Page 870 - Softbound_Edition_19_en

Back pressure valve

Back pressure valve
NG6
Sandwich construction ISO 4401-03
◆ pilot operated or direct operated
◆ p = 400 bar
max
◆ p N max = 350 bar
◆ Q = 80 l/min
max

DESCRIPTION APPLICATION
Pilot or direct operated backpressure valve in sandwich construc- Backpressure valves with pressure adjustment in A, B, AB or T, are
tion. The backpressure valve, also called pre-loading valve, opens used for pre-loading of cylinders / motors, resp. for reaching a back

the main spool when the adjusted pressure is reached. pressure.

SYMBOL
Sandwich execution Sandwich execution Sandwich execution Sandwich execution
G..SA..-A G..SA..-B G..SA..-AB G..SA..-T

A P T B A P T B A P T B A P T B

Note! ◆ Direct operated execution drawn
◆ All variants are also available pilot operated

TYPE CODE
G S A06 - - - #
Back-pressure valve

Direct operated A
Pilot operated V
Type of adjustment Key S
Control knob D
Cover A
Sandwich construction

Mounting interface acc. to ISO, NG6
Type list / Function in T T in A A
in A and B AB in B B
Nominal pressure range (p ) of the built-in screw-in cartridge
N
Sealing material NBR
FKM (Viton) D1
Design index (subject to change)
2.1-740

www.wandfluh.com Illustrations are not binding Data subject to change 1/3 Edition: 21 32 2.1-740 E