Product Description
With the performance of small flow regulating and high precision control, electric mini ball valve can be controlled by control signal and single phase power to satisfy various regulating requirement for tiny flow in pressure, flow, temperature, and the level of liquid etc.
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Specification
| Valve size | DN15-DN250 |
| Body ratings | PN1.6MPa |
| Body connections | Wafer,Flange |
| Seat type | Stainless steel moveable metal seal,PTFE soft seal |
| Action time | 30 S(0-90°) |
| Power supply |  AC220V |
| Control signal |  4~20mA 0~5V |
| Output signal |  4~20mA 0~5V |
| Operating pressure | PN1.6Mpa PN2.5Mpa |
| Medium Temp | ≤350°C |
| Ambient Temp | ≤50°C |
| Flow coefficient(CV): |  Please download the data on our website for reference (Custom flow coefficient depends on the customer's requirement.)  |
| Applicable medium | Mine pulp, coal pulp, paper pulp, water, oil, gas |
| Dead zone |  0.5% |
| Repetition error | 0.5% |
| Body material | SUS304 SUS316 WCB |
Figure and connection size
Valve  size DN(mm) |
 A |
 φd |
 H1 |
 H2 |
 H |
 F |
15 |
62 |
54 |
74 |
75 |
390 |
210 |
20 |
62 |
54 |
74 |
75 |
390 |
210 |
25 |
62 |
54 |
74 |
75 |
390 |
210 |
32 |
62 |
78 |
80 |
75 |
400 |
210 |
40 |
62 |
82 |
85 |
75 |
405 |
210 |
50 |
75 |
100 |
87 |
95 |
430 |
210 |
65 |
80 |
120 |
105 |
115 |
460 |
210 |
80 |
100 |
131 |
115 |
125 |
520 |
270 |
100 |
115 |
158 |
125 |
125 |
530 |
270 |
125 |
130 |
180 |
140 |
155 |
570 |
270 |
150 |
160 |
216 |
153 |
165 |
600 |
270 |
200 |
200 |
260 |
200 |
195 |
680 |
270 |
250 |
240 |
325 |
225 |
225 |
730 |
270 |
The material of standard structure
Part name |
Material |
Body |
Carbon steel ASTM A216 WCC |
Body lining |
high-chromium steel ASTM A532 Grade III Type A |
"V"Â ball |
high-chromium steel ASTM A532 Grade III Type A |
Seal ring |
high-chromium steel ASTM A532 Grade III Type A |
Fixed seal ring |
Carbon steel ASTM A105 |
Bearing guard |
high-chromium steel ASTM A532 Grade III Type A |
Bearing |
44oC58Rc |
Driving shaft |
17-4PHÂ Cond.H1025 |
Driven shaft |
17-4PHÂ Cond.H1025 |
Pin |
Carbon steel, zincification |
Gasket |
Graphite stainless steel wire |
Packing |
PTFE, filling carbon |
Stuffing box ring and guard |
316Â SST |
Bolt |
SA-193-B7 |
Nut |
SA-194-2H |
Fixed ring bolt and lock |
316Â SST |
(optional)Seal ring lining |
PSZÂ Ceramic |
"V"Â ball(optional) |
PSZÂ Ceramic |
Maximum allowable leakage
Valve size DN(mm) |
Metal seat |
Soft seat |
15 |
1.1ml/min |
0.12ml/min |
20 |
1.5ml/min |
0.16ml/min |
25 |
2.0ml/min |
0.20ml/min |
32 |
2.4ml/min |
0.24ml/min |
40 |
3.0ml/min |
0.30ml/min |
50 |
3.8ml/min |
0.38ml/min |
65 |
5.2ml/min |
0.52ml/min |
80 |
6.2ml/min |
0.62ml/min |
100 |
7.6ml/min |
0.76ml/min |
125 |
9.6ml/min |
0.96ml/min |
150 |
12.0ml/min |
1.20ml/min |
200 |
15.4ml/min |
1.54ml/min |
250 |
19.2ml/min |
1.92ml/min |
Control Diagram
Packing&Shipping
1.Packing: inner with bubble wrap,outer with cardboard box and wooden case
2.Transportation:by sea,by air,by train
Our Services
1.Professional consultation
2.24 hours response after sale
3.One year warranty
4.Safe packing for shipment
5.Welcome sample order
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The outer rubber layer of the LuHang Heavy Lifting and Conveying Airbag protects the cord layers from abrasion and other external forces. This compound has sufficient tensile and tear strength to withstand any weather condition and hard usage. Standard color is black. All of our Heavy Lifting Airbags are manufactured and tested comply with ISO 14409. Certificated by LR, ABS, CCS. We also can provide you the professional technical support, with our professional engineering team and experienced engineers launched more than 2,000 various vessels.
Heavy Lifting and Conveying Airbag
Heavy Lifting Airbag, Conveying Airbag, Ship Airbag For Conveying, Marine Airbag For Heavy Lifting
Qingdao LuHang Marine Airbag and Fender Co., Ltd. , http://www.marinefendersystem.com