Page 1357 - Softbound_Edition_19_en

Drain valve
Pipe failure valves Drain valves

drain valve
CHARACTERISTICS Oil viscosity υ = 30 mm /s
2
∆p = f (Q) Pressure drop characteristic Q = f (n) Cut-off volume flow characteristic Sandwich construction ®
P → A A → P • Q max = 25 l/min NG4-Mini
p [bar] Q [l/min] • p max = 350 bar
8 K0612 36 K0613
30
6
24 
4 18 dESCRIPTION FUNCTION APPLICATION
12 Drain valve NG4-Mini with interface acc. to A spherical, hardened clasing element seals the Drain valves are mainly used in systems with
2 Wandfluh standard. Sandwich design. Valves pressurised part leak free against tank port. By an accumulator wich need to be depressu-
A 6 for 3 flow directions are available. The sandwich turning the knob the connection to tank will be rised for revisions. Amang the benefits from
0 0 body is made from phoshated steel. The turn opened. Knob may be bloched in any position NG 4 Mini sandwich elements are flexibility in
0 5 10 15 20 25 30 Q [l/min] 0 0,5 1 1,5 2 2,5 3 3,5 4 n [-]
P A knob from anodised aluminium. by a set screw. system lay-out, small space requirement and
low weight.
P

DIMENSIONS TYPE COdE
RBSG1012 RBSW1012 B AH 4 / #

Mounting interface acc. to Wandfluh standard
s32 s32
G3/8" 32 Drain valve
Type list / Function
P → T P
P A → T A
B → T B
10 10
Normal size 4-Mini
P G1/2" Threaded connection open O

V

Screw plug

10 35 34 10 34 Breite 40 Minimess screw coupling M
20
Design-Index (Subject to change)
23 max. 23 max. GENERAL SPECIFICATIONS HYdRAULIC SPECIFICATIONS
G1/2" G1/2"
Description
Fluid
Mineral oil, other fluid on request
Drain valve
A A Nominal size NG4-Mini acc. to Wandfluh standard Contamination efficiency ISO 4406:1999, class 20/18/14
Sandwich construction
(Required filtration grade ß 10...16≥75)
Construction

20 10 Mounting 3 holes for hexagon socket screw M5 refer to data sheet 1.0-50/2
s3 s3 or studs M5 Viscosity range 12 mm /s…320 mm /s
2
2
s10 s10 Connections Connection plates Fluid temperature -20…+70 °C

Peak pressure in
Mulit-station flange subplate
32 31,5 Longitudinal stacking system ports A, B, P p max = 350 bar
52 Ambient temperature -20…+50 °C Peak pressure p = 50 bar
port T
Mounting position
any
Fastening torque M = 5,5 Nm (Quality 8.8) Max. volume flow Q max = 25 l/min
D
PARTS LIST Weight m = 0,75 kg max
Position Article Description
10 160.2236 O-ring ID 23,52 x 1,78 SYMBOLS / TYPES
20 160.2253 O-ring ID 25,00 x 2,00 BAHP4 BAHA4 BAHB4
Technical explanation see data sheet 1.0-100
A P T B A P T B A P T B

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 Data sheet no.
Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.7-140E 2/2 Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.7-150E 1/2
∗
CH-3714 Frutigen Edition 09 51 CH-3714 Frutigen 5,5 60 Edition 03 26
Page 1357
1,5

30
15

1,5

50 ∗ 40
10

4,2

30

38

28
14
A,B= 1 P=5 P

28 A B
27 14 40
T To 22,9

52 ( 27)
32,5 79