Fisher 1808 Instruction Manual page 10

Pilot-operated relief valves/backpressure regulators
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Types 1808 and 1808A
P590 Series
Key
Description
1
Filter Body
Type P594-1, Brass
Type P593-1 (NACE), Aluminum
2*
Filter Element, Cellulose
3
Filter Head
Type P594-1, Brass
Type P593-1 (NACE), Aluminum
4
Machine Screw
Type P594-1, Brass
Type P593-1 (NACE), Aluminum
5
Washer, 2 required
Type P594-1, Brass
Type P593-1, Aluminum
6*
Spring Washer, Steel
7*
Gasket, Composition
12
Seal Wire,
304 Stainless Steel (for Type P593-1, NACE only)
Types 6358 and 6358B Pilots
Key
Description
1
Body
CF8M Stainless steel
Aluminum
2
Spring Case
316 Stainless steel
Aluminum
3
Body Plug
316 Stainless steel
Aluminum
4*
Valve Plug
303 Stainless steel/Nitrile (NBR) (standard)
UHMWPE
5*
Diaphragm Assembly
Steel / Nitrile (NBR) (standard)
Steel / Neoprene (CR)
Steel / Fluorocarbon (FkM)
Steel / Nitrile (NBR) (for Type 6358B only)
2 to 10 psig (0,14 to 0,69 bar)
*Recommended spare part.
Inconel
is a marked owned by Special Metals Corporation
®
10
Part number
Key
Description
6
Connector Cap
1E312414012
18-8 Stainless steel
1E3124X0022
316 Stainless steel
1E312606992
7
Spring
3 to 18 psig (0,21 to 1,2 bar), Green
1E312514012
15 to 40 psig (1,0 to 2,8 bar), Yellow
1E3125X0022
35 to 125 psig (2,4 to 8,6 bar), Red
8
Spring Seat, Steel
9
Stem Guide
1J500218992
416 Stainless steel (standard)
1J500209012
174 Stainless steel
10
Adjusting Screw, Zinc-plated steel
1J500018992
11
Locknut, Steel
1J500010062
12
Closing Cap
1H885128982
Plastic
1F826804022
303 Stainless steel
13* Body Plug Gasket, Composition
1U7581X0022
14
Valve Spring
302 Stainless steel (standard)
Inconel
16
Vent Assembly (2 required)
Part number
17
Machine Screw, (6 required)
Stainless steel
39A5972X012
Steel
39A0138X012
20
Restriction
Type 6358
28A9277X012
Steel
25A6220X012
Stainless steel
Type 6358B
1B797535072
High-Gain, Yellow
1B797509032
Steel
Stainless steel
14B6372X012
20* Restriction
16A2924X012
Type 6358B
Medium-Gain, Steel, Red
15A6216X072
Low-Gain, Steel, Blue
15A6216X212
36* Gasket, Fluorocarbon (FKM), (2 required)
15A6216X172
37* O-ring
Nitrile (NBR)
15A6216X182
Fluorocarbon (FkM)
®
Part number
16A2921X012
16A2921X022
1B986027212
1E392527022
1k748527202
1B798525062
16A2923X012
16A2923X022
10B7192X012
1A946324122
23B9152X012
1H2369X0032
1C495704022
1E701337022
19A8179X012
Type Y602-12
10B6189X022
1V4360X0022
1A346128982
1V7435X0012
17A7279X012
17A7279X032
17A2029X012
17A7277X012
1U1716X0012
16A2920X012
16A2920X022

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1808a

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