High Resolution Precision Metering Valve - Model HR-0

HR-0 The HR Series High Resolution Control Valves contain unique design features that make them the ultimate choice for precise low flow control, including:
  • Spring loaded, non rising adjustment stem with 56-pitch thread provides smooth, non-reversing flow characteristics and 15-turn resolution
  • Non-rotating stainless steel valve pin with precision ground flat gives exact control
  • Valve pin o-ring guarantees positive shut-off without stem damage
  • Self-lubricating orifice liner assures long life
  • Seven available needle tapers expand valve capacity
Porter metering valves are designed for extremely precise control in low flow gas and liquid applications. They are available as valve cartridges, integrally mounted in flowmeters and in-line valve assemblies with straight or angle patterned bodies. All in-line valve assemblies have 1/8’’ female NPT inlet and outlet ports.

Request additional info or a quote.
Get Info or a Quote

Capacities for High Resolution Control Valves

Needle Size (HRVC) 0 1 2 3 4 5 6
Max Flow cc/min.- Helium 95 220 450 1250 3600 12500 50000
cc/min.- Water 2 6 15 30 100 200 900

Ratings: Maximum Operating

Temperature°F Pressure PSIG
Brass Model 160 250
Stainless Steel Model 250 250

Connections: 1/8" Female NPT (integral)

Materials of Construction

Model Body Valve Pin Valve Pin Holder O-Rings Orifice
HRCV Brass
Nickel Plated Brass 316 SS Brass Buna N Brass w/ Fluorosint® liner
HRCV Stainless Steel
316 SS 316 SS 316 SS Viton Brass w/ Fluorosint® liner
SCV Brass
Nickel Plated Brass 316 SS 316 SS Buna N Brass
SCV Stainless Steel
316 SS 316 SS 316 SS Viton 316 SS


Download the complete PDF for more details and ordering information

Request info or a quote on this product

Request Information

Get prompt assistance on a Parker flow product or application challenge.

Get A Quote

Need pricing on a specific or custom Parker Instrument?

Locate A Representative

Use our Rep Locator to find the appropriate representative for your area.
We'd love to share this file with you, but first you need to log in or register for an account.

First Name:
Last Name:
Porter Instrument Division respects your privacy, and does not share information with third party companies. View website policies and contact information.