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Help CenterGas Heat & Water Used Fully Welded Ball Valve (DN15~150)
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gas heat & water used fully welded ball valve (DN15~150)
| unit:millimetre(mm) | ||||||||
| Size | NPS | A | b | L | D | D1 | D2 | |
| CN | EU | |||||||
| DN15 | 3/8 | 129 | 64 | 210 | 15 | 18 | 21.3 | 42 |
| DN20 | 3/4 | 129 | 64 | 230 | 15 | 25 | 26.7 | 42 |
| DN25 | 1 | 159 | 76 | 230 | 20 | 32 | 33.4 | 48 |
| DN32 | 1-1/4 | 159 | 85 | 260 | 25 | 42 | 42.2 | 60 |
| DN40 | 1-1/2 | 230 | 95 | 300 | 32 | 48 | 48.3 | 76 |
| DN50 | 2 | 230 | 100 | 300 | 40 | 57 | 60.3 | 89 |
| DN65 | 2-1/2 | 300 | 159 | 300 | 50 | 76 | 76.1 | 114 |
| DN80 | 3 | 300 | 170 | 300 | 65 | 89 | 88.9 | 140 |
| DN100 | 4 | 450 | 192 | 325 | 80 | 108 | 114.3 | 185 |
| DN125 | 5 | 450 | 208 | 325 | 100 | 133 | 141.3 | 216 |
| DN150 | 6 | 450 | 241 | 350 | 125 | 159 | 168.3 | 219 |
| No. | Part name | Material | |||
| 1 | Body | Carbon steel St37.8 | |||
| 2 | Neck | PTFE+SPCB | |||
| 3 | Ball | 304 stainless steel | |||
| 4 | Stem | 2Cr13 | |||
| 5 | Seat | 25%C+PTFE | |||
| 6 | Metal washer | 60Si2Mn | |||
| 7 | Spring | 60Si2Mn | |||
| 8 | "O" Ring | FPM | |||
| 9 | End piece | Carbon steel St37.8 | |||
| 10 | Handle | Carbon steel +HCr | |||
| 11 | "O" Ring | FPM | |||
| 12 | Gland | 304 stainless steel |
Five Advantages:
1. integral seamless steel tube pressed full-auto welded without leaking outward.
2. PTFE+25% carbon fiber and disc spring feely compensating structure zero leakage.
3. can be directly buried without need of a high ground well,saving the engineering cost.
4. both valve and pipeling are made of the same material, without the condition of uneven sterss.
5. in multiple connection combination, for use with special working conditions.
This series of products are reliable sealing performance, maintenance-free for 20 years, switch torque light,can be installed in heat transfer stations, district heating pipe network, branch pipes, heat exchanger unit, heat transfer equipment or ancillary equipment connected to other.use for cut off . The main use of the urban heat, city gas, city water supply and drainage lines.
Full bore lever type: gas heat & water used fully welded ball valve (DN15~150)
CERTIFICATION: ISO, TS, API, GOST, CE....etc
We pay much attention in Test process:
(1) Shell Hydrostatic Test
| ANSI B 16.34 Section 7.1 | |||||||
| Valve Size NPS | Test pressure | Test Time. Sce | |||||
| Below DN50 | 1:5 times the 100°F | 15 Sce | |||||
| DN65~DN200 | Rating of ANSI Class | 60 Sce | |||||
| Up DN250 | Max. Operating Pressure | 180 Sce | |||||
| Test pressure should be above 1.5 times than the valve's Max work pressure (100F) | |||||||
(2) Seal Hydrostatic Test
The pressure should be more 1.1 times than working pressure by seal hydrastatic test
| ANSI B 16.34 Section 7.2 | |||||||
| Valve Size NPS | Test pressure | Test Time. Sce | |||||
| below DN50 | 1:1 times the 100°F | 15 Sce | |||||
| DN65~DN200 | Rating of ANSI Class | 30 Sce | |||||
| above DN250 | Max. Operating Pressure | 60 Sce | |||||
| Test pressure should be more 1.5 times than the valve's Max work pressure (100F) | 180Sce | ||||||
(3) Seal Air Test
Seal air leakage test is based on 80PSIG(6kgf/cm2) inert-gas or the air reach the test pressure, then close the valve. after that check the valve whether it is leakage or not.
1.100% factory price, because we are direct producer of ball valve, butterfly valves, check/non-return valves, gate valves and so on.
2.Market, technical support and after-sale service within 24 hours.
3. You can order your own configuration.
A: Manual B: pneumatic C: electric D: bare shaft E: disc with pin F: disc without pin G: double half shaft H: one piece body I: two pieces body J: logo
Fully welded ball valve - Company advantages:
1. We are factory: We have strict quality control system and amounts of testing equipments for different kind of valve, such as size, pressure, working environment etc. also can provide the competitive price.
2. Certification: API, CE, ISO,GOST, TS ..etc
3. Low MOQ: Our factory owns the casting company by itself. We are always ready for providing the sample and producing some small orders, in order to meet the business well.
4. OEM Accepted: We can make the products with the client's demand standard or the customer requirement.
5. Complete Service: We are always ready to hear from you, reply within 12 hours.
6. Quick Delivery: We always keep the large stock for some hot products.
gas heat & water used fully welded ball valve (DN15~150)
1.What's payment terms? 30% payment in advance, 70% balanced before delivery. (if total value is USD$ 500, we suggest 100% payment in advanve.)
2.What's MOQ? One set. (if small size, we can check if free sample or not, freight need to be paid by customer.)
3.How control the quality of ball valve?
Select high quality raw material; Strict required during machining; Seat material comply with food grade; Tested twice to insure zero leakage; First copper plating disc, then nickle plating disc to increase the adhesiveness
4.Delivery time?
10-30 days after received the advance payment. (if stock, about 10 days)
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