DIN Cast Iron Lift Check Valve
Engineered with a rugged nodular cast iron body and a durable bronze metal-seated disc, this DIN standard lift check valve ensures reliable, silent operation and leak-proof protection against backflow in air, steam, and water systems. Its spring-loaded design provides rapid response to flow changes, effectively preventing water hammer and safeguarding pipe integrity, while the raised face flanged connection complies with EN1092 standards for secure and long-lasting industrial installation.
Overview
Application: This DIN Cast Iron Lift Check Valve is designed for applications involving cold and hot water, gases, steam, and other neutral liquids. It effectively prevents backflow in air, steam, water, and oil systems, making it especially suitable for situations where rapid flow reversal can occur to prevent damaging water hammering in pipelines.
Material Specification:
| NO | Part | Material |
|---|---|---|
| 1 | Body | Nodular Cast Iron |
| 2 | Disc | ≤65: Bronze ≥80: Nodular Cast Iron + Brass |
| 3 | Bonnet | Nodular Cast Iron |
| 4 | Spring | SS |
| 5 | Seat | Bronze |
Technical Specifications:
Face to Face: DIN 558
Design Standard: DIN 86251
Flange Standard: EN1092 (DIN2501)
Test Standard: EN 12266
Applicable temperature: ≤200℃
Pressure rating: PN16 (DN15~150)
Drawing:
Dimensions (Unit: mm):
| DN | L | ≈H | D | D1 | D2 | b | n | d0 |
|---|---|---|---|---|---|---|---|---|
| 15 | 130 | 84 | 95 | 65 | 45 | 12 | 4 | 14 |
| 20 | 150 | 84 | 105 | 75 | 58 | 12 | 4 | 14 |
| 25 | 160 | 84 | 115 | 85 | 68 | 14 | 4 | 14 |
| 32 | 180 | 90 | 140 | 100 | 78 | 15 | 4 | 18 |
| 40 | 200 | 101 | 150 | 110 | 88 | 16 | 4 | 18 |
| 50 | 230 | 110 | 165 | 125 | 102 | 17 | 4 | 18 |
| 65 | 290 | 136 | 185 | 145 | 122 | 17 | 4 | 18 |
| 80 | 310 | 158 | 200 | 160 | 138 | 19 | 8 | 18 |
| 100 | 350 | 170 | 220 | 180 | 158 | 20 | 8 | 18 |
| 125 | 400 | 180 | 250 | 210 | 188 | 24 | 8 | 18 |
| 150 | 480 | 200 | 285 | 240 | 212 | 25 | 8 | 22 |
