Wafer Butterfly Valve

Introduction

Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.

Seat Test: 1.1 times the working pressure with water.

Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.

Special Test: On request, any other test can be carried out according to special instruction by client.

DATA

SIZE		A	B	C	L	DIN PN 10		DIN PN 16		ANSI 150LB		JIS 10K		ISO 5211			Top Flange	B1XB1	nb
mm	in	A	B	C	L	øK	N-ød	øK	N-ød	øK	N-ød	øK	N-ød	øD	øD1	N-øG	Top Flange	B1XB1	nb
40	1½"	67	141	32	33	110	4-ø18	110	4-ø18	98.5	4-ø16	105	4-ø19	65	50	4-ø8	F05	9X9
50	2"	67	141	32	43	125	4-ø18	125	4-ø18	120.6	4-ø19	120	4-ø19	65	50	4-ø8	F05	9X9
65	2½"	75	151	32	46	145	4-ø18	145	4-ø18	139.7	4-ø19	140	4-ø19	65	50	4-ø8	F05	9X9
80	3"	95	160	32	46	160	8-ø18	160	8-ø18	152.4	4-ø19	150	8-ø19	65	50	4-ø8	F05	9X9
100	4"	111	180	32	52	180	8-ø18	180	8-ø18	190.5	8-ø19	175	8-ø19	90	70	4-ø10	F07	11X11
125	5"	129	193	32	56	210	8-ø18	210	8-ø18	215.9	8-ø22.4	210	8-ø23	90	70	4-ø10	F07	14X14
150	6"	142	207	32	56	240	8-ø22	240	8-ø22	241.3	8-ø22.4	240	8-ø23	90	70	4-ø10	F07	14X14
200	8"	170	240	45	60	295	8-ø22	295	12-ø22	298.4	8-ø22.4	290	12-ø23	125	102	4-ø12	F10	17X17
250	10"	206	270	45	68	350	12-ø22	355	12-ø22	361.9	12-ø25.4	355	12-ø25	125	102	4-ø12	F10	22X22
300	12"	238	316	45	78	400	12-ø22	410	12-ø26	431.8	12-ø25.4	400	16-ø25	125	102	4-ø12	F10	22X22
350	14"	267	368	45	78	460	16-ø22	470	16-ø26	476.2	12-ø28.4	445	16-ø25	125	102	4-ø12	F10	22X22
400	16"	298	400	51	86	515	12-ø26	525	16-ø30	539.7	16-ø28.4	510	16-ø27	175	140	4-ø18	F14		1--10
450	18"	318	422	51	105	565	20-ø26	585	20-ø30	577.8	16-ø31.8	565	20-ø27	175	140	4-ø18	F14		1--10
500	20"	349	479	57	130	620	20-ø26	650	20-ø33	635	20-ø31.8	620	20-ø27	175	140	4-ø18	F14		1--12
600	24"	410	562	70	152	725	20-ø30	770	20-ø36	749.3	20-ø35.1	730	24-ø33	210	165	4-ø22	F16		1--16