* - AVK International

DN50-300

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AVK headquater in Skovby Galten, Denmark

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AVK International A/S

Bizonvej 1, Skovby, 8464 Galten, Denmark

Flanged/spigot end gate valve. For drinking water and neutral liquids to max. 70°C

AVK gate valves are designed with built-in safety in every detail. The wedge is fully vulcanized with AVK’s own drinking water approved EPDM rubber compound. It features an outstanding durability due to the ability of the rubber to regain its original shape, the double bonding vulcanization process and the sturdy wedge design. The triple safety stem sealing system, the high strength stem and the thorough corrosion protection safeguard the unmatched reliability.

Variant 12/51-005
Connection:	Spigot x Flange
Material:	Ductile Iron
DN:	DN65 - DN300
PN:	PN16
Closing direction:	Clockwise to Close

Features

Fixed, integral wedge nut prevents vibration and ensures durability
Wedge fully vulcanized with drinking water approved EPDM rubber and equipped with wedge shoes to provide smooth operation
Large conical stem hole in the wedge prevents stagnant water
Wedge and body guide rails ensure stable operation
Stainless steel stem with wedge stop and rolled threads for high strength
Full circle thrust collar provides fixation of the stem and low free running torques
Triple safety stem sealing with an NBR wiper ring, a polyamide bearing with four NBR O-rings and an EPDM rubber manchette
Round EPDM bonnet gasket fixed in a recess
Countersunk and sealed bonnet bolts encircled by the bonnet gasket
Full bore
Low operating torque
Fusion bonded epoxy coating in compliance with DIN 3476 part 1 and EN 14901, GSK approved
The spigot end can be mounted with a loose flange/flange adaptor making the valve suitable as replacement for valves with a non-standard face to face dimension

Downloads

Datasheet

Environmental Product Declaration (EPD)

Appendix

Installation, Operation & Maintenance

Animation

AVK_Gate valves_animation_2022.mp4

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AVK ref. no.	DN mm	D mm	Flange drilling	L mm	L1 mm	H mm	H3 mm	F mm	F1 mm	F2 mm	Theoretical weight/kg
12-065-51-017	65	82	PN10/16	264	130	271	364	17	20	34	17
12-080-51-0146499	80	98	PN10/16	274	127	297	397	17	20	34	14
12-100-51-0146499	100	118	PN10/16	294	133	334	444	19	22	38	16
12-125-51-0146499	125	144	PN10/16	319	149	376	501	19	22	38	21
12-150-51-0146499	150	170	PN10/16	344	160	448	591	19	22	38	30
12-200-51-0046499	200	222	PN10	394	187	562	732	24	28	42	50
12-200-51-0146499	200	222	PN16	394	187	562	732	24	28	42	50
12-250-51-007	250	274	PN10	444	179	664	864	27	31	47	120
12-250-51-017	250	274	PN16	444	179	664	864	27	31	47	120
12-300-51-007	300	326	PN10	494	204	740	968	27	31	47	174
12-300-51-017	300	326	PN16	494	204	740	968	27	31	47	174

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Components

1.	Stem	Stainless steel 1.4104 (430F)
2.	Wiper ring	NBR rubber
3.	O-ring	NBR rubber
4.	Bearing	Polyamide
5.	Bonnet	Ductile iron GJS-500-7 (GGG-50)
6.	Thrust collar	Brass, DZR CW602N
7.	Manchette	EPDM rubber
8.	Bonnet bolt	Stainless steel A2, sealed with hot melt
9.	Bonnet gasket	EPDM rubber
10.	Wedge nut	Brass, DZR CW626N
11.	Wedge	Ductile iron, EPDM encapsulated
12.	Body	Ductile iron GJS-500-7 (GGG-50)
13.	Wedge shoe	Polyamide