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Help CenterWorm Gear Full Bore Oil and Gas Floating Valve
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Worm gear full bore oil and gas floating valve
Standard ball valves ,OEM valve parts as your drawings,all available here in Densen!
Technical Parameter for fully welded ball valve:
Nominal Diameter: DN20~DN1400
Nominal Pressure: 1.6-4.0MPa
Applicable temperature: -40~200℃
Connection Type: Butt welded/Flanged/Threaded/ Threaded flange
Operation: Manual/with gear/electrical/worm gear/pneumatic/hydraulic
Standard: GB/T12237-2007,API6D,ASME B16.34,ISO 9001,KC,TS.
Fully welded ball valve 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. Directly buried without need of a high ground well,saving the engineering cost.
4. Both valve and pipeline are made of the same material, without the condition of uneven stress.
5. Multiple connection combination , fire and electrical prevention design, using in the special working conditions.
6. Maintenance-free for 20 years.
Specification Sheet:
Type of construction |
Normal; Resist SSC; Welded flange ball valve; Heating ball valve; Gas ball valve; Pipeline ball valve; Buried design ball valve |
Fully welded ball valve operated |
N/A for lever operated; Electro-hydraulic operated; Pneumatic operated; Pneumatic operated with manual; Hydraulic operated; Hydraulic operated with manual; Pneumatic-Hydraulic operated; General electric operated; Explosion-proof electric operated |
fully welded ball valve type |
Normal; Resist SSC; Welded flange ball valve; Heating ball valve; Gas ball valve; Pipeline ball valve; Buried design ball |
(1)Shell Hydrostatic Test
ANSI B 16.34 Section7.1 | ||
Valve Size NPS |
Test pressure |
Test Time. Sce |
Below DN 50 |
1:5 times the 100°F |
15 Sce |
DN 65~DN 200 |
Rating of ANSI Class |
60 Sce |
Up DN 250 |
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.
Quality Control |
Professional precision manufacturer for more than 10 years. 1. Quality control: The defective products rate is 0.1%. Imported material 100%. 2. Experienced &Responsible QC that you can reply on. 3. Each part would be given 100% test and tryout before shipment. 4. Adequate supply capacity. Punctual delivery time. 5. Best after sales service is provided. |
What New Densen can do for our worldwide customers:
New densen supply the ball valves, check valves, globe valves, butterfly valves and ANSI,
DIN, JIS, GOST standard gate valves, valve parts and casting ,forging products. If you need Non- standard products , according to your drawing, we can produce the products as your
request.
- OEM AND CUSTOMIZED SERVICE:
-
One-stop service,Meet your unique needs!
Customized Casting,Forging,Stamping,Machining,Welding&Fabrication Service
Export packing: we can also design as clients requirement.
We are specialized in manufacturing standard ball valves, butterfly valves,gate valves, globe valves,
nonstandard valves, valve parts and other casting and forging products as clients drawings. Our
valves are suitable for the market aboard, such as Europe, America, the Middle East and Southeast Asia, etc. and enjoying a high reputation among our customers.
FAQ:
Q1:Are you a manufacturer or a trader?
We are manufacturer ,our own factory is located in Liaoning province,China
Q2:How do you protect customer's right?
Q3:How long shall we get the quotation?
Processing time for Enquiries :1-3 days
Q4:What is your payment term?
Payment term:
1)Pattern and tooling: 50% prepaid as order deposit; balance 50% paid within 10 days after samples approved.
2)Samples: 50% prepaid as order deposit; balance 50% paid within 10 days after samples approved.
3)Products: 30% prepaid as order deposit;70% paid before EX-work.
Q5:How to control the quality of ball valve?
1)Select high quality raw material.
2)Strict required during machining.
3)Seat material comply with food grade.
4)Tested twice to insure zero leakage.
Q6:What shall we do if the quality is not meet our requirement?
If that is the case after we re-test,we can repay the payment or re-produce until it reach the quality
If there is any chance we can help, please just feel free to contact us at any time :
Send Inquiry to This Supplier
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