Wintermann

TLB.19 - threaded connection with air inlet..

TLB.20 - reduction nipple (adapter)..

TLB.21 - pump union nut..

TLB.22 - Air bleed cylinder..

TLB.23 –  threaded journal seal..

TLB.24 – sealing screw..

TLB.25 – rod seal..

TLB.26 –  Y-type filter housing..

TLB.29 – pump housing..

TLB.30 – pump bottom segment seal..

TLB.31 – pump lower casing..

TLB.32 – pump rod..