Minimum sample pressure before it is neces‐
sary to apply vacuum assistance to lower
chamber:
34.5 kPa (5 psig)
Maximum leak rate between ports: Less than 1 μl per minute
Material in contact with sample: 316 stainless steel and TFE, standard. Monel and Teflon, or Hastelloy and
Teflon available on request. PFA available on request.
Connection size and type: 1.6 mm (
1
/
16
") O. D. tubing, with Swagelok® fittings
Actuating air: (Lower port on manifold) Max. 345 kPa (50 psig) instrument air standard. Helium or nitrogen may be
substituted for air. 20 ml (at standard temperature and pressure) of actuating
air required for each valve operation.
Lower Seal Disc Purge Gas: (Upper 2 ports
on the manifold)
5 cc/min of (typically) same gas as carrier
Total switching time: 150 ms (total time from initiation of command signal to completion of change
in valve state)
Body size: 57.2 mm (2
1
/
4
") diameter by 76.2 mm (3") height
Mounting: Clamp type
4.6.11 Model 11 Low Dead Volume Valve (LDV) Specifications
Internal loop sample size: 2 and 5 μl standard. Other sizes on special request.
External loop sample size: 15 μl and larger. 170 μl is standard.
Sample filter: 5 μm recommended (not furnished with valve).
Cap screw (33) Torque Setting: 3.95±0.11 Nm (35±1 inch-pounds)
Base Screw (12) Torque Setting: 0.73±0.11 Nm (6.5±1 inch-pounds)
Maximum operating temperature: 122°C (250°F) standard
66°C (150°F) 2000627-014
Maximum sample pressure: Up to 2068 kPa (300 psig). Up to 414 kPa (60 psig) 2000627-014
Minimum sample pressure before it is neces‐
sary to apply vacuum assistance to lower
chamber:
34.5 kPa (5 psig)
Maximum leak rate between ports: Less than 1 μl per minute
Construction material in contact with sample: 316 stainless steel and Teflon, standard. Monel and Teflon, or Hastelloy and
Teflon available on request.
Connection size and type: 1.6 mm (
1
/
16
") O. D. tubing, with Swagelok® fittings
Actuating air: (Lower port on manifold) Max. 345 kPa (50 psig) instrument air standard. Helium or nitrogen may be
substituted for air. 20 ml (at standard temperature and pressure) of actuating
air required for each valve operation.
Lower Seal Disc Purge Gas: (Upper 2 ports
on the manifold)
5 cc/min of carrier (normally helium)
Total switching time: 150 ms (total time from initiation of command signal to completion of change
in valve state)
Body size: 57.2 mm (2.25") diameter by 76.2 mm (3") height
Mounting: Clamp type
Valves
4.6 Model 11 Valve
Maxum II Valves and Oven Components
Service Manual, 10/2018, A5E42019844001 99
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