Single Plate Check Valve is a light and compact valve that is used to check for backflow from pipelines, by allowing flow in just one direction. It has only a single disc that swings closed and open in conjunction with flow, thus enabling reliable and effective operation. Caliper Overseas is a top Single Plate Check Valve Manufacturer and Supplier in India, providing world-class valves with international standards like API 594 and API 6D compliance, which provide durability and performance in multiple applications.
The valves are recognized for their low-pressure drop, quick response time and simple installation. Ideal for industries like water treatment, oil and gas, chemical processing, and HVAC systems, Single Plate Check Valves provide reliable flow control with minimal maintenance. Looking for dependable flow solutions? Connect with us today for top-grade Single Plate Check Valves tailored to your needs.

| Design Standards | API594/ API6D |
|---|---|
| Size Range | NPS 2 to NPS 48 |
| Valve Size | 2″–76″ DN50–DN1900 |
| Pressure Class | 150LB to 2500LB PN10 to PN250 |
| Materials | WCB, CF8, CF3, CF8M, CF3M, B148, A105, LF2, F304, F316 |
| Design and Manufacturing Standards | API6D |
| Face to Face Standards | ASME B16.10 |
| Flange Dimension Standards | ASME B 16.5, ASME B16.47, EN1092-1 |
| Pressure Test Standards | API598, API 6D |
| Fire Safety Test Standards | API607 |
| Process Connection Types | Wafer Type, Flange Type, Lug Type |
| Bore | Full Bore |
| Application & uses | Water distribution Water treatment Wastewater Dams Power plants Industry |
| NPS | CLass | |||||
| 150 | 300 | 600 | 900 | 1500 | 2500 | |
| 2 | 60 | 60 | 60 | 70 | 70 | 70 |
| 2.1/2 | 67 | 67 | 67 | 83 | 83 | 83 |
| 3 | 73 | 73 | 73 | 83 | 83 | 86 |
| 4 | 73 | 73 | 79 | 102 | 102 | 105 |
| 6 | 98 | 98 | 136 | 159 | 159 | 159 |
| 8 | 127 | 127 | 165 | 206 | 206 | 206 |
| 10 | 146 | 146 | 213 | 241 | 248 | 254 |
| 12 | 181 | 181 | 229 | 292 | 305 | 305 |
| 14 | 184 | 222 | 273 | 356 | 356 | |
| 16 | 191 | 232 | 305 | 384 | 384 | |
| 18 | 203 | 264 | 362 | 451 | 468 | |
| 20 | 219 | 292 | 368 | 451 | 533 | |
| 24 | 222 | 318 | 438 | 495 | 559 | |
| 30 | 305 | 368 | 505 | |||
| 36 | 368 | 483 | 635 | |||
| 42 | 432 | 568 | 701 | |||
| 48 | 524 | 629 | ||||
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