| Introduction
Parker C Series Check Valves are designed for uni-directional flow control of fluids and gases in
industries such as chemical processing, oil and gas production and transmission, pharmaceutical, pulp
and paper, power and utilities. Features
Resilient, custom molded, blow-out resistant seat design
Back stopped poppet minimizes spring stress
99% factory tested for both crack and reseat
Cracking pressures include: 1/3, 1, 5, 10, 25, 50, 75, and
100 psi.
Port connections include male and female NPT, CPI™,
A-LOK®, UltraSeal, VacuSeal, BSP, SAE and Seal-Lok®
Heat code traceabilitySpecifications
Pressure Rating:**
316 SS – 1/8" to 3/4": ....................6000 psig (414 bar) CWP
1": ..................................5000 psig (345 bar) CWP
All sizes with PTFE Seats: .............4000 psig (276 bar) CWP
Brass – 1/8": to 1": .........................3000 psig (207 bar) CWP
Temperature Rating:
Fluorocarbon Rubber ....... -15°F to +400°F (-26°C to +204°C)
Nitrile ............................... -30°F to +275°F (-34°C to +135°C)
Ethylene Propylene Rubber
......................................... -70°F to +275°F (-57°C to +135°C)
Neoprene Rubber ............ -45°F to +250°F (-43°C to +121°C)
PTFE ............................... -65°F to +400°F (-54°C to +204°C)
Highly Fluorinated Fluorocarbon Rubber
........................................... -15°F to +200°F (-26°C to +93°C)
Orifice: ......................... .078" to .656" (2.0 mm to 16.7 mm)
Cv: ........................................................................ .18 to 6.56 具体参数详情请参见样本！ |
