Deltrol
                Male to Female Flow Control Valves
                Flow Control:  A spring biased ball provides full flow 
in one direction; a tapered needle 
provides a wide range of adjustment 
of flow in the controlled direction. 
A locknut prevents unwanted 
changes in adjustment. A knurled 
knob is standard; a tamperproof 
adjustment key is available.
Specifications: 
Maximum Operating Pressure 
 (Non-Shock Service) 
- Brass—2,000 PSI 
- Carbon Steel — 5,000 PSI 
Operating Temperature Range 
 (O-Ring Packing) 
Threads 
- NPTF Standard, 1/8”, 1/4”, 3/8” and 1/2”. 
Materials 
- Housing, Plug, Body — Hexagon Brass, Hexagon 
 Carbon Steel 
- Needle —416 Stainless Steel on Steel Valves 
- Needle — Brass on Brass Valves
- Back-up Washer — Teflon 
- Knob — Aluminum 
- Tamperproof Key — Cadmium Plated Steel
 Ball — Stainless Steel
 Retainer — Stainless Steel 
- Spring — Stainless Steel