Single-lever safety valve is widely used for the power-station boiler and pressure container. The working temperature is 450℃ or less. Single-lever is applied to avoid the pressure inside pipelines beyond the permitted value. Single-lever Single-lever safety valve is applicable for steam or air.
Materials
NO. | Part Name | Materials |
1 | Body | Carbon steel |
2 | Guide sleeve | Stainless steel |
3 | Disc | 2Cr13 |
4 | Stem | 2Cr13 |
5 | Lever | Carbon steel |
6 | Hammer | Iron steel |
Dimensions
Nominal Diameter DN(mm) | Dimensions(mm) | |||||||||||||||||||
do-z | D | D1 | D2 | D6 | f | f1 | b | Z-?d | L | H | Flanged End | Socket Welded | ||||||||
DN’ | D2’ | D1’ | D’ | n-M | d1 | K2 | K3 | D3 | ||||||||||||
50 | 40×1 | 165 | 125 | 100 | / | 3 | / | 16 | 4-18 | 840 | 412 | 125 | 175 | 200 | 235 | 8-M16 | 120 | 145 | 162 | 190 |
60 | 40×1 | 165 | 125 | 100 | / | 3 | / | 20 | 4-18 | 840 | 412 | 125 | 175 | 200 | 235 | 8-M16 | 120 | 145 | 162 | 190 |
70 | 40×1 | 165 | 125 | 100 | 88 | 3 | 4 | 20 | 4-18 | 840 | 412 | 125 | 175 | 200 | 235 | 8-M16 | 120 | 145 | 162 | 190 |
80 | 40×1 | 175 | 135 | 105 | 88 | 3 | 4 | 26 | 4-23 | 840 | 420 | 125 | 175 | 200 | 235 | 8-M16 | 120 | 145 | 162 | 190 |
90 | 40×1 | 195 | 145 | 112 | 88 | 3 | 4 | 28 | 4-25 | 840 | 420 | 125 | 175 | 200 | 235 | 8-M16 | 120 | 145 | 162 | 190 |
Stainless Steel Spring Safety Valve, DN25-150mm
Stainless Steel Spring Low Lift Safety Valve, DN15-25
Spring Low Lift Safety Valve, WCB, PN4.0
