ASCO 8317/8321 Series Quick Exhaust 3-Way Solenoid Valves
Quick Exhaust 3-Way Solenoid Valves
8317/8321 Series
Solenoid pilot operated piston valves available in normally closed and normally open constructions. Available either AC or DC operated with brass or stainless steel bodies.
• Designed for quick venting to 0 psi through the exhaust orifice
• Resilient seated poppets for tight shutoff
• Air is exhausted to quickly shift control valves
• Multi-industry applications
• Mountable in any position
SOLENOID ENCLOSURES
Standard: Watertight, Types 1, 2, 3, 3S, 4, and 4X.
Optional: Explosionproof and Watertight, Types 3, 3S, 4, 4X, 6, 6P, 7, and 9.
(To order, add prefix “EF” to the catalog number.)
Select a link under the "item" tab below to order.
| Cat # | Pipe Size (ins.) | Min. | Const.Ref. | Max. Fluid Temp. °F AC | Max. Fluid Temp. °F DC | AC | DC | Model: | Max. AC Water | Max. DC Water | Max.AC Airinert Gas | Max.DC Airinert Gas | Stainless Steel Body Catalog Number | Stainless Steel Body Const. Ref. | Max. AC Lt. Oil @ 45 SSU | Max. DC Lt. Oil @ 45 SSU | Press. | Orifice Size (ins.) Press | Orifice Size (ins.) Exh. | Exh. |
| 8317G007 | 1/4 | 5 2 | 2 | 180 | 104 | 10.1/F | 11.6/F | NORMALLY CLOSED (Pressure at Port 2) / NORMALLY OPEN (Pressure at Port 3) | 50 | 30 | 80 | 40 | 8317G008 | 4 | 50 | 15 | .20 | 3/32 | 1/4 | .73 |
| 8317G035 | 1/4 | 5 2 | 2 | 180 | 104 | 10.1/F | 11.6/F | NORMALLY CLOSED (Closed when de-energized) | 150 | 55 | 150 | 75 | 8317G036 | 4 | 95 | 30 | .20 | 3/32 | 1/4 | .73 |
| 8321G001 | 1/4 | 10 | 3 | 180 | 120 | 6.1/F | 10.6/F | NORMALLY CLOSED (Closed when de-energized) | 200 | 200 | 200 | 200 | - | - | 200 | 200 | .80 | 9/32 | 11/32 | 1.20 |
| 8321G002 | 3/8 | 10 | 3 | 180 | 120 | 6.1/F | 10.6/F | NORMALLY CLOSED (Closed when de-energized) | 200 | 200 | 200 | 200 | - | - | 200 | 200 | .80 | 9/32 | 11/32 | 1.20 |
| 8317G023 | 1/4 | 5 | 1 | 180 | - | 10.1/F | - | NORMALLY CLOSED (Closed when de-energized), Air Only - Vents to Atmosphere | - | - | 150 | - | 8317G024 | 5 | - | - | .20 | 3/32 | 1/4 | .73 |
| 8317G053 | 1/4 | 5 2 | 2 | 180 | 104 | 10.1/F | 11.6/F | NORMALLY OPEN (Open when de-energized) | 160 | 45 | 160 | 75 | 8317G054 | 4 | 95 | 75 | .15 | 3/32 | 1/4 | .73 |
| 8321G003 | 1/4 | 10 | 3 | 180 | 120 | 6.1/F | 10.6/F | NORMALLY OPEN (Open when de-energized) | 200 | 200 | 200 | 200 | - | - | 200 | 200 | .80 | 9/32 | 11/32 | 1.20 |
| 8321G004 | 3/8 | 10 | 3 | 180 | 120 | 6.1/F | 10.6/F | NORMALLY OPEN (Open when de-energized) | 200 | 200 | 200 | 200 | - | - | 200 | 200 | .80 | 9/32 | 11/32 | 1.20 |
| Valve Parts in Contact with Fluids | ||
| Body: | Brass | 304 Stainless Steel |
| Seals and Disc: | NBR (PA upper disc for 8317 Series) | |
| Diaphragm: | CR (8317 Series only) | |
| Core Tube: | 305 Stainless Steel | |
| Core and Plug nut: | 430F Stainless Steel | |
| Core Springs: | 302 Stainless Steel and 17-7 PH Stainless Steel | |
| Shading Coil: | Copper | Silver |
| Pilot Seat Cartridge and Disc-Holder: | CA (8321 Series only) | |
| Piston: | Brass and 303 Stainless Steel (8321 only) |
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