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Piermont Valve & Control
Custom Valves
  • Valves & Regulators
  • Custom Configurations
  • High Pressure
  • High Temperature
  • For Gases & Liquids
  • Custom Valve Products from Piermont

    Piermont Can Meet Your Special Needs - Short Lead Times Are Our Specialty!

    Piermont builds many types of flow control products that can be adapted or combined with others to meet your special needs. If you have a special requirement, we may be able to help you!

    All Piermont Valve & Control products are serialized for traceability, and carry a warranty for materials and workmanship. Warranty varies depending on application.

    Piermont’s Quality Control System is in general conformance with MIL-I-45208. When applicable, Piermont Valve & Control manufactures and 100% tests its products to industry accepted API, ANSI, or military standards and procedures.

    Here are just a few examples of specials Piermont Valve & Control can provide...

    All Metal Check Valve

    3/8" NPT, 8,000 PSI at 700°F. 347 Stainless Steel Body, Inconel Internals. Missle Test Facility.

    Pressure Balancing Valve

    Dual Gas Pressure Balancing Valve Limits Output Pressure Difference to 10 PSI. 1/4" MS 33649 Ports - 10,000 PSI. 17-4 Stainless Steel Body with 304 & 440C Stainless Steel Internals. For Special Missle Gas Charging System.

    Pressure Blocking Valve

    1/4" Self Venting Pressure Blocking Valve. Closes at 2" H2O, 6000 PSI Service. 1/4" SAE O-ring boss ports. Protects Vacuum Purge Pump on Gas Dehydrator. Also used at higher closing pressure as gauge protector.

    Coolant Mixing Valve

    Mixes hot & cold inlet flows into single outlet for temperature command from analog voltage control input. Radar thermal control system. AS4395 08 connections. Aluminum. 1 - 1 1/4" diameter x 8" long.

    Miniature Regulator

    Provides stable low pressure (120 PSI) outlet for military thermal control system. 6,000 PSI inlet. 25CFM. Aluminum & stainless steel.

    Miniature Closed Circuit Relief Valve

    Very low leakage relief valve for airborne cooling system. Opens at 1,000 PSI. Utilizes metal bellows & single O-ring for extremely low leakage. 3/16" tube size. Stainless steel.3/4" diameter x 1 - 1/2" long.

    Precision Relief Valve

    Precise cracking pressure and flow profile. AS4395 08 end connections 4,000 PSI max. Made from 6AL-4V-ELI titanium. Undersea military application.

    Relief Valve

    3/8" Socket Weld High Temperature Relief Valve, 1000 PSI, 1400°F, 347 Stainless Steel Body, Inconel and Ceramic Internals. Missle Test System.

    Full Port Check Valve

    3" ANSI 300, All 316 Stainless Steel, Meets NACE MR01-75. Oil Production Steam Flood Service.

    Super Short Pattern Ball Valve

    3/4" 150# Flange x MS 33656-12 Very Short Pattern, 316 Stainless Steel Ball Valve for Navy Ships Radar Cooling System.

    Differential Pressure Regulator

    Provides output with a fixed difference (above or below) for a second gas stream, from a reference pressure. In this example, output pressure is reference pressure minus 50 psi +-1 psi form 50 to 10,000 psi. 1/2 psi hystersis between reference pressure, pressure increase vs. decrease. Stainless steel construction. 4' diameter, 9.5" long rocket test system. 1/8" NPT Connections.

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