Pressure Regulator, Laboratory/Analytical, Forward Product - Model 4000

4000 The Parker Model 4000 regulator is a high performance miniature sized pressure regulator with a compact diameter of only 1-1/8". It fits easily into the smallest of instruments, yet its performance surpasses that of many competitive large diaphragm regulators. It is direct acting, non-relieving and provides minimal output change over a wide variation in supply pressure.


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PARKER PRESSURE REGULATORS
Parker Model 4000

The Parker Model 4000 Regulator is a high performance miniature size pressure regulator. With a compact diameter of only 1-1/8", it fits easily into small instruments, yet its performance surpasses that of many competitive large diaphragm regulators. It is direct acting, non-relieving and cleaned for analytical instrument service.

•Miniature size
•Direct acting
•Non-relieving
•Suitable for panel mounting
•All bar stock construction
•Cleaned for analytical service

Materials of Construction
Body
Aluminum
Bonnet
Aluminum
Poppet
Stainless Steel
Orifice
Stainless Steel
Diaphragm
Stainless Steel
Range Spring
Music wire

Specifications
Flow Capacity
15 SLPM (typical maximum flow with 60 PSIG helium supply pressure and 15 PSIG outlet)
Ratings
Maximum operating pressure: 250 PSIG
Maximum operating temperature: 160°F
Total Pressure Drop
Minimum: 10 PSI
Maximum: 250 PSI
Performance
(Based on 60 PSIG helium supply pressure at 15 PSIG outlet pressure)
Supply Rejection:
10 PSI change in supply will not change outlet more than 0.05 PSI
Ambient Temperature Effect (temperature coefficient):
0.013 PSI/°F (0.024 PSI/°C)


Drift (Fairprene diaphragm):
Less than 0.2% in first 15 minutes to a total of 0.6% long term
Flow Sensitivity (droop):
From 2 SCCM to 250 SCCM helium outlet pressure will not change more than 0.2 PSIG for unit with Fairprene diaphragm
Baseline Oscillation:
0.0012 PSI
Precision Adjustment (resolution):
15 turns
Regulating Range
0 - 10 PSIG
0 - 30 PSIG
0 - 60 PSIG
0 - 100 PSIG
Connections
1/8" compression fittings, inlet and outlet, 10-32 UNF-2B gauge

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