Gate Valve Flanged PN16 DIN F4

Category Joint

Process Description

Design Features:

Ductile Iron body and bonnet for high strength and impact resistance. Valve Body and Bonnet Fusion bonded epoxy coating for long life corrosion protection.Straight through full bore to avoid debris traps, small flow resistance.
Ductile Iron Wedge inside and outside fully rubberized with vulcanized EPDM or NBR ,suitable for potable water.
Rubber bonnet gasket for longevity and protection of bonnet bolts , Isolated fasteners for corrosion protection.
Stainless steel stem with rolling thread for high strength and corrosion resistance **.
Back sealing facility to allow for replacement of seals under full operating pres sure.
Replaceable O rings.
Dust Guard to prevent impurities from entering the stem sealing system.
Valve is supplied with hand wheel or bare shaft with square cap; Small operation torque, easy opening and closing.

Field of Application：

Size Range: DN40 and DN800

Maximum Temperature: 70˚C

Allowable Operating Pressure:PN10, PN16, PN25

Gate valve for use in irrigation, general utility services, HVAC and water systems

Features：

Bolted Bonnet

Replaceable O-ring

Rubber encapsulated wedge, Brass Wedge Nut.

Fusion bonded epoxy coated inside and outside , blue RAL 5017 200 Micron thick

Working pressure from -1 to +16 Bar and working temperature from -10 to +80 ºC

Technical Specification：

Valve design according to EN 1171, DIN3352, EN 1074-1 and 2

Face to face dimensions according to EN 558-1 Series 14, DIN3202 F4

Standard flange drilling to EN 1092-2, ISO 7005-2

Hydraulic test according to EN 12266, SO5208

Shell test pressure: 24 bar ,Seat test Pressure: 17.6 bar

Installation dimensions Units: mm

Size	L	D	b	EN 1092-2 PN10			EN 1092-2 PN16			H	H1	W	W.T(kg )
Size	L	D	b	D1	D2	n-d	D1	D2	n-d	H	H1	W	W.T(kg )
DN40	140	150	19	110	84	4-19	110	84	4-19	180	225	160	9
DN50	150	165	19	125	99	4-19	125	99	4-19	195	240	160	11
DN60	170	175	19	135	108	4-19	135	108	4-19	225	265	180	14
DN65	170	185	19	145	118	4-19	145	118	4-19	225	265	180	14
DN80	180	200	19	160	132	8-19	160	132	8-19	255	295	200	17
DN100	190	220	19	180	156	8-19	180	156	8-19	285	325	200	21
DN125	200	250	19	210	184	8-19	210	184	8-19	345	380	220	29
DN150	210	285	19	240	211	8-23	240	211	8-23	385	420	250	38
DN200	230	340	20	295	266	8-23	295	266	12-23	465	500	280	58
DN250	250	400	22	350	319	12-23	355	319	12-28	565	590	320	90
DN300	270	455	24.5	400	370	12-23	410	370	12-28	645	670	350	120

Technical Specifications

Item No.	Part Name	Specification
1	Body	Ductile Iron GGG50
2	Wedge	Ductile Iron GGG50
3	Wedge Coating	NBR /EPDM EN 681-1
4	Wedge Nut	Copper Alloy
5	Stem	Stainless Steel X20 Cr13
6	Bonnet Gasket	NBR /EPDM EN 681-1
7	Bonnet	Ductile Iron GGG50
8	O Ring Back Sealing	EPDM/NBR
9	Stem Collar	Stainless Steel / Brass
10	O-Ring	EPDM/NBR
11	O-Ring	EPDM/NBR
12	Stuffing Nut	Copper Alloy
13	Dust Guard	EPDM/NBR
14	HandWheel	Ductile Iron GGG50
15	Stem Cap	Ductile Iron GGG50