This may be asking for the impossible but i thought i'd ask anyway! I'm looking for a supplier of a small needle valve as current supplier is making product range currently supplied obsolete. Main issues encountered so far are finding valve of the same dimensions as the valve is used in a system which has limited scope for changing access/fitting envelope.

Needle valve required is approx 60mm x 40mm (right angle ports) addditional length of approx 35mm with control knob. Flow rate spec is 0 - 2 l/min at 1 bar (12 turns) and 0-6 l/min at 5 bar (12 turns)  
Port fittings are also an issue as i require an NW10 flange on one port and and an SC5 coupling on the other!

CV is 0.005, orifice size 0.8mm.

I have used several different types of neeedle valve.
I have had better success with Swagelok as far as service and selection of various options.  Parker is a good product, and less expensive, but some of the options for different flow curves are not available or not equal to Swagelok.

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