GAA27H type are used for the equipment and pipeline of water,air,steam etc.Medium what the working temperature are less than 200°C.A27Y type are used for the equipment and pipelines of the quality with corrode are less than 200°C.Take for extra pressure devices.
GAA27W-10T Spring Loaded Low Lift Safety Valve Main Parts Material.
This type safety valve can be made with WCB material, Brass or Copper Material, Bronze Material, Cast Iron Material or Stainless Steel Material.
| Parts Name | Material | Parts Name | Material |
| Bonnet,Cap | KT30-6 | Spring | 60SiMn |
| Body,Disc,Stem | ZHMn58-2-2 | Lever | A3 or KT30-6 |
| Adjusting Bolt,Locking Nut | Brass |
GAA27W-10T Spring Loaded Low Lift Safety Valve Main Dimension.
| DN | R | do | S | H= | L1 | L | G | Weight Kg. |
| 15 | 1/2" | 16 | 30 | 176 | 54 | 35 | 1/2" | 1 |
| 20 | 3/4" | 20 | 34 | 189 | 59 | 37 | 3/4" | 1.2 |
| 25 | 1" | 25 | 40 | 221 | 70 | 42 | 1" | 1.7 |
| 32 | 1 1/4" | 31 | 48 | 247 | 83 | 45 | 1 1/4" | 2.1 |
| 40 | 1 1/2" | 37 | 56 | 269 | 89 | 55 | 1 1/2" | 3 |
| 50 | 2" | 48 | 66 | 305 | 104 | 67 | 2" | 4.7 |
| 65 | 2 1/2" | 62 | 86 | 362 | 116 | 76 | 2 1/2" | 9 |
| 80 | 3" | 73 | 98 | 383 | 125 | 84 | 3" | 11.5 |