Types SV and SL NS 6
Nominal sizes 6 to 32
With optional leak-oil port
Optionally with pre-decompression (nominal sizes 10 to 32 only)
4 opening pressures
For subplate mounting ("P"):
NS 6: Porting pattern to DIN 24 340 form A, ISO 4401 and CETOP-RP 121 H, subplates to R
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