Pressure Regulator, Laboratory/Analytical, Forward Product - Model 8286

8286 The Parker Model 8286 regulator utilizes a pneumatically balanced poppet valve to ensure maximum stability over wide variations in supply pressure. It is direct acting, non-relieving and is supplied with a replaceable sintered stainless steel cartridge filter on the inlet. It can be equipped with a stainless diaphragm for reduced permeability.

The Parker Model 8286 is performance tested under simulated operating conditions and is cleaned for analytical instrument service.


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PARKER PRESSURE REGULATORS
Parker Model 8286

The Parker Model 8286 Regulator utilizes a pneumatically balanced poppet valve to ensure maximum stability over wide variations in supply pressure. It is direct acting, non-relieving, and is supplied with a replaceable sintered stainless steel
cartridge filter on the inlet. It can be equipped with a stainless diaphragm for reduced permeability. The Model 8286 is performance tested under simulated operating conditions and is cleaned for analytical instrument service.

• Direct acting
• Non-relieving
• Pressure gauge connection
• Compact design
• Suitable for panel mounting
• All bar stock construction
• Pneumatically balanced poppet valve
• Cleaned for analytical service

Materials of Construction
Body
Aluminum or Stainless Steel
Bonnet
Aluminum
Poppet
Stainless Steel and Buna N or Viton®
Orifice
Stainless Steel
Diaphragm
Fairprene BN-5029 (Buna N on nylon) or Stainless Steel
Range Spring
Music wire or Ni-Span-C®
O-Rings
Buna N or Viton®
Filter Element
Sintered Stainless Steel

Specifications
Ratings
Maximum inlet pressure: 250 PSIG
Maximum working temperature: 160°F
Pressure Drop
Minimum: 10 PSI
Maximum: 100 PSI
Performance
(Based on 60 PSIG helium supply pressure at 50 PSIG outlet pressure)
Supply Rejection:
10 PSI change in supply will not change outlet more than 0.07 PSI
Ambient Temperature Effect (temperature coefficient):
Music wire – (60 PSIG range) 0.008 PSI/°F
Ni-Span-C® - (60 PSIG range) 0.004 PSI/°F
Drift (Fairprene diaphragm):
Less than 0.1% in first 15 minutes to a total of 0.2% long term
(Stainless steel diaphragm):
Less than 0.2% in first 15 minutes to a total of 0.8% long term


Flow Regulation:
From 1 SLPM to 20 SLPM, outlet pressure will not decrease more than 1 PSIG for unit with Fairprene diaphragm
Baseline Oscillation:
0.0012 PSI
Precision Adjustment (resolution):
15 turns
Regulating Range
0 - 2.5 PSIG
0 - 5 PSIG
0 - 10 PSIG
0 - 30 PSIG
0 - 60 PSIG
0 - 100 PSIG
Connections
1/8" FNPT side ports, inlet, outlet and gauge

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