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H Series Needle Valves


Specifically designed and tested for ANSI B31.1 compliance, these H Series Valves can be used for a wide variety of flow controls. The non-rotating stem tip and metal-to-metal sealing provide confidence with bubble-tight shut-off.


• Tru-Lok® safety bonnet locking device prevents accidental stem removal
• Graphite packing for high temperature service
• Blowout-proof stem

> Learn more about Parker H Series Needle Valves

Additional Flow Control Products:

Purge Adapters
• Parker PGI High Temperature Purge Adapters

Metering Valves
• HR Series – Shut-off Capability
• N Series – General Purpose and High Flow Valve

Needle Valves
• Hi-Pro Series – ANSI / ASME B31.1 & B31.3 COMPLIANT High Pressure Needle Valves
• NV/HNV Series – Globe Style Bar Stock Needle Valves
• U Series – ANSI / ASME B31.1 & B31.3 COMPLIANT Union Bonnet Needle Valves
• V Series – Integral Bonnet Valves (5,000 psi)

Hand Valves

All Parker Hand Valves are ANSI / ASME B31.1 & B31.3 COMPLIANT
• FB Series – Bellows Valves (6,000 psi) – ANSI / ASME B31.1 & B31.3 COMPLIANT
• GV/HGV Series – Multi-Port Gauge Valves
• MPN – Medium Pressure Needle Valves – ANSI / ASME B31.1 & B31.3 COMPLIANT
• PV/HRPV Series – Rising Stem Plug Valves – ANSI / ASME B31.1 & B31.3 COMPLIANT


• Instrument lines
• Steam lines
• Transmitter lines
• Flow control

Parker Hannifin Corporation
6035 Parkland Blvd.
Cleveland, OH 44124
Tel: +1 216 896 3000