* - AVK Malaysia

Ductile iron, EN 1092 flange, A2 bolts, stem cap, EPDM wedge rubber, GSK coating

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Chan Chee Leong

Senior Manager, Sales and Marketing

Resilient seat gate valve for water and waste water. Temperature range: -10° C to +70° C. Max 10% solid matter.

The AVK series 21 are flanged, resilient seat gate valves with replaceable stem seal designed to the heavy duty BS5163 Type B standard for use in systems with drinking water, waste water or other neutral liquids.

Variant 21/36-002
Connection:	Flanged
Material:	Ductile iron
DN:	DN50 - DN400
PN:	PN 16
Closing direction:	Clockwise to Close

Features

Cap top as standard
Fixed, integral wedge nut prevents vibration and ensures durability
Stem seal replaceable under pressure
The ductile iron core is fully vulcanized with drinking water approved EPDM rubber, no iron parts are exposed to the medium and the excellent rubber vulcanization prevents creeping corrosion underneath the rubber
The wedge has a large through bore and as there are no hollows in the core, stagnant water or impurities cannot collect and cause contamination
Stainless steel stem with rolled threads for high strength
Full circle brass thrust collar provides fixation of the stem and low free running torques
Double stem seal: a replaceable polyamide bearing with two O-rings and an O-ring on the stem
Round bonnet gasket fixed in a recess groove in bonnet preventing it from being blown out by pressure surges
Bonnet bolts encircled by the bonnet gasket to protect against contact with the fluid and against corrosion
Fusion bonded epoxy coating acc. to GSK, blue RAL 5017
Bonnet and gland bolts sealed with hot-melt for protection against corrosion

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Datasheet

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AVK ref. no.	Gross Price MYR	DN mm	Flange drilling	L mm	W mm	H mm	H3 mm	F mm	F1 mm	F2 mm	Turns to open	Theoretical weight/kg
21-050-36-2142064	price on request	50	PN10/16	178	173	83	411	28	35	63	5	14
21-065-36-2142064	price on request	65	PN10/16	190	185	93	422	28	35	63	6	16
21-080-36-2142064	price on request	80	PN10/16	203	200	100	437	28	35	63	7.5	17
21-100-36-2142064	price on request	100	PN10/16	229	220	110	469	28	35	63	8.5	19
21-150-36-2142064	price on request	150	PN10/16	267	285	143	591	28	35	63	12.5	34
21-200-36-2042064	price on request	200	PN10	292	340	170	705	28	35	63	16.5	52
21-200-36-2142064	price on request	200	PN16	292	340	170	705	28	35	63	16.5	52
21-250-36-2042064	price on request	250	PN10	330	422	200	872	28	35	63	21	85
21-250-36-2142064	price on request	250	PN16	330	422	200	872	28	35	63	21	84
21-300-36-2042064	price on request	300	PN10	356	455	228	983	28	35	63	25	117
21-300-36-2142064	price on request	300	PN16	356	455	228	983	28	35	63	25	116
21-350-36-2042064	price on request	350	PN10	381	564	253	1186	40	48	75	29	179
21-350-36-2142064	price on request	350	PN16	381	564	267	1200	40	48	75	29	212
21-400-36-2042064	price on request	400	PN10	406	565	283	1243	40	48	75	33	189
21-400-36-2142064	price on request	400	PN16	406	580	290	1250	40	48	75	33	217

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Components

1.	Body	Ductile iron GJS-500-7
2.	Wedge rubber	EPDM rubber
3.	Wedge core	Ductile iron GJS-500-7
4.	Wedge shoe	Polyamide
5.	Wedge nut	Brass
6.	Stem	Stainless steel 1.4021 (420)
7.	Bonnet gasket	EPDM rubber
8.	Bonnet	Ductile iron GJS-500-7
9.	O-ring	EPDM rubber
10.	Bolt	Stainless steel A2
11.	Cover	Hot melt glue
12.	Stem cap	Grey iron
13.	Screw	Stainless steel A2
14.	Insert	Plastic
15.	Wiper ring	NBR rubber
16.	Gland flange	Ductile iron GJS-500-7
17.	Bearing shell	Polyamide
18.	O-ring	EPDM rubber
19.	Thrust collar	Brass
20.	O-ring	EPDM rubber
21.	Bolt	Stainless steel A2

Test/Approvals

Hydraulic test according to 1.5 x PN
Materials approved according to WRAS

Standards

BS5163 Type B, EN 1074 part 1 & 2
Face-to-face dimension according to EN 558, Series 3
Flange drilling to EN1092, PN10/16

AVK GATE VALVE, FLANGED, PN10/16