Fabricator et Provisor.
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