03
Primary Service Rating & Test Pressure
| CLASS | WORKING PRESSURE | TEMP. | HYD. TEST PRESSURE (BODY) | HYD. TEST PRESSURE (SEAT) |
|---|---|---|---|---|
| 150 | 20°F TO 180°F | 21 PSIG | 11 PSIG |
Fig. 04Check valve04 — Check valve
Dual Plate Check Valve
Spring-loaded plates that stop backflow.
"ORBIS" make Dual Plate Check Valves featuring two spring-loaded plates that open under forward flow and snap shut to prevent backflow. Compact, wafer-style design fits between flanges for space-saving installations. (150# / 300#)
Technical Data
- DESIGN & MANUFACTURING STD.
- API 594
- TESTING & INSPECTION STD.
- API 598
- END CONNECTIONS
- WAFER TYPE SUIT TO ANSI B 16.5 (150#)
- FACE TO FACE
- API 594
01
Material Specifications
| NO | PART NAME | MATERIAL | QTY. |
|---|---|---|---|
| 01 | BODY | C.I. - IS:210 GR. FG 200 / | 1 |
| ASTM A 216 GR. WCB | |||
| 02 | DISC | A 351 GR. CF8 | 2 |
| 03 | HINGE PIN | AISI 304 / AISI 316 | 1 |
| 04 | PLUG | AISI 304 / AISI 316 | 2 |
| 05 | STOP PIN | AISI 304 / AISI 316 | 1 |
| 06 | SPRING | AISI 304 / AISI 316 | 2 |
| 07 | BEARING | AISI 304 / AISI 316 | 1 |
| 08 | SEAT | NBR, EPDM, VITION | 1 |
02
Size Dimension
| IN | MM | ØA | ØB | ØD |
|---|---|---|---|---|
| 2" | 50 | 50 | 60 | 105 |
| 2.1/2" | 65 | 65 | 75 | 124 |
| 3" | 80 | 76 | 90 | 134 |
| 4" | 100 | 100 | 115 | 172 |
| 5" | 125 | 125 | 135 | 196 |
| 6" | 150 | 150 | 165 | 220 |
| 8" | 200 | 200 | 220 | 276 |
| 10" | 250 | 250 | 265 | 338 |
| 12" | 300 | 300 | 320 | 407 |
| 14" | 350 | 350 | 350 | 448 |
| 16" | 400 | 400 | 400 | 514 |
| 18" | 450 | 450 | 450 | 549 |
| 20" | 500 | 500 | 500 | 603 |
| 24" | 600 | 600 | 600 | 718 |
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