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Product Structure
1. Quick opening closure
2. Barometer connecting pipe
3. Relief valve connecting pipe
4. Fluid outlet pipe
5. Barrel body
6. Relief valve connecting pipe
7. Variable diameter pipe
8. Extension pipe
9. Rear support
10. Contaminant discharge pipe
11. Front support

Technical Parameters
1.Design Pressure: techical up to 35Mpa.
2.Test pressure: Hydrotest pressure is 1.3-1.5 times of the design pressure and air-tight test pressure is
the same as the design pressure.
3.Corrosion allowable: 2mm-3mm or based on customer's requirements
4.Seismic intensity: 8 degree
5.Applicable medium: crude oil, finished petroleum oil (gasoline, diesel), gas, water.
6.Size range from 3” to 56”.
7.Class Rating from 150 – 2500.
8.Materials – Carbon Steel, Stainless Steel, Monel
9.Option of Pig Signallers available.
10.Quick Opening Closures with Safety Interlocks.
11.Third party classification society approved.
12.Design codes include ASME VIII DIV. I & ASME B31.3, B31.4, B31.8.
13.Full material traceability available in accordance with EN 10204 3.1.B or 3.2 Certificate.
14.Applicable medium: crude oil, finished petroleum oil (gasoline, diesel), natural gas, coal gas, water.
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Products Picture:
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Quick Opening Closure (QOC) | ||||
Type | Size Range | Max. Pressure | Time of Opening | Gasket |
Inserted QOC | DN100-300 | 35Mpa | 1 Minutes | O-ring |
Clamp QOC | DN100-1000 | 35Mpa | 1 Minutes | O-ring |
Internal Band Lock QOC | DN200-400 | 35Mpa | 1 Minutes | Lip Seal |
External Band Lock QOC | DN400-1600 | 35Mpa | 50S | Lip Seal |

Pig Launchers & Receivers | |
Design Code | ASME VIII-1, B31.3, B31.8 |
Size Range | DN100-DN1600 |
Pressure Range | Up to 35Mpa |
Material Code | ASME, ASTM, API |
QOC Type | Inserted, Clamp, Band lock |

Shenyang Yongye Industry Co., Ltd , founded in 1993, is a company specialized in research and development
of pipes and tubes cleaning, interior coating, detection and positioning, pipe cleaning work and pipeline rescue
for variety of long-distance conveying pipelines in oil field, petrochemical and natural gas industries.
The company has dedicated to “Quality First, Clicent Superior, Continuously Promotion of Satisfaction Engin-
eering Work and Offering Quality Products and Satisfactory Service to Customer” business principles, and
utilize the company’s self technical advantages and broad-ranging market space for future development of new
products and provides the clients with completely new technologies, good quality products, reliable commitment
and outstanding services.
Certificate: 
Manufacturing Equipment :


Factory:


Cooperation:
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Market:
Market

1. Price term: FOB, Dalian, China.
2. Payment: T/T, D/A, D/P, Western Union.
3. Delivery time: 35-45 working days after payment is received.
4. Standard Steering:Left-hand drive, if you need Right-hand drives, please inform us, will make special order for you.
1. Factory Supply:
a. has its own lab, excellent design team, advanced professional equipment and better production environments;
b. all products designed with ASME code and manufactured strictly carry out ISO 9001 system and HSE management system.
2. OEM Ability:
can produce according to your demand, the material, the size, the color and the logo is optional for you.
3. Good Quality:
a. has solid technology, advanced equipments; reliant quality and flexible modes of operation also have strict quality control system,
b. passed the ISO9001-2008;
c. our brand is china famous brand with good reputation in the market.
4. Good Service: 24-hour hotline and email.
Our Trade Process:

Contect us:

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