Manual butterfly valve

Worm flange butterfly valve

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Features

Turbine flange butterfly valve is composed of rubber seal, PTFE seal, carbon steel valve plate, stainless steel valve plate and valve stem. Mainly used in water plants, power plants, steel smelting, papermaking, chemical industry, water systems, especially suitable for use as a flow regulating device on the tap water pipeline.

Technical date and materials

Valve Body	Ductile Iron/SS	SIZE	DN50-800
valve disc	Ductile Iron/SS	Working pressure	PN10/PN16
valve seat	Rubber/PTFE	Medium	Water,Natural gas, Oil
Seal	O rang

Dimensions(mm)

DN (mm)	L	H1	H2	D	D1(PCD/BCD)		D2	n-ød	b
DN (mm)	L	H1	H2	D	GB&DIN	ANSI	D2	n-ød	b
2"(50mm)	108	221	70	165	125	121	102	4-18	20
2.1/2"(65)	112	240	70	185	145	140	122	4-18	20
3"(80mm)	114	255	70	200	160	152	133	8-18	22
4"(100mm)	127	285	70	220	180	190	158	8-18	24
5"(125mm)	110	326	70	250	210	216	184	8-18	26
6"(150mm)	140	365	70	285	240	241	212	8-22	28
8"(200mm)	152	430	80	340	295	298	268	12-23	28
10"(250mm)	165	495	80	405	350	362	320	12-26	30
12"(300mm)	178	550	85	460	400	431	370	12-26	30
14"(350mm)	190	610	85	520	460	476	430	16-26	30
16"(400mm)	216	680	185	580	515	540	484	16-30	32
18"(450mm)	222	750	185	640	585	578	532	20-30	32
20"(500mm)	229	841	190	715	650	635	585	20-33	34
24"(600mm)	267	1021	190	840	770	750	685	20-36	36
28"(700mm)	292	1050	240	970	840		800	24-36	40
32"(800mm)	318	1080	240	1028	950		905	24-36	42