浮球止回阀

Remarks:
1. Design according to EN16767:2016, BS5153:1974
2. Flange according to EN 1092-2:1997
3. Test according to EN 12266-1:2012
Working pressure: 16kg/cm³ Shell test pressure: 25kg/cm³ Seat test pressure: 18kg/cm³
4. Media: water, neutral oil
5. External and internal coating: 100% fusion-bonded epoxy
6. SS304, 316 bolts/washers are available on request

产品详情

DIMENSION:MM

DN	L	H	D	K	D1	n-d	b	f	Weight/kg
40	180	90	150	110	84	4-19	19	3	6
50	200	100	165	125	99	4-19	19	3	8.6
65	240	125	185	145	118	4-19	19	3	11.4
80	260	136	200	160	132	8-19	19	3	13.2
100	300	185	220	180	156	8-19	19	3	19
125	350	196	250	210	184	8-19	19	3	27.2
150	400	265	285	240	211	8-23	19	3	38.4
200	500	340	340	295	266	12-23	20	3	73.5
250	600	420	405	355	319	12-28	22	3	128
300	700	480	460	410	370	12-28	24.5	4	168

MATERIAL FOR MAIN PARTS

No.	Part Name	Material	Standards
1	Body	Ductile Iron	EN1563-GJS-450	BS2789
2	Bonnet	Ductile Iron	EN1563-GJS-450	BS2789
3	Hexagon Bolt	Carbon Steel	EN ISO4017	BS3692
4	Washer	Carbon Steel	EN ISO7089	BS4320
5	O-ring	EPDM	EN681-1	BS2494
6	Float Ball	Steel+EPDM