Product structure: floating ball structure.
Seat type: Standard Shrinkage (S), Full Size (F), specific selection according to flow requirements.
Design standard: GB/T12237, API6D/ANSI B16.34 is optional.
Flange connection length: GB/T12221, API6D/ANSI B16.10 optional.
Welded structure length: GB/T15188.1, API6D/ANSI B16.10 optional.
Connection flange: GB/T9113, JB/T79 HG/T 20592, ANSI B16.5, B16.47 optional.
Butt welding end: GB/T12224, ANSI B16.25 optional.
Tests and tests: JB/T9092, GB/T 26480 GB/T 1397, API6D/API598 are optional.
Nominal pressure: PN16, 25, 40 / pressure level 150 lb, 300 lb optional.
Test pressure: Shell strength test is 1.5PN, water pressure seal test is 1.1PN, and air pressure seal test is 0.6 + 0.1MPa.
Valve caliber: DN10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400.
Circulation capacity (flow coefficient).
阀座直径mm |
10 |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
流量系数kv值 |
8 |
14 |
25 |
43 |
64 |
105 |
160 |
280 |
450 |
690 |
1150 |
1550 |
2770 |
4620 |
7250 |
10540 |
流通面积A(cm2) |
0.79 |
1.77 |
3.14 |
4.9 |
8 |
12.6 |
19.6 |
33.2 |
50.3 |
78.5 |
122.7 |
176.7 |
314.2 |
490..9 |
706.9 |
962.1 |
局部流阻系数Z |
0.32 |
0.44 |
0.41 |
0.37 |
0.33 |
0.4 |
0.4 |
0.4 |
0.36 |
0.32 |
0.33 |
0.32 |
0.35 |
0.33 |
0.29 |
0.24 |
Operation modes: manual (handle type, handwheel type), pneumatic type, electric type, hydraulic type (such as hydraulic type, electro-hydraulic type, pneumatic-hydraulic type, etc.).
Operating Torque Range Reference (Part Specification)
工作压力(按PN) |
PN40 |
PN25 |
||||||||||||
阀座直径mm |
10 |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
操作扭矩 Nm |
10 |
12 |
14 |
17 |
22 |
36 |
51 |
82 |
120 |
235 |
370 |
720 |
1350 |
1750 |
Working medium: water, air, gas, oil and other non-corrosive fluids.
Work temperature: - 30 - 200 C (standard type), - 40 - 250 C (special type) optional, below - 30 C, please contact us.
Temperature-pressure chart: As follows, there is no leakage in operation within the rated range.
Standard Working Temperature-Pressure Diagram
Special Working Temperature-Pressure Diagram
Standard Diameter Welded Structure Standard Diameter Flange Structure
Full-diameter welded structure
Full-diameter flange structure
序号 |
名称 |
材质 |
1 |
球体 |
A105+ENP/304 |
2 |
阀体球室 |
20#/A105/304等 |
3 |
阀座组合件(支承垫+碟簧片+阀座) |
A105 /304+(65Mn+ ENP) +(PTFE,20%C-25%C或玻纤) |
4 |
阀体接管 |
20#/A105/304等 |
5 |
阀杆 |
F304/2Cr13+ENP/17-4PH |
6 |
阀杆轴衬套 |
SF-1等 |
7 |
阀杆轴套 |
20#/A105/304等 |
8 |
挡圈 |
304等 |
9 |
O形圈 |
氟橡胶(FPM)等 |
10 |
支撑环 |
304等 |
11 |
防静电弹簧 |
17-4PH等 Standard Diameter Welded Structure Standard Diameter Flange Structure |