Page 1349 - Softbound_Edition_19_en

Check valves Check valves
Check valve
1 2 3 4 5
CHARACTERISTICS Oil viscosity υ = 30 mm /s Non-return valve
2
∆p = f (Q) Pressure drop charakteristic hydraulic pilot A 6.5 A
1 Pressure drop A --> Cyl. or B --> Cyl. Sandwich construction NG10
AERVA6
ADERV6 2 Pressure drop Cyl. --> A or Cyl. --> B AERVB6 ISO 4401-05
with check valve fully open • Q max = 100 l/min 49.5
p [bar] • p max = 250 bar
20 K0321 1
B B
15 54
DESCRIPTION FUNCTION 136.4 APPLICATION
P
10 Sandwich type non-return valve NG10 with In the free flow direction, the volume flow opens Pilot operated non-return valves are used to
100
18.2
2 hydraulic pilot acc. to ISO 4401-05. The valves the valve seat against a spring. The spring shut off pressurised hydraulic cylinders, e.g.
16.8
1.5
A
P
B
46
A P T 5 B A P T B A P T B allow a free flow in one direction and shut off C helps the valve close in the opposite direction. in lifting or clamping fixtures, without leaking.
in the opposite direction. 3 different standard If pressure builds up in the opposite oil port, The hydraulic cylinder can olny be moved in the
A
B
9.7
T
To
60
0 versions are available. The sandwich body this displaces the pilot piston and opens the shut off direction if a directional valve directs
20.8
To
T
0 5 10 15 20 25 30 Q [l/min] made of steel is zinc-nickel coated. non-return valve of the closed port. The pilot the volume flow into the opposite port and
24
pressure required is dependet on the pressure releases the valve. Reliability in operation is
DIMENSIONS held by the valve seat. 10 increased ba a directional valve which connects
20

Gezeichnet
09.11.2018
VOF

MW
03.08.2021
01 02 22.07.2021 ROD ROD both oil ports to the tank in the neutral position.
Aktualisieren auf #2, Unterlegdichtscheiben hinzugefügt
Geprüft
20 10 Rev. Rückschlag-Sandwichventil entsperrbar NG10 Ersetzt durch: M 1:1 Serie freigegeben Gewicht Modellreferenz: Doknr. 0226462 / Kon guration 002
TK
03.08.2021
Ansicht von Vorne hinzugefügt

Freigegeben
03.08.2021
D
Name Änderungsnr.
Änderungsbeschrieb
Datum
Sandwich type elements NG10 mean that the
5,5 A...10 Dok.-Nr. Format
2.444 kg
Ersatz für:
A3
system is highly flexible. 0243078 Revision
Dokument darf ohne schriftliche Einwilligung weder kopiert,
Art.-Nr.
verwertet noch an Dritte weitergegeben werden.
Zuwiderhandlung ist strafbar und wird gerichtlich verfolgt. DB 2.7-100 02
1 2 C:\00_Wand uh\Verkauf\Dokumentation\Reg2.7\DB 2.7-100\0243078 Blatt 1 von 1
TYPE CODE
A 10 #
42 International standard interface ISO
Type list / Function
in A and B DERV
in A ERVA in B ERVB
6,2 110 6,2 Nominal size 10
30 Design-Index (Subject to change)
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Description Non-return valve hydraulic pilot Fluid Mineral oil, other fluid on request
Nominal size NG10 acc. to ISO 4401-05 Contamination efficiency ISO 4406:1999, class 20/18/14
T Construction Sandwich construction (Required filtration grade ß 10...16>75)
A B Mounting 4 holes for socket cap screws M6 refer to data sheet 1.0-50/2
2
2
31 21 32,5 45 Connections or studs M6 Viscosity range 12 mm /s…320 mm /s
Fluid temperature
Connection plates
-20…+70 °C
Mulit-station flange subplate Peak pressure p max = 250 bar
P Longitudinal stacking system Opening pressure p = 2 bar
ö
Ambient temperature -20…+50 °C Pilot ratio i = 1:5
Mounting position any Max. volume flow Q max = 100 l/min
Fastening torque M = 9,5 Nm (quality 8.8)
17,8 Weight m = 2,1 kg
D
40,5
PARTS LIST SYMBOLS / TYPES
Position Article Description ADERV10 AERVA10 AERVB10
10 239.2100 Plug G1/2"
20 049.2212 Bonded seal 21,5x28,7x2,5
30 160.2093 O-Ring ID 9,25x1,78

Technical explanation see data sheet 1.0-100
A P T B A P T B A P T B
10 10
6,5
Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no. Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory 6,5 Data sheet no.
Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.7-90E 2/2 Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.7-100E 1/2
CH-3714 Frutigen Edition 03 26 CH-3714 Frutigen Edition 21 32
Page 1349
50 50
16,2 100 16,2 16,2 100 10,8
20 20
54 54
P 16,8 P 16,8
1,5 A B 1,5
60 s24 T A B To 46 60 s 24 46
9,7 T To 9,7
20,8 20,8
48 48