Original Factory Ductile Cast Iron Valve - DS SERIES CHECK VALVES – Hanshang Hydraulic Detail:
DS series check valves allow free flow in one direction and block flow in the counter direction.
Technical data
| Size | 6 | 8 | 10 | 15 | 20 | 25 | 30 |
| Threaded connection Inch | G1/4″ | G3/8″ | G1/2″ | G3/4″ | G1″ | G1 1/4″ | G1 1/2″ |
| Threaded connection Metric | M14X1.5 | M18X1.5 | M22X1.5 | M27X2 | M33X2 | M42X2 | M48X2 |
| Max .flow rate(L/min) | 15 | 30 | 40 | 120 | 200 | 300 | 400 |
| Max .operating pressure(Mpa) | 31.5 | ||||||
| Distance across flats(mm) | 19 | 24 | 30 | 36 | 46 | 60 | 63 |
| Length(mm) | 58 | 58 | 72 | 85 | 98 | 120 | 132 |
| Weight(KGS) | 0.1 | 0.2 | 0.3 | 0.5 | 1 | 2.1 | 2.5 |
| Valve body（Material）Surface treatment | Steel Body Surface Black Oxide | ||||||
| Oil cleanliness | NAS1638 class 9 and ISO4406 class 20/18/15 | ||||||
Threaded connection dimensions
Subplate dimensions
| Size | B | B1 | L | L1 | L2 | L3 | L4 | L5 | D | D1 |
| 10 | 87 | 66.7 | 90 | 23.5 | 7.2 | — | 35.8 | 42.9 | 11 | 4-M10/20 |
| 20 | 110 | 79.4 | 120 | 23.4 | 11.1 | — | 49.2 | 60.3 | 22 | 4-M10/20 |
| 30 | 128 | 96.8 | 148 | 27.8 | 16.7 | 42.1 | 67.5 | 84.2 | 28 | 6-M10/20 |
Product detail pictures:
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Original Factory Ductile Cast Iron Valve - DS SERIES CHECK VALVES – Hanshang Hydraulic, The product will supply to all over the world, such as: , , ,
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