* - AVK International

Integral seat, IP68 gearbox, plate disc, long, DN150-600

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Henrik Steen Christensen

Product Manager, butterfly valves

Double eccentric butterfly valve to EN 593 w. integral seat and IP68 gearbox for drinking water and neutral liquids to max. 70°C

AVK double eccentric butterfly valves are designed with tilted disc for easy operation. The disc seal is made of AVK’s drinking water approved EPDM rubber featuring an excellent compression set and thus ability to regain its original shape. The high quality GSK approved epoxy coating and the corrosion protected shaft end zones ensure high durability. The valves are suitable for bi-directional application.

Variant 756/106-146
Connection:	Flanged
Material:	Ductile Iron
DN:	DN150 - DN600
PN:	PN10/16
Closing direction:	Clockwise to Close

Features

The tilted disc releases the compression of the disc sealing after a few degrees of opening resulting in low operating torque
The disc seal profile and rubber quality ensure low closing torques
All rubber parts are multi approved
Seal retainer ring of stainless steel
The threaded bolt holes in the disc are corrosion protected with O-rings
Machined and epoxy coated ductile iron seat integrated in the body
Shaft of stainless steel with self-lubricating bearings
The shaft ends are corrosion protected with a stainless steel security plate and a gasket
Replaceable shaft sealing with an EPDM O-ring on a stainless steel ring, a back-up EPDM O-ring in the housing, and a flat NBR gasket
Body and disc of ductile iron with fusion bonded epoxy coating in compliance with DIN 3476 part 1 and EN 14901, GSK approved

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Datasheet

Installation

Appendix

Guidelines

Tender Text

Animation

AVK butterfly 756.mp4

Certificate(s)

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AVK ref. no.	DN mm	Flange drilling	D1 mm	L mm	L1 mm	L2 mm	H2 mm	W1 mm	W2 mm	W3 mm	W4 mm	W5 mm	Theoretical weight/kg
756-0150-1-14006	150	PN10/16	#12.3	210	-	-	201	155	261	-	-	178	37
756-0200-1-04006	200	PN10	#12.3	230	-	-	227	182	279	-	-	178	40
756-0200-1-14006	200	PN16	#12.3	230	-	-	227	182	279	-	-	178	51
756-0250-1-04006	250	PN10	#12.3	250	-	1	261	215	313	-	6	178	58
756-0250-1-14006	250	PN16	#12.3	250	-	1	261	215	313	-	6	178	50
756-0300-1-04006	300	PN10	#12.3	270	1	12	292	242	343	6	104	178	83
756-0300-1-14006	300	PN16	#12.3	270	1	12	292	242	343	6	104	189	106
756-0350-1-04006	350	PN10	#12.3	290	20	26	318	272	369	151	173	178	110
756-0350-1-14006	350	PN16	#12.3	290	20	26	318	272	369	151	173	189	172
756-0400-1-04006	400	PN10	#12.3	310	35	41	349	302	403	215	232	189	142
756-0400-1-14006	400	PN16	#12.3	310	35	41	349	302	403	215	232	189	166
756-0450-1-04006	450	PN10	#12.3	330	48	55	390	332	440	267	284	189	184
756-0450-1-14006	450	PN16	#12.3	330	48	55	390	332	440	267	284	205	214
756-0500-1-04006	500	PN10	#12.3	350	63	69	418	338	468	322	335	189	240
756-0500-1-14006	500	PN16	#12.3	350	63	69	427	370	477	322	335	205	214
756-0600-1-04006	600	PN10	#12.3	390	94	100	481	393	536	426	437	205	410
756-0600-1-14006	600	PN16	#12.3	390	94	100	503	435	556	426	437	284	425

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Components

1.	Body	Ductile iron GJS-500-7 (GGG-50)
2.	Drive shaft	Stainless steel 431
3.	Bearing	Bronze / PTFE composite
4.	O-ring	EPDM rubber
5.	Bolt, socket head	Stainless steel A2
6.	Cover	Stainless steel
7.	Gasket	EPDM rubber
8.	Key	Stainless steel A2
9.	Set screw	Stainless steel A2
10.	Gasket	EPDM rubber
11.	End cover	Stainless steel
12.	Screw	Stainless steel A2
13.	Disc	Ductile iron GJS-500-7 (GGG-50)
14.	Stub shaft	Stainless steel 431
15.	Spacer	Bronze
16.	Thrust bearing	Bronze
17.	End plate	Ductile iron GJS-500-7 (GGG-50)
18.	Washer	Stainless steel A2
19.	Bolt	Stainless steel A2
20.	Screw	Stainless steel A2
21.	O-ring	EPDM rubber
22.	O-ring	EPDM rubber
23.	Gasket	EPDM rubber
24.	Nut	Stainless steel A2
25.	O-ring	EPDM rubber
26.	O-ring	EPDM rubber
27.	Screw	Stainless steel A2
28.	Seal retainer ring	Stainless steel
29.	Seal ring	EPDM rubber
30.	Gearbox	Cast iron