ANSI H46 flanged double disc check valve

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Check valves are automatic valves that open and close depending on medium pressure.

Product Detail

ANSI H46 flanged double disc check valve

Check valves are installed in piping systems to prevent media backflow. Check valves are automatic valves that open and close depending on media pressure.In the past domestic commonly used is H44 flange connecting swing check valve and H41 flange connecting lifting check valve, this traditional check valve body bulky, fluid resistance, high water hammer pressure when the valve is closed, installation, maintenance difficult, short service life.

Main dimensions
PN(Mpa)	size	DN	L	D	D3	D2	Weight(kg)	D1	n			L1
Class 150 PN2.0Mpa	2	50	60	152	56	51	7	120.5	4	5/8	M16	145
	2 1/2	65	67	178	73	65	10	138.5	4	5/8	M16	155
	3	80	73	190	88	80	12	152.5	4	5/8	M16	165
	4	100	73	229	108	102	14	190.5	8	5/8	M16	175
	5	125	86	254	132	127	19	216.5	8	3/4	M20	195
	6	150	98	279	160	152	23	241.5	8	3/4	M20	210
	8	200	127	343	210	203	40	298.5	8	3/4	M20	245
	10	250	146	406	366	254	65	362.5	12	7/8	M24	275
	12	300	181	483	310	305	88	432.0	12	7/8	M24	315
	14	350	184	533	355	350	140	476.0	12	1	M27	330
	16	400	191	597	405	400	185	540.0	16	1	M27	345
	18	450	203	635	455	450	285	578.0	16	1 1/8	M30	370
	20	500	219	698	505	500	310	635.0	20	1 1/8	M30	390
	24	600	222	813	605	600	430	749.0	20	1 1/4	M33	410

Main dimensions
PN(Mpa)	Size	DN	L	D	D3	D2	Weight(kg)	D1	n			L1
Class 300 PN5.0Mpa	2	50	60	160	58	51	8	127.0	8	5/8	M16	160
	2 1/2	65	67	190	73	65	12	149.0	8	3/4	M20	180
	3	80	73	210	88	80	14	168.0	8	3/4	M20	195
	4	100	73	254	108	102	16	200.0	8	3/4	M20	220
	5	125	86	279	132	127	22	235.0	8	3/4	M20	225
	6	150	98	318	160	152	27	270.0	12	3/4	M20	240
	8	200	127	381	210	203	48	330.0	12	7/8	M24	290
	10	250	146	444	266	254	75	387.5	16	1	M27	320
	12	300	181	520	310	305	105	451.0	16	1 1/8	M30	370
	14	350	222	584	355	350	160	414.5	20	1 1/8	M30	420
	16	400	232	648	405	400	245	571.5	20	1 1/4	M33	440
	18	450	264	711	455	450	315	628.5	24	1 1/4	M33	480
	20	500	292	775	505	500	353	686.0	24	1 1/4	M33	520
	24	600	318	914	608	600	470	813.0	24	1 1/2	M33	570

Main dimensions
PN(Mpa)	Size	DN	L	D	D3	D2	Weight(kg)	D1	n			L1
Class 600 PN11.0Mpa	2	50	60	165	58	51	9	127.0	8	5/8	M16	180
	2 1/2	65	67	190	73	65	13	149.0	8	3/4	M20	200
	3	80	73	210	88	80	15	168.5	8	3/4	M20	215
	4	100	79	273	108	102	17	216.0	8	7/8	M24	240
	5	125	105	330	136	127	35	267.0	8	1	M27	285
	6	150	136	356	162	152	50	292.0	12	1	M27	325
	8	200	165	419	212	200	90	349.0	12	1 1/8	M30	375
	10	250	213	508	266	250	195	432.0	16	1 1/4	M33	445
	12	300	229	559	312	305	280	489.0	20	1 1/4	M33	465
	14	350	273	603	355	350	443	527.0	20	1 3/8	M36	525
	16	400	305	686	400	400	585	603.0	20	1 1/2	M39	580
	18	450	362	743	450	450	650	654.0	20	1 5/8	M42	655
	20	500	368	817	500	500	950	724.0	24	1 5/8	M42	680
	24	600	438	940	600	600	1400	838.0	24	1 5/8	M48	790

Packing & Delivery :

Packing Details : all by seaworthy plywood case and packed strongly by packing belt as below

Delivery Details : Generally it is 5-10 days if the goods are in stock. or 15-30 days if the goods are OEM or not enough subject to the order quantity. But anyway,normally, we are able to make sure the delivery will not exceed 45 days.