公称压力 Nominal pressure

0.6

1.0

1.6

2.0

2.5

4.0

5.0

6.4

10

壳体试验压力 Shell test pressure

0.9

1.5

2.4

3.0

3.8

6.0

7.5

9.6

15

高压密封试验 High pressure tight test

0.66

1.1

1.8

2.2

2.8

4.4

5.5

7.1

11

适用介质及温度℃
Applicable media & Temperature

DYQ40型

水、蒸汽、纸浆等溶液
Water,vapor,pulp,and other solutions,t≤180℃

DYQ40型

天然气、煤气、液化气、原油、重油 Natural gas,coal gas,liquefied gas,crude oil,and heavy oil,t ≤425℃

DYQ40型

溶液、矿浆、氧化铝粉、煤粉、煤灰、含尘气体、废渣等
Solution,Ore oar,Alumina powder,coal fines,coal ash,dusty gas,
waste residues,etc.t ≤300℃

零件名称
Name of part

DYQ40型

DYQ40型

DYQ40型

阀体
Valve body

碳钢WCB/不锈钢CF8
Carbon steel WCB
stainless steel CF8

碳钢WCB/不锈钢CF8
Carbon steel WCB
stainless steel CF8

碳钢WCB/不锈钢CF8
Carbon steel WCB
stainless steel CF8

阀杆
Valve stem

2Cr13/304

2Cr13/304

2Cr13/304

阀芯密封副
Sealing set for valve body

WCB/CF8+Cr

WCB/CF8+硬化合金钢
WCB/CF8+Hardens alloy steel

特种硬化合金钢质
JK117/17Co合金
Special hardened alloy
steel JK117/17Co alloy steel

阀座密封副
Sealing set for valve seat

PTFE/Molon

WCB/CF8+硬化合金钢
WCB/CF8+Hardens alloy steel

特种硬化合金钢质
JK117/17Co合金
Special hardened alloy
steel JK117/17Co alloy steel