Forged steel A105 straight flangegate valveZ41H

Forged steel flangegate valveBelonging to a type of forged gate valve, the opening and closing component of the gate valve is the gate plate, and the movement direction of the gate plate is perpendicular to the fluid direction. The gate valve can only be fully opened and fully closed

It cannot be adjusted or throttled. According to the sealing surface configuration, gate valves can be divided into wedge gate valves and parallel gate valves. Most gate valves use forced sealing, which means that when the valve is closed, the gate valve needs to be forcibly pressed against the valve seat by external force,

To ensure the sealing performance of the sealing surface.

One Overview:

The opening and closing component of forged steel flange gate valve is the gate, and the movement direction of the gate is perpendicular to the fluid direction. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate valve has two sealing surfaces, and the most commonly used mode gate valve has two sealing surfaces that form a wedge shape. The wedge angle varies with the valve parameters, usually 50 °, and when the medium temperature is not high, it is 52 ° 52 '. The gate of a wedge gate valve can be made as a whole, called a rigid gate; It can also be made into a gate that can produce slight deformation to improve its processability and compensate for the deviation of the sealing surface angle during the processing. This type of gate is called an elastic gate.

II Classification:

The types of gate valves can be divided into wedge gate valves and parallel gate valves according to the sealing surface configuration. Wedge gate valves can also be divided into single pole, double plate, and elastic gate valves; Parallel gate valves can be divided into single gate plate and double gate plate. According to the thread position of the valve stem, it can be divided into two types: rising stem gate valves and hidden stem gate valves.

stem nut

ZCuA110Fe3

The flange standards comply with API 602, MSS-SP-118 (applicable standards), and ANSI B16.34, B35352.

Inspection and testing shall follow API598, and labeling shall follow MSS-Sp-25.
Adopting the following structure
Full diameter or reduced diameter
The structural length shall be in accordance with ANSI B16.10
Flange size according to ANSI B16.5
Pressure self tightening valve cover
Bright pole bracket type (OS&Y)
Self centering pressure plate sleeve type
Overall sealing seat
Integral valve body flange
The welding end complies with ASME B16.25

RTJ valve body and valve cover connection form

Bolt connection, wrapped gasket sealing valve cover, threaded connection, fully welded sealing valve cover, and threaded connection internal pressure self tightening sealing valve cover

-29°C～550°C
-29°C～200°C

Note: Other materials required by the customer can also be used. The matching of sealing surface materials is determined by the internal part code specified by the customer.

RTJ

-29°C～550°C
-29°C～200°C

Note: Other materials required by the customer can also be used. The matching of sealing surface materials is determined by the internal part code specified by the customer.

RTJ
BW
Quanli Ordering Notice: (National Standard)
1、 A: Product name, model, nominal diameter B: Medium and temperature, pressure range C: Are there any accessories, delivery time, special requirements, etc. for us to correctly select for you.