Butterfly valve

Products

Butterfly valve

Ductile cast iron butterfly valves are double flanged, metal hard seated. They are widely used to open, close or control the water flow in potable water system or sewage system.

Processing standard: DIN EN 593

Face to face according to: DIN EN 558-1 series 14

Flange standard: DIN EN 1092-2

Valve body and seat pressure standard: DIN EN 1563

Material standard: KTW and DVGW W270

Product parameters

Size DN mm	Face to face length acc. to DIN EN 558-1 Series 14 L mm	Flange Dia D mm	Hand wheel Dia HR mm	Dimension					Weight kg	Volume m³
Size DN mm	Face to face length acc. to DIN EN 558-1 Series 14 L mm	Flange Dia D mm	Hand wheel Dia HR mm	h2 mm	h3 mm	e1 mm	e2 mm	e3 mm	Weight kg	Volume m³
80	180	200	125	143	105	50	115	198	27	0.02
100	190	220	125	143	115	50	130	213	33	0.02
125	200	250	125	143	135	50	145	233	36	0.03
150	210	285	150	145	145	50	165	238	42	0.04
200	230	340	200	150	185	50	195	273	53	0.05
250	250	395	200	150	205	50	215	303	69	0.07
300	270	445	300	200	230	63	255	340	90	0.11
350	290	505	300	200	260	63	290	380	116	0.15
400	310	565	400	205	285	80	330	453	161	0.24
450	330	615	400	205	315	80	365	468	190	0.28
500	350	670	400	285	340	100	390	520	250	0.35
600	390	780	500	285	385	100	450	595	335	0.55
700	430	895	400	337	450	125	535	665	507	0.67
800	470	1015	400	337	510	125	585	720	657	0.85
900	510	1115	400	415	565	160	650	780	930	1.12
1000	550	1230	500	415	710	160	710	845	1174	1.52
1100	590	1340	400	520	810	200	775	920	1456	1.85
1200	630	1455	500	520	860	200	840	990	1862	2.11
1400	710	1675	500	540	785	230	1065	970	3600	2.85
1500	750	1820	500	540	680	230	1170	1090	4350	3.45
1600	790	1930	500	540	730	230	1285	1240	4700	4.60
1800	870	2115	500	540	785	230	1390	1360	5600	5.40
2000	950	2325	500	540	890	230	1410	1490	6350	6.60

Product parameters

Size DN mm	Face to face length acc. to DIN EN 558-1 Series 14 L mm	Flange Dia D mm	Hand wheel Dia HR mm	Dimension					Weight kg	Volume m³
Size DN mm	Face to face length acc. to DIN EN 558-1 Series 14 L mm	Flange Dia D mm	Hand wheel Dia HR mm	h2 mm	h3 mm	e1 mm	e2 mm	e3 mm	Weight kg	Volume m³
80	180	200	125	143	105	50	115	198	27	0.02
100	190	220	125	143	115	50	130	213	33	0.02
125	200	250	125	143	135	50	145	233	36	0.03
150	210	285	150	145	145	50	165	238	42	0.04
200	230	340	200	150	185	50	195	273	53	0.05
250	250	395	200	150	205	50	215	303	69	0.07
300	270	445	300	200	230	63	255	340	90	0.11
350	290	505	300	200	260	63	290	380	116	0.15
400	310	565	400	205	285	80	330	453	161	0.24
450	330	615	400	205	315	80	365	468	190	0.28
500	350	670	400	285	340	100	390	520	250	0.35
600	390	780	500	285	385	100	450	595	335	0.55
700	430	895	400	337	450	125	535	665	507	0.67
800	470	1015	400	337	510	125	585	720	657	0.85
900	510	1115	400	415	565	160	650	780	930	1.12
1000	550	1230	500	415	710	160	710	845	1174	1.52
1100	590	1340	400	520	810	200	775	920	1456	1.85
1200	630	1455	500	520	860	200	840	990	1862	2.11
1400	710	1675	500	540	785	230	1065	970	3600	2.85
1500	750	1820	500	540	680	230	1170	1090	4350	3.45
1600	790	1930	500	540	730	230	1285	1240	4700	4.60
1800	870	2115	500	540	785	230	1390	1360	5600	5.40
2000	950	2325	500	540	890	230	1410	1490	6350	6.60

Range of applicable: potable water

Size mm DN	Pressure rating in bar PN	Hydro test pressure in bar		Admissible working pressure in bar up to 70℃
		Body	Seat
80-2000	10	15	10	10

Material list:

Part name	Material
Valve Body	Ductile cast iron (Tensile strength ≥ 450 MPa, elongation: 15%)
Valve Disc	Ductile cast iron (Tensile strength ≥ 450 MPa, elongation: 15%)
Retaining ring	Ductile cast iron (Tensile strength ≥ 450 MPa, elongation: 15%)
Seat ring of valve body	Stainless steel
Profile sealing ring	EPDM or NBR
Bearing bushes	Bronze
Shafts	Stainless steel
Bearing covers	Cast iron
O-Rings	EPDM or NBR
Bolts and nuts	Stainless steel
Handwheel	Steel, black or blue coated.

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