Purple Valves
PRPLZ183
Dual-Plate Wafer Check Valve 150LB 300LB
A Class 150 to 300 dual-plate wafer check valve that fits between flanges for compact, automatic backflow prevention.
Size2" to 48"PressureANSI Class 150 to 300PortFull portBodyDual-plate wafer
Rated for Class 150 and 300 service, this dual-plate wafer check valve clamps neatly between pipe flanges to save weight and installation space. Two spring-loaded half-plates open with forward flow and close together on a torsion spring as soon as flow reverses, giving fast non-slam shut-off that protects pumps and reduces surge. Its slim wafer body and wide material options make it a versatile, economical non-return valve for water, oil, gas and HVAC systems.
Specifications
Size Range
2" to 48"
Pressure Rating
ANSI Class 150 to 300
Temperature Range
-46°C to 232°C (-50°F to 450°F)
End Connections
Wafer-style between ASME Class 150 / 300 flanges
Body Material
Cast steel / stainless (WCB, CF8M, 2205 and special grades)
Ball / Disc / Wedge Material
Twin spring-loaded plates (dual disc)
Seat Material
Metal or soft seat
Port Type
Full port
Body Style
Dual-plate wafer
Operation
Automatic (non-return)
Applications
Water, oil, gas, HVAC and general process pipelines
Design Standard
API 594, API 6D
Testing Standard
API 598
Face to Face Standard
ASME B16.10
Key Features
- Twin spring-loaded plates for non-slam closure
- Class 150 and 300 ratings
- Compact wafer profile
- Automatic, fast-acting non-return action
- Lightweight, economical design
Options
- NACE compliant trim
- Special materials on request
- Soft or metal seating
Standards & Certifications
- API 598
- NACE compliant (optional)
- API 594
Dimensions
| Material | Carbon Steel | Body | A216 WCB |
| Disc | A351 CF8 | ||
| Spring | SS304 | ||
| Pin | A182 F6 | ||
| Retainer | A182 F6 | ||
| Stainless Steel | Body | A351 CF8 CF8M CF3 CF3M | |
| Disc | A351 CF8 CF8M CF3 CF3M | ||
| Spring | SS304 | ||
| Pin | A182 304 316 F51 | ||
| Retainer | A182 304 316 F51 | ||
| Alloy Steel | Body | A217 WC1 WC6 WC9 C5 C12 | |
| Disc | A351 CF8 | ||
| Spring | A182 F304 | ||
| Pin | A182 F6 | ||
| Retainer | A182 F6 | ||
| Cast Iron | Body | GG25/GGG40 | |
| Disc | GGG40 CF8 CF8M | ||
| Spring | A182 F304 | ||
| Ping | A182 410 416 420 431 304 316 | ||
| Retainer | A182 410 416 420 431 304 316 |
| IN | DN | D | L |
| 2 | 50 | 110 | 60 |
| 2 1/2 | 65 | 128 | 67 |
| 3 | 80 | 147 | 73 |
| 4 | 100 | 179 | 73 |
| 5 | 125 | 214 | 86 |
| 6 | 150 | 249 | 98 |
| 8 | 200 | 277 | 127 |
| 10 | 250 | 337 | 146 |
| 12 | 300 | 407 | 181 |
| 14 | 350 | 448 | 184 |
| 16 | 400 | 512 | 191 |
Contact
Get in Touch
Have a question or ready to order? Reach out and our team will get back to you with pricing and availability.
- Phone1300 62 4020
- International+61-8-9377 0449
- Emailinfo@PRPL.com.au
- AddressPerth Warehouse
6/11 Guthrie Street, Osborne Park, WA 6017
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