Huahui Gate Valve|OSY Rising Stem Resilient Seted Gate Valve DIN3352 F4

Product Description

Product Description

DIN3352 F4 OS&Y Resilient Seated Gate Valve , DN40-DN450

Features

The ductile iron core is fully vulcanized with EPDM rubber, no iron parts are exposed to the medium and the excellent rubber vulcanization prevents creeping corrosion underneath the rubber.

Guides in the wedge and on the valve body ensure a uniform closure, safe operation ensured as the guides prevent overloading of the stem.

Stainless steel stem with rolled threads for high strength.

The valve can replace stem seals under pressure.

Full bore.

Body inside and outside fusion bonded epoxy coating with excellent corrosion resistant performance.

Standard

Design standard	BS5163, EN1171
Flange drilling standard	EN1092-2 PN10/PN16
Face to face standard	EN558-1 Series 3
Hydraulic test standard	EN1074-1 and 2 /EN12266
	Seat:1.1PN(in bar), Body:1.5PN(in bar)

Technical Parameters

Nominal diameter(mm)		40～450	40～450
Nominal pressure(Mpa)		1.0	1.6
Testing pressure	Shell(Mpa)	1.5	2.4
	Seal(Mpa)	1.1	1.76
Suitable temperature		-40°C～150°C
Suitable medium		Drinking water、sewage、seawater、irrigation,or other neutral liquid.

Main Raw Material

1	Body	Ductile Iron	5	Handwheel nut	Brass
2	Wedge	Ductile Iron+EPDM	6	Thrust collar	Brass
3	Wedge Nut	Brass	7	O-ring	EPDM rubber
4	Stem	Stainless steel 420	8	Bonnet gasket	EPDM rubber

Components may be substituted with equivalent or higher class materials.

Dimension

Size	L	D	C		B	n-d		b	f
DN50	150	165	125		99	4-19		19	3
DN65	170	185	145		119	4-19		19	3
DN80	180	200	160		133	4-19	8-19	19	3
DN100	190	220	180		154	8-19		19	3
DN125	200	250	210		184	8-19		19	3
DN150	210	285	240		210	8-23		19	3
DN200	230	340	295		265	8-23	12-23	20	3
DN250	250	405	350	355	319	12-23	12-28	22	3
DN300	270	460	400	410	370	12-23	12-28	24.5	4
DN350	290	520	460	470	429	16-23	16-28	26.5	4
DN400	310	580	515	525	480	16-28	16-32	28	4
DN450	330	640	565	585	548	20-28	16-32	30	4