Swing Check Valve

Keywords:

Valve Encyclopedia

Category:

Check Valve Series

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Product Description

Performance Specification Table

Nominal pressure		PN10	PN16	MPa
Experiment Pressure	Hull strength	1.5	2.4
	High-pressure liquid sealing	1.1	1.76
Medium temperature		-10~80℃
Applicable medium		Qingshui et al.

Main component materials

Valve body	Ductile iron, gray cast iron
Valve cover	Ductile iron, gray cast iron
Valve disc	High-quality carbon structural steel + nylon + rubber
Sealing ring	Nitrile rubber, ethylene propylene diene monomer rubber
Fastener	High-quality carbon structural steel, stainless steel

Main component materials

Valve body	Ductile iron, gray cast iron
Valve cover	Ductile iron, gray cast iron
Valve disc	High-quality carbon structural steel + nylon + rubber
Sealing ring	Nitrile rubber, ethylene propylene diene monomer rubber
Fastener	High-quality carbon structural steel, stainless steel

Main external dimensions

Unit: mm

DN	L	D		K		d		C		f	nxφ
DN	L	PN10	PN16	PN10	PN16	PN10	PN16	PN10	PN16	f	PN10	PN16
40	203	150	150	110	110	84	84	19	19	3	4×19	4×19
50	203	165	165	125	125	99	99	19	19	3	4×19	4×19
65	216	185	185	145	145	118	118	19	19	3	4×19	4×19
80	241	200	200	160	160	132	132	19	19	3	8×19	8×19
100	292	220	220	180	180	156	156	19	19	3	8×19	8×19
125	330	250	250	210	210	184	184	19	19	3	8×19	8×19
150	356	285	285	240	240	211	211	19	19	3	8×23	8×23
200	495	340	340	295	295	266	266	20	20	3	8×23	12 × 23
250	622	395	405	350	355	319	319	22	22	3	12 × 23	12×28
300	698	445	460	400	410	370	370	24.5	24.5	4	12 × 23	12×28
350	686	505	520	460	470	429	429	24.5	26.5	4	16×23	16×28
400	762	565	580	515	525	480	480	24.5	28	4	16×28	16 × 31
450	864	615	640	565	585	530	548	25.5	30	4	20×28	20×31
500	914	670	715	620	650	582	609	26.5	31.5	4	20×28	20×34
600	1064	780	840	725	770	682	720	30	36	5	20×31	20×37

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