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 额定排量(R22)Lbs/min Relieving capacity(R22)
整定压力
Noninal Pressure Psig (Mpa)
DN8 DN10 DN15 DN20 DN25    DN32
d0=6.3mm d0=7mm d0=7.8mm d0=11mm d0=18mm d0=26.5mm
200 (1.38) 17.9 22.0 27.4 54.4 145.8 316.0
250 (1.72) 22.0 27.1 33.7 67.0 179.5 389.0
300 (2.07) 26.2 32.4 40.2 80.0 214.2 464.2
350 (2.42) 30.4 37.5 46.5 92.6 247.9 537.3
400 (2.76) 34.6 42.7 53.1 105.5 282.6 612.5
450 (3.10) 38.7 47.8 59.4 118.1 316.3 685.5
550 (3.79) 47.1 58.2 72.2 143.7 384.7 833.7
650 (4.48) 55.5 68.5 85.1 169.2 453.1 982.0
700 (4.83) 59.7 73.8 91.6 182.2 487.7 1057.1

 

  主要零件材料/Main parts material 主要性能参数/Specification
序号No. 零件名称 Part name 材料Materials 型号Type A22F-50T
1 阀体 (Body) HPb59-1 公称压力 Nominal pressure 50bar
2 密封圈 (Seal) PTFE 公称通径Nominal diameter DN6~32(1/4’~1-1/4’)
3 阀瓣(Disc) HPb59-1 强度试验压力 Shell test pressure 9.5MPa
4 弹簧 (Spring)     50CrVA 排放压力Relieving pressure ≤1.1倍整定压力
5 调整螺母(Adj.nut) HPb59-1 密封压力Seal pressure 0.9倍整定压力
6 垫片(Gasket) PTFE 密封性 Seal property 气压试验2分钟无泄漏、氦气检漏试验泄漏率≤2.8克/年
7 螺母(Nut) HPb59-1 适用温度Suitable temperature -29~105℃
  适用介质Suitable medium 制冷剂、油、水等

 

主要尺寸参数/Main dimensions
公称通径(Noninal Diameter) DN6 DN10 DN15 DN20

DN25

(A22F-50T1)

DN25    DN32

连接尺寸

(Connection Dimension)

进口(Inlet) 1/4-18MNPT 3/8-18MNPT 1/2-14MNPT 3/4-14MNPT 1-11.5MNPT 1-11.5MNPT 1-1/4-11.5MNPT
出口(Outlet)

5/8-18UNF

(外螺纹)

5/8-18UNF

(外螺纹)

7/8-14UNF

(外螺纹)

3/4-14NPT 1-1/4-11.5NPT 1-1/4-11.5NPT 1-1/2-11.5NPT
喉径 (mm)Throat Diameter 6.3 7 7.8 11 18 18 26.5
六角 (mm)Hex 22 25 25 34 46 55 65
总高度 (mm)Total Height 82 90 90 105 120 145 179

 

●螺纹类型Thread Type:G.NPT.PT.BSPT.BSP.DIN259/2999
●设计制造按GB12241~12243-2005/Design manufacture According to GB12241~12243-2005.

●连接尺寸和整定压力可按用户要求定制。/Connecting dimension and ste pressure may be according to user's requests user's requests 

  • 产品名称: Refrigerant safety valve
  • 产品编号: RSV-01

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