Model 11 Low Dead Volume Valve (Ldv) Specifications - Siemens Maxum II PD PA AP Service Manual

Minimum sample pressure before it is neces‐
sary to apply vacuum assistance to lower
chamber:
Maximum leak rate between ports:
Material in contact with sample:
Connection size and type:
Actuating air: (Lower port on manifold)
Lower Seal Disc Purge Gas: (Upper 2 ports
on the manifold)
Total switching time:
Body size:
Mounting:
4.6.11

Model 11 Low Dead Volume Valve (LDV) Specifications

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