Pressure balance lubricated plug valve

Plug valve is conical plunger type rotary valve, the valve is opened or closed by rotating 0°~90° so that the passage on the plug is identical to or separate from the passage on the body.

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Plug valve

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1051797053455032320

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Product details

Introduction video of Plug Valve :

Plug valve is conical plunger type rotary valve, the valve is opened or closed by rotating 0°~90° so that the passage on the plug is identical to or separate from the passage on the body. The plug valve is a fast open or close through valve, It is usually used for cryogenic medium pipes that need fast full open or full close. The secondary plug valve is also suitable for conveying liquids containing suspended solids and particles, straight through plug valve with insulation jacket structure can transport materials containing crystals.

The main construction features of GZP plug valve are following:
1.The plug valve has simple structure, quick switch, small fluid resistance and fast angular stroke operation.
2.Soft sealing and lubricated hard seal are available.
3.Structure form: lifted type, sleeve connection type, inverted type.
4.Unique design can be antistatic, fire safety, safe to use.
5.The medium can flow in two directions, the installation direction is not limited, can be maintained on the pipeline, more convenient to use.

The range of GZP plug valve design is as follows:
1.Size: 2” to 14”, DN50 to DN350
2.Pressure: Class 150lb to 900lb, PN10-PN350
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 350 ℃
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	API 6D, API599
Pressures range	ANSI 150 ~ANSI 900 ,PN10~PN150
Size range	DN50(2") ~DN350 (14")
Body Material	Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc.
Body Material	NACE MR-01-75/NACE MR-01-03 Special Requirements
Face to face	API 6D, ASME B 16.10,EN 558,DIN3202
Fanged RF, FF, RTJ Ends	ASME B16.5
Fanged RF, FF, RTJ Ends	BS 4504,DIN 2543-2545,EN1092
Butt-Weld BW Ends	ASME B16.25 ,DIN 3239,BS 2080, EN 12627
Temperature range	-29°~ 350°C
Design feature
Construction	Lifted type,sleeve type,inverted type,jacketed type
Port	Full bore and Reduced bore
Plug Type	plug type
Stem	Blowout-proof stem
Seat Sealing	metal seat,soft seat,lubricated seal,
Valve Operation	Gear,pneumatic,Hydraulic,Electric actuators.
Valve Operation	By passes,locking devices,extended stem,etc
Fire Safe	API 607, BS 6755,API599
Other design	Anti-static design,automatic pressure relief design, emergency grease injection design, drain valve, anti-corrosion design, anti-sulfur design,etc
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
Dimension inspection	According to drawings
Valve Inspection and Test	API 598,DIN 3230,EN 12266,BS 5146

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