Needle Valves
Hy-Lok needle valves offer secure, leak-free connections and provide the lowest overall cost of any
instrument needle valve used in the market today.  Rugged and compactly designed, Hy-Lok offers
a wide range of sizes (1/8" to 1"), and stem tips (v-stem, regulating, and soft seat).  End connection
options include male / female NPT, Hy-Lok tube fittings, and ISO threads from 1/8" to 1".  
Available in stainless steel, carbon steel, brass, and alloy 400.  
Needle Valve Series: NV, SV, SVH, GB, RP
Ball Valves
Hy-Lok ball and plug valves offer secure, leak-free connections and provide the lowest overall cost
of any instrument ball and plug valve on the market.  Rugged compact design, Hy-Lok offers a wide
range of sizes and seat materials (PEEK, UHMWPE, PVDF, PTFE and PCTFE).  End connection
options include male / female NPT, Hy-Lok tube fittings, and ISO threads from 1/8" to 1".  
Configurations include 2-way, 3-way (side / bottom entry) and 4-way valves.  Optional features
include panel mounting, locking devices and upstream / downstream venting.  Available in
stainless steel, carbon steel, brass and alloy 400.  Pressure
ratings to 10,000 psi and temp to 500F.  Series: 105, 110, 112, SO, T, P, 102, 115
Check & Relief Valves
Hy-Lok check and relief valves offer secure, leak-free connections and provide the lowest overall
cost of any instrument check and relief valve used in the market today.  Rugged and compactly
designed, Hy-Lok offers a wide range of sizes and cracking pressures.  End connecdtion options
include male / female NPT, Hy-Lok tube fittings, metal gasket and O-ring face seals.  Available in
stainless steel, brass and alloy 400.

Check and Relief Valve Series:  700, 700H, RV, CVA
Neptech Inc.
Neptech 810-225-2222
Heat Waves Industry News
chassis box temperature controller
instrument valves
www.neptechinc.com