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Exceeding the industry standard of 30,000 psi, Maximator® high pressure needle valves feature stainless steel, metal-to-metal seats and can be used with either gases or liquids.

We offer a large selection of 2-way and 3-way high pressure valves available with 1/4, 3/8 and 9/16" O.D. and 4HF, 6HF and 9HF high pressure connection types, respectively.

Top rated for pressures to 36,000 psi, our needle valves have a high level of safety and reliability under adverse operating conditions.

Select one of the options listed below for information on the specific needle valve styles. All high pressure valves include glands and collars.

Additionally we offer specialty packing for valves that must operate in extreme temperatures from -423 F to 1200 F. Please consult a MAXPRO® representative about this type of specialty packing.

MAXPRO® offers a complete line of high pressure components, including low and Ultra-High pressure needle valves.
65V4H071
Unit of Measure
Items 65V4H071
36V4H071
1/4 Inch (in) Tube Outside Diameter (O.D.) VEE Stem 2-Way Straight High Pressure Needle Valve
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65V4H071
36V4H081
1/4 Inch (in) Tube Outside Diameter (O.D.) Regulating Stem 2-Way Straight High Pressure Needle Valve
List Price Quote
65V4H071
36V6H071
3/8 Inch (in) Tube Outside Diameter (O.D.) VEE Stem 2-Way Straight High Pressure Needle Valve
List Price Quote
65V4H071
36V6H081
3/8 Inch (in) Tube Outside Diameter (O.D.) Regulating Stem 2-Way Straight High Pressure Needle Valve
List Price Quote
65V4H071
36V9H071
9/16 Inch (in) Tube Outside Diameter (O.D.) VEE Stem 2-Way Straight High Pressure Needle Valve
List Price Quote
Description N/A Top rated for pressures to 30,000 psi, our needle valves have a high level of safety and reliability under adverse operating conditions. N/A Top rated for pressures to 30,000 psi, our needle valves have a high level of safety and reliability under adverse operating conditions. N/A Top rated for pressures to 30,000 psi, our needle valves have a high level of safety and reliability under adverse operating conditions. N/A We offer a large selection of 2-way and 3-way high pressure valves available with 1/4, 3/8 and 9/16" O.D. and 4HF, 6HF and 9HF high pressure connection types, respectively. N/A We offer a large selection of 2-way and 3-way high pressure valves available with 1/4, 3/8 and 9/16" O.D. and 4HF, 6HF and 9HF high pressure connection types, respectively.
Valve Series N/A 36V Series High Pressure Valves
Valve Pattern N/A 2-Way Straight
Stem Type N/A Vee Stem N/A Regulating Stem N/A Vee Stem N/A Regulating Stem N/A Vee Stem
Tube Outer Diameter (O.D.) N/A 1/4 in N/A 1/4 in N/A 3/8 in N/A 3/8 in N/A 9/16 in
Orifice Size N/A 0.094 in N/A 0.094 in N/A 0.125 in N/A 0.125 in N/A 0.125 in
Dimension A N/A 4.96 in N/A 4.96 in N/A 4.96 in N/A 4.96 in N/A 5.00 in
Dimension B N/A 2.01 in N/A 2.01 in N/A 2.01 in N/A 2.01 in N/A 2.44 in
Dimension C N/A 1.50 in N/A 1.50 in N/A 1.50 in N/A 1.50 in N/A 1.56 in
Dimension D N/A 0.22 in
Dimension E N/A 0.37 in
Dimension F N/A 1.38 in
Dimension H N/A 2.95 in
Dimension I N/A 1.12 in
Dimension J N/A 2.01 in N/A 2.01 in N/A 2.01 in N/A 2.01 in N/A 2.64 in
Valve Panel Hole N/A 1.00 in
Block Thickness N/A 1.02 in N/A 1.02 in N/A 1.02 in N/A 1.02 in N/A 1.54 in
Pressure Rating N/A 36,000 psi
Temperature Range N/A -423 to 1200 ºF
Connection Type N/A 4HF N/A 4HF N/A 6HF N/A 6HF N/A 9HF
Special Designs for Extreme Temperatures N/A Special Designs for Extreme Temperatures
Standard valves are supplied with Polytetrafluoroethylene (PTFE)/Carbon packing and may be operated to 450ºF. High temperature packing and/or extended stuffing box are available for service from -423ºF to 1200ºF by adding the following suffixes to catalog order number.
  • TG standard valve with Polytetrafluoroethylene (PTFE) glass packing to 600 ºF.
  • GY standard valve with graphite braided yarn packing to 800 ºF.
  • HT extended stuffing box valve with graphite braided yarn packing to 1200 ºF.
  • B standard valve with cryogenic trim materials and Polytetrafluoroethylene (PTFE) packing to 100 ºF.
  • LT extended stuffing box valve with Polytetrafluoroethylene (PTFE) packing and cryogenic trim materials to -423 ºF.
Extreme Temperature Option N/A B GY HT LT TG
Repair Kits N/A Consult your MAXPRO® representative for repair kits and valve bodies.
Maximator® Manufacturing N/A Maximator® has been designing and manufacturing high pressure equipment for more than thirty years and has a worldwide reputation for quality and reliability, backed by one of the best service organizations in the industry.
Maxpro® N/A MAXPRO® offers a complete line of high pressure fittings, tubing, check valves, line filters, anti-vibration fittings and safety head assemblies. All high pressure valves and fittings use the high pressure style connection.
Dimension G N/A G Panel mounting screw thread size 10-24 UNC.
Terms and Conditions N/A
  • All dimensions are for reference only and subject to change.
  • All general terms and conditions of sale, including limitations of our liability, apply to all products and services sold.
CAD N/A STEP File for 36V4H071
N/A STEP File for 36V4H081
N/A STEP File for 36V6H071
N/A STEP File for 36V6H081
N/A STEP File for 36V9H071