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Langfang Dingyang Flange & Pipe Fitting Co.,Ltd

Skype: chinamaker99
Tel: 86-316-5120812
Email: info@fittingflange.com
Whatsapp: +8615801556607
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Application scope of wedge gate valve

Monday, 15 November 2021 by dingyang
Wedge gate valve can bear high pressure because its sealing surface is at an angle to the vertical centerline and has good sealing. Generally, the valve stem of wedge gate valve is subject to quenching and tempering and surface nitriding treatment, which has good corrosion resistance and scratch resistance; The gate and valve seat seal
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Working principle of wedge gate valve

Monday, 08 November 2021 by dingyang
Body: Ductile iron GGG40/GGG50 Disc: Ductile iron+EPDM/NBR Stem: Stainless steel Size: DN40-DN600 The opening and closing part of the wedge gate valve is the gate, and the movement direction of the gate is perpendicular to the fluid direction. The wedge gate valve can only be fully opened and fully closed, and is not suitable for
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Structural features of wedge gate valve

Monday, 08 November 2021 by dingyang
Different from parallel gate valves, wedge gate valves also have wedge single gate valves. The two sealing surfaces of the most commonly used wedge gate valve form a wedge, and the wedge angle varies with the valve parameters, usually 50. The gate of wedge gate valve can be made into a whole, which is called
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What is Filter Y type-Screen

Monday, 01 November 2021 by dingyang
The Filter Y type-Screen is an attractive and economic solution for Landscape application as well as Municipal application. It varies from a small size of ¾” to large size of 2-1/2″. By utilizing the Y shape, will fit most of the installation infield. The Y filter is the perfect solution for fertilizer usage where soluble
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Comparison of several pressing surface types of concave convex flange

Monday, 01 November 2021 by dingyang
1. Raised surface pressing surface: Features: simple structure, easy processing, easy loading and unloading, easy anti-corrosion lining; Use: the pressing surface can be smooth and suitable for occasions with PN less than or equal to 2.5MPa; With grooves (2 ~ 4, width x depth of 0.8mmx0.4mm, cross section of triangular circumferential groove), the gasket is
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Precautions for installing rubber joint 1

Monday, 25 October 2021 by dingyang
1. When the flexible rubber joint is installed in the pipeline, it must be in a natural state, and the product shall not be deformed artificially. When the pipeline medium is acid-base resistant, oil resistant, high temperature resistant and other special materials, the joint one gear higher than the working pressure of the pipeline shall
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Installation instructions for rubber joints

Monday, 25 October 2021 by dingyang
1. It is forbidden to install the rubber flexible joint beyond the displacement limit. 2. When installing rubber joints on flat ground, in the air and vertically, the actual working axial displacement pressure of the rubber joints shall be less than the supporting force of the pipeline, otherwise anti pull off devices shall be installed
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What is RUBBER JOINT

Monday, 18 October 2021 by dingyang
Rubber joints are also called rubber pipe soft joints, flexible rubber joints, rubber soft joints, flexible rubber joints, high-pressure rubber joints, rubber shock absorbers, compensators, etc. According to the connection mode, it is divided into loose flange type, fixed flange type and threaded type; According to the structure, it can be divided into 5 kinds:
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Brief introduction of butt welding flange and flat welding flange

Monday, 18 October 2021 by dingyang
Butt welding flange is that the diameter and wall thickness of the interface end are the same as that of the pipe to be welded, and then welded as two pipes. The flat welding flange is a concave platform with the inner hole slightly larger than the outer diameter of the pipe, and the pipe is
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What do you know about the three elements of solid solution of stainless steel flange

Monday, 11 October 2021 by dingyang
The solid solution process of stainless steel flange has a great influence on the corrosion resistance and appearance brightness of stainless steel, and plays a decisive role in the processing performance of stainless steel. Therefore, the heat treatment process of stainless steel is very important in the production of stainless steel flange.   1、 Solution temperature. According
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Product categories

  • Carbon Steel Flange
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ABOUT US

we have our own pipe fitting factory since 1998 ,which covers 100 acres. In 1998, we invested and set up a new flange factory. Up to now, we have a complete production system, and become a professional and competitive group in this field.

PRODUCTS

  • 150LB Threaded Fitting
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CONTACT US

  • ADDRESS:Room1-3-908 Zijincheng Commercial Building, Guangyang District, Langfang City,Hebei Province,China
  • PHONE: 86-316-5120812
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