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Product catalog summary

Components and Materials:

Body and Bonnet: Made of EN-GJS-400-18-LT.
Seat, Disc, Stem, Antifriction Disk: Made of Stainless Steel 1.4021.
Bellows: Made of Stainless Steel 1.4541.
Gaskets: Composed of Graphite and Stainless Steel.
Packing: Made of Graphite.
Handwheel: Made of Pressed Steel.
Screws: Made of Carbon Steel.

Technical Specifications:

TA-Luft Approved: Indicates compliance with emission standards.
Non-Rotating Disc and Rotating Stem: Design features for operational efficiency.
Pressed-in Seat: Ensures secure fitting.

Dimensions and Performance:

DN (mm)	D (mm)	L (mm)	H (mm)	H' (mm)	V (m3/h)	Kg	Kv
15	95	130	165	175	100	3	4.6
20	105	150	165	175	100	3.7	7.3
25	115	160	185	195	100	4.4	11.7
32	140	180	185	195	125	6.1	16.8
40	150	200	215	230	150	9.1	26.7
50	165	230	215	230	150	11	42.6
65	185	290	295	315	200	19	77.9
80	200	310	295	315	200	21.5	111
100	220	350	320	355	225	28	177
125	250	400	345	385	250	42	262
150	285	480	400	445	350	56.5	368
200	340	600	455	520	400	104	664
250	405	730	585	660	500	171.5	1044

Flow Coefficients (Kv) at Different Openings:

20% Opening: Ranges from 0.33 to 316 m3/h depending on DN size.
40% Opening: Ranges from 0.99 to 554 m3/h depending on DN size.
60% Opening: Ranges from 2.17 to 695 m3/h depending on DN size.
80% Opening: Ranges from 3.27 to 776 m3/h depending on DN size.
100% Opening: Ranges from 4.19 to 890 m3/h depending on DN size.

Temperature and Pressure Ratings:

Temperature Range: -10°C to 350°C.
Pressure Ratings: Varies from 16 bar at -10/120°C to 11.2 bar at 350°C.

Catalog excerpts

Rising handwheel I Stelo rotante Rotating stem I Otturatore non rotante Not rotating disc I Sede mandrinata Pressed-in seat Impianti di trasmissione calore, centrali termiche, caldaie e serbatoi, impianti di teleriscaldamento, applicazioni con olio diatermico, ecc. Heat transfer systems, thermal power stations, industial boilers and tanks, district heating plants, diathermic oil installations, etc. Acqua calda e/o surriscaldata, vapore, aria, fluidi diatermici, ecc. Hot water and/or overheated water, steam, air, diathermic fluids, etc. Materiali Materials Disco antifrizione Antifriction disk Componente Corpo Cappello Sede Otturatore Stelo Soffietto Guarnizioni Baderna Volantino Viti Components Body Bonnet Seat Disc Stem Bellows Gaskets Packing Handwheel Screws Material EN-GJS-400-18-LT EN-GJS-400-18-LT St. Steel 1.4021 St. Steel 1.4021 St. Steel 1.4021 St. Steel 1.4541 St. Steel 1.4021 Graphite + St. Steel Graphite Pressed steel Carbon steel

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Dimensioni Sizes KV alia percentuale di alzata figura 54/RKv at stroke rate item 54/R DN D Condizioni di esercizio/Working conditions -10/120 150 200 250 300 350 Temperatura - Temperature [°C] Pressione - Pressure [bar]

Open the catalog to page 2

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