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LNG special low temperature valve / Product

Product name: DJ61Y long shaft low temperature and high pressure globe valve

Model: DJ61Y

Caliber: DN10-DN50

Pressure: 16MPa-42MPa

Material: stainless steel, carbon steel

Product introduction

DJ61Y long-axis low-temperature and high-pressure shut-off valve opening and closing parts are plug-shaped discs, the sealing surface is flat or tapered, and the discs move linearly along the center line of the fluid. The valve model is DJ61Y, the nominal diameter is DN10-DN50, and the pressure is 16MPa-42MPa.

Text content

DJ61Y long-axis low-temperature and high-pressure shut-off valve opening and closing parts are plug-shaped discs, the sealing surface is flat or tapered, and the discs move linearly along the center line of the fluid. The valve model is DJ61Y, the nominal diameter is DN10-DN50, the pressure is 16MPa-42MPa. The design of the valve body and valve cover has good strength, stiffness and flow capacity after strict calculation. The upper seal seat is designed on the valve cover, which makes the packing seal more reliable and facilitates the replacement of the packing in the fully opened state. The packing and gasket are also reasonably selected according to the actual working conditions or user requirements, which can be applied to various pressure, temperature and medium working conditions. The seal is reliable and the performance is excellent. Medium and large caliber rolling bearings are provided for easy opening and closing. The movement of the valve stem can be lifted (the stem is raised and lowered, and the hand wheel is not raised and lowered), and there is also lifted and rotated (the hand wheel and the stem are raised and lowered together, and the nut is set on the valve body). The globe valve is only suitable for full open and full close. It is not allowed to adjust and throttle. Since DJ61Y long-axis low temperature and high pressure globe valve works at low temperature, its material should guarantee its low temperature performance, mainly to ensure its cold shock strength. The trim must be properly selected to have sufficient cold impact strength to prevent fracture.

I. Main parameters of DJ61Y long shaft low temperature and high pressure globe valve:

1. Product brand: Jiangsu Zhongli

2. Product model: DJ61Y

3. Nominal caliber: DN10-DN50

4. Pressure: 16MPa-42MPa

5. Main material: stainless steel

Product features of DJ61Y long shaft low temperature and high pressure globe valve:

1. Small working stroke and short opening and closing time.

2. Simple structure, easy to manufacture and maintain.

3. Suitable for cutting or adjusting and throttling the medium.

4. Good sealing performance, small friction between sealing surfaces and long life.

5. The opening or closing stroke of the valve stem is relatively short, and it has a very reliable cutting action.

6. The valve seat and disc are relatively easy to repair or replace the sealing element without removing the entire valve from the pipeline.

Design requirements for DJ61Y long-axis low temperature and high pressure globe valve:

1. The valve should have the ability to work for a long time in low temperature media and ambient temperature.

2. The valve should not be a significant heat source for low temperature systems. This is because in addition to reducing the thermal efficiency, the inflow of heat will make the internal fluid rapid if the inflow is excessive.

Evaporation produces an abnormal pressure rise, causing danger.

3. The low-temperature medium should not have harmful effects on the operation of the hand wheels and the sealing performance of the packing.

4. Valve assemblies that are in direct contact with low-temperature media should have explosion-proof and fire-resistant structures.

5. The valve assembly working at low temperature cannot be lubricated, so structural measures need to be taken to prevent the friction parts from being scratched.

Installation precautions of DJ61Y long shaft low temperature and high pressure globe valve:

1. Stop valves operated by handwheels and handles can be installed at any position in the pipeline.

2. Handwheel, handle and micro-movement mechanism are not allowed for lifting.

3. The flow direction of the medium should be consistent with the direction of the arrow shown on the valve body.

Five, DJ61Y long shaft low temperature high pressure globe valve standard specifications:

1. Design and manufacturing standard: GB / T 12235

2. Structure length standard: GB / T 12221-2005

3. Standard of connection flange: GB / T 9113

4. Pressure and temperature grade: GB / T 12224-2005

5. Test inspection standard: GB / T 13927-2008


Jiangsu Zhongli Valve Co., Ltd. (formerly Funing Zhongli Valve Manufactory) Copyright Tel: 0515-88239100 / 0515-87236800 Fax: 0515-88239300

Address: No. 31-1 Huashan Road, Economic Development Zone, Funing County, Jiangsu Province Email: jszlfm@163.com 苏 ICP 备 15026598 号 -2 SEO Technical Support: Cloud Unlimited

Our main products: high pressure ball valve, high pressure check valve, pneumatic ball valve, spring safety valve, low temperature ball valve, low temperature stop valve, high temperature and high pressure stop valve, electric ball valve, stainless steel valve

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