Page 35 - Parker - Instrumentation process analyzer condensed catalog

NV55 Series 316L SS, High Flow,
Compact Size Valve

Product Features & Benefits

• Internally threadless and • Cleaned for O service.
2
springless.
• Ideal for high flow
• High cycle life. applications.

• Compact size. • Fully functional from vacuum
to 125 psig for AOP valves
• Positive, consistent shut off. and 250 psig for manual
valves.
• Metal-to-metal seal to
atmosphere.

Functional Performance
Flow Capacity
Operating Conditions AOP versions,
Indicator Knob and C 0.55
v
Operating Pressures Handwheel
Manual vacuum to 250 psig (17.2 barg) Lever versions C 0.48
v
AOPLP vacuum to 125 psig (8.6 barg) Leak Rate
Actuator Pressure 70 - 125 psig (4.8 - 8.6 barg) Internal Bubble Tight
Temperature -15°F to 150°F (-26°C to 66°C) External Bubble Tight
* For detailed information on Materials of Construction, visit us at
www.parker.com/veriflo to review the complete product literature sheet.

Ordering Information

1 2 3 4
Sample: NV55 LL S 44MM VESP
Finished Order: NV55LLS 44MMVESP

1
3
Type Connections 4 Optional Features
AOPLPNC = Air Operated, Low 44MM = 1/4” Male NPT In & Out This section can have multiple options
Pressure, Normally 44FF = 1/4” Female NPT In & Out PM = Panel Mount (not available
Closed 44TT = 1/4” Compression In & Out with Indicator Knob (I) or AOP
AOPLPNO = Air Operated, Low 66MM = 3/8” Male NPT In & Out units (AOPLPNC or AOPLPNO)
TM
Pressure, Normally 66FF = 3/8” Female NPT In & Out PEEK = PEEK Seat (not available
Open 66TT = 3/8” Compression In & Out with VESP option)
®
I = Indicator Knob 88MM = 1/2” Male NPT In & Out VESP = Vespel Seat (not available
with PEEK™ option)
L = Lever 88FF = 1/2” Female NPT In & Out Note: Vespel seat material is
LL = Locking Lever 88TT = 1/2” Compression In & Out recommended for Nitrous Oxide
M = Mini Lever Compression ends include nuts and ferrules (N O) service.
2
S = Spin Handwheel
2 Material
S = Stainless Steel 35