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Products: gate valve, stop valve, ball valve, check valve, plug valve, hard seal butterfly valve,

special valve for high temperature and high pressure power station.

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API Hand wheel Gate valve

Gate valves are characterized by a traveling wedge, which is moved with the operation of the stem nut
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Gate valve
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Product description

Introduction video of  Gate Valve :   

Gate valves are characterized by a traveling wedge, which is moved with the operation of the stem nut. The wedge travels perpendicular to the direction of the flow.
Gate valves are double sealing design, it usually have a minimum pressure drop when fully open, provide tight shut-off when fully closed.

The range of GZP gate valve design is as follows:
1.    Size: 2” to 48”   DN50 to DN1200      
2.    Pressure: Class 150lb to 2500lb  PN10-PN420    
3.    Connection ends: ASME B 16.5 in raised face(RF), Flat face(FF) and Ring Type Joint (RTJ)
ASME B 16.25 in butt welding ends.
4.    Face to face dimensions: conform to ASME B 16.10.
5.    Temperature: -29℃ to 425 ℃
GZP valves can be manufactured in all kinds of materials to meet different requirements from clients, especially in NACE standard.
GZP valves can be equipped with gear operator, pneumatic actuators, Hydraulic actuators, Electric actuators,bypasses,locking devices,chainwheels,extended stems and many others are available to meet the customers’ requirements.
 

Technical Data

Design Standard

API600, API6D, DIN3352, EN10434

Body Material

Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc.

NACE MR-01-75/NACE MR-01-03 Special Requirements

Pressures range

ANSI 150 ~ANSI 2500 ,PN10~PN420

Size range

DN50(2") ~DN1200 (48")

Face to Face

ANSI1B 16.10 ,EN 558,DIN3202

Flanged RF, FF, RTJ Ends

ASME B16.5 ≤ DN600 (24") ASME B16.47 A ≥ DN650 (26")

BS 4504,DIN 2543-2545,EN1092

BuButt-Weld BW Ends

ASME B16.25 ,DIN 3239,BS 2080, EN 12627

Temperature range

-29°~ 425°C

Design Feature

Construction

Pressure seal,Bolted Bonnet

Wedge Type

flexible wedge, solid wedge, double wedge etc

Stem Design

Rising stem,Non-rising stem

Seat Sealing

Integral body seat ,seat welded and overlaid

Visual Inspection

Gear,pneumatic,Hydraulic,Electric actuators.

By passes,locking devices,extended stem,etc

Fire Safe Design

API 607,BS 6755

Inspection and Test

Visual Inspection

MSS SP-55

Material Inspection

PMI Test----Chemical Analysis

HB Test---Hardness Test

UT---Ultrasonic Test

RT---RadiographicTest

MT---Magnetic Test

NDT Test Non-destructive

Dimention inspcetion

According to drawings

Valve Inspection and Test

API 598,DIN 3230,EN 12266,BS 5146

 

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keyword:gate valve, globe valve, ball valve, check valve, plug valve, hard seal butterfly valve

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