法兰蝶阀

法兰蝶阀就是用法兰连接方式的蝶阀。法兰蝶阀密封结构采用聚四氟乙烯、合成橡胶和酚醛树脂构成复合阀座，使阀座在具有弹性的同时强度更好。同时将蝶板用聚四氟乙烯全包覆，使蝶板具有较强的抗腐蚀性能。

The double flanged design is suitable for high pressure loading Vacuum: up to 1 mbar absolute and is excellently suited for use in heavy industry, shipbuilding and waterworks.

TECHNICAL DATA

Nominal diameter: DN 50 – DN 1200

Face-to-face: EN 558 Series 13

ISO 5752 Series 13

API 609 Table 2C

Flange accommodation: EN 1092 PN 6/10/16/25

ASME Class 150/300

AS 4087 PN 16/21

Flange Surface Design: EN 1092 Form A/B,

ASME RF, FF

Top flange: EN ISO 5211

Marking: EN 19

Tightness check: EN 12266 (Leakage rate A)

ISO 5208, Category 3

Design standard : EN 593

Temperature range: -40°C to +200°C (depending on

pressure, medium and material)

Operating pressure: max. 25 bar

Vacuum: up to 1 mbar absolute

FEATURES

– Absolutely tight sealing with flow in either direction

– The valve body and disc are accurately machined which results

in low operating torque and long service life and reliability

– Triple shaft bearings prevent shaft deflection and guarantee

optimum guidance even after many years of operating service

– Can be disassembled, material-specific recycling possible

– Single flange mounting possible

– Can be installed in any desired position

– Maintenance-free

GENERAL APPLICATIONS

– Offshore

– Water and waste water technology

– Shipbuilding

– Seawater desalination

Dimensions

DN[mm]	Size[in]	Dimensions [mm]													Weight [kg] (GGG-40)
		A	B	C	Di	D	E1	E2	E3	F	Flange	G	H1	H2	Splitted shaft	TS-shaft
50	2	126	84	210	48,5	165	15	102	108	54	F04	11	12	19	9,3	–
65	2-1/2	134	93	227	63,5	185	15	106	112	54	F04	11	12	19	10,1	–
80	3	157	104	261	78,5	200	17	108	114	65	F05	14	16	25	12,2	12,7
100	4	167	115	282	98,5	229	17	121	127	65	F05	14	16	25	16,1	16,7
125	5	180	127	307	123,5	254	19	134	140	65	F05	14	16	25	24,0	24,6
150	6	203	150	353	148	285	19	134	140	90	F07	17	19	30	29,0	30,5
200	8	228	176	404	199	343	21	146	152	90	F07	17	19	30	39,1	40,9
250	10	266	212	478	248	406	23	159	165	125	F10	22	24	39	61,2	64,2
300	12	291	237	528	296	483	24	170	178	125	F10	22	24	39	81,4	84,2
350	14	332	269	601	338	533	24	182	190	150	F12	ic	*		107,0	112,6
400	16	363	314	677	388	597	28	208	216	150	F12	ic	*		142,0	147,8
450	18	397	335	732	430,5	640	33	214	222	175	F14	ic	*		183,0	188,0
500	20	437	405	842	494,5	710	40	223	229	210	F14/16	ic	*		233,0	240,0
550	22	456	435	891	540	750	40	219	229	210	F16	ic	*		268,0	285,0
600	24	502	465	967	590	840	40	257	267	300	F16/25	ic	*		303,0	330,0
700	28	581	507	1088	680	920	41	286	292	300	F16/25	ic	*		407,0	460,0
800	32	630	556	1186	780	1050	47	312	318	300	F25	ic	*		604,0	624,0
900	36	696	617	1313	880	1178	47	320	330	300	F25	ic	*		745,0	787,0
1000	40	771	675	1446	980	1280	47	404	410	350	F30	ic	*		942,0	1090,0
1200	48	905	810	1715	1170	1510	55	460	470	350	F30	ic	*		1400,0