H Series Needle Valves and Gauge Valves Max 10000 PSI (Std)
Parker H Serie Hand Valves & Gauge Valves – Precision, Safety and Versatility for Demanding Applications
Parker’s range of Hand Valves and Gauge Valves is engineered to deliver outstanding performance and safety in critical process environments. With a wide selection of valve types, sizes, and materials, Parker offers complete solutions for accurate flow control and pressure measurement across all industries.
Valve Types and Variants
HNV Series: Straight pattern hand valves – ideal for precise regulation in low-flow applications.
HNAV Series: Angle pattern hand valves – optimized for compact installations.
HNVV Series: Single block gauge vent valves – perfect for safe isolation and maintenance.
HGV Series: Multi-port gauge valves – provide flexibility for instrumentation and accessories.
HRPV Series: Rising plug valves – designed for contaminated media and high-integrity sealing.
Sizes and Connections
Parker valves are available with a wide range of thread types and tube sizes:
NPT, BSPT, BSPP, metric and imperial sizes
Integrated A-LOK® and CPI™ compression fittings
PTFree connect™ – threadless connections for fast and secure installation
Available sizes: from 1/8” to 1” and 2 mm to 25 mm
Materials and Pressure Ratings
Valves are manufactured in high-performance materials including:
316/316L Stainless Steel
Duplex and Super Duplex
6MO, Alloy 625, Alloy 825, Monel (M400), Titanium and more
Pressure classes:
Up to 6,000 psi (414 bar) and 10,000 psi (689 bar) depending on model and material
Certifications and Standards
Parker valves are designed and tested to meet international standards:
ASME B16.34, API 598, ISO 5208, NACE MR0175/ISO 15156
TA-Luft and ISO 15848-1 for low-emission compliance
Fire Safe certified to API 607 / ISO 10497
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