Grat Brand 90 Degree Stroke Electric Inner Thread Ball Valve
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.
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
| DN |
D |
G |
L |
H1 |
W1 |
W2 |
| 8 |
8 |
14.3 |
65 |
177 |
196 |
145 |
| 10 |
10 |
18 |
65 |
177 |
196 |
145 |
| 15 |
15 |
22 |
72 |
188 |
196 |
145 |
| 20 |
18 |
28 |
85 |
190 |
196 |
145 |
| 25 |
24 |
34.5 |
91 |
200 |
196 |
145 |
| 32 |
30 |
43.5 |
110 |
205 |
196 |
145 |
| 40 |
38 |
49.5 |
122 |
212 |
196 |
145 |
| 50 |
48 |
62 |
145 |
220 |
196 |
145 |
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" 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 |
17-4PH Cond.H1025 |
| Driven shaft |
17-4PH Cond.H1025 |
| Pin |
Carbon steel, zincification |
| Gasket |
Graphite stainless steel wire |
| Packing |
PTFE, filling carbon |
| Stuffing box ring and guard |
316 SST |
| Bolt |
SA-193-B7 |
| Nut |
SA-194-2H |
| Fixed ring bolt and lock |
316 SST |
| (optional)Seal ring lining |
PSZ Ceramic |
| "V" ball(optional) |
PSZ Ceramic |
Maximum allowable leakage
| 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 |
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
Company Introduction
Wuhan Grat Control Valve is a professional valve manufacturer established in 2005.It is specialized in researching and developing various automatic valves for industrial automation and on-site implimentation products.
In 10 year development,Grat has obtained 9 patents like small flow control valve and potentiometer position device,and do business with more than 1000 companies all over the world.Some of them are world famous enterprises.
According to ISO9001:2008 quality management system,Grat strictly controls the product quality and the whole production process.In 2015,Grat got CE certificates and passed successfully EMC tests and CNAS 100000 times lifetime tests.
With the ERP and CRM systems applied in management,they enhance the resource and information level and improve the ability of customer relationship.High quality and good service are our advantages to win the market.
Certificates & Test reports
Application
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