Lubricated PLUG Valve

 

Introduction：The lubricated plug valve is widely used in various industrial pipeline systems and is suitable for multiple fields such as petroleum, chemical, pharmaceutical, and food processing. Its compact structure and lightweight design make installation and maintenance more convenient, while its reliable sealing performance ensures stable operation of the system.

 

 

Product Overview:
The lubricated plug valve is an efficient and reliable fluid control valve designed to meet the precise flow control needs in industrial applications. This valve features a unique plug structure combined with lubrication technology, ensuring excellent sealing performance and wear resistance during the opening and closing process.

 

Key Features:

Superior Sealing Performance: The design of the lubricated plug valve allows for a lubricated contact surface between the plug and the valve body, significantly reducing leakage risks and ensuring safe fluid flow within the pipeline.

Easy Operation: The valve's rotary operation method enables quick and convenient opening and closing, making it suitable for applications that require frequent flow adjustments.

Wear Resistance and Longevity: Lubrication technology effectively reduces friction and wear, extending the valve's service life and lowering maintenance costs.

Wide Applications: The lubricated plug valve is suitable for various fluids, including oil, water, and gases, and is widely used in the oil, chemical, water supply, and HVAC industries.

Application Fields:

Oil and Gas Industry

Chemical and Pharmaceutical Industry

Water Treatment and Supply Systems

HVAC (Heating, Ventilation, and Air Conditioning) Systems

 

 

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.

1. Face to face dimensions: conform to ASME B 16.10.

2. Temperature: -29℃ to 350 ℃

 

Abbreviations for Valve Dimensions & Weight Tables

 

Technical data
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.
	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---Radio-graphic Test
	MT---Magnetic Test
	NDT Test Non-destructive
Dimension inspection	According to drawings
Valve Inspection and Test	API 598,DIN 3230,EN 12266,BS 5146

 

Face to Face, End to End Dimension:

Comply with ASME B16.10 "L" dimension in this catalog complies to API standard

Manufactured as regular or venturi pattern with Face to Face dimension being short

 

VALVE	nps	2	3	4	6	8	10	12	14	16	18	20	22	24
Max.Diff. Pressure	bar	110	100	80	80	80	75	75	75	70	70	70	70	70
Flow Coefficient	Kv	140	280	490	860	1600	2150	3000	5000	6800	12000	16000	22000	28000
Torque	Nm	280	550	1000	1800	3200	4400	6600	8000	10000	15000	19000	24000	32000
GEAR BOX DATA	QTY
Manufacturer		CML or Vastaş (IP67 Optional)
Gear Box Type		-	-	-	M12	M14	M15	M1	M20	M30	M30	GS200	GS200	GS250
Max. Output Torque	Nm				1000	1800	3400	4500	6000	10800	10800	22500	22500
Max. Input Torque	Nm				88.5	111	166	170	105	109	109	276	276
Ratio	no.				42:1	60:1	68:1	88	183:1	309:1	309:1	212:1	212:1
Output Flange		F14 F16 F20 F25 F30 F30 F30 F35 F35
Handwheel / Input flange	mm /no				400 / F10			500 / F14			500 / F16
Turn (for open-close)	no.				10,5	15	17	22	45,75	77,3	77,3	53	53

 

Short Patern Plug Valve

 

Rugular Pattern Plug Valve

Venturi Pattern

 

Lubricated Type Plug Valve

All seat faces will be lubricated via groove on surfaces of plug and body cave.

 

 

Regular Bill of Material for Lubricated Type Plug Valve

No.	Description	Standard Material
1	Body	Carbon Steel A216 Gr. WCB
2	Plug (1)	ASTM A 216 Gr. WCB / A395 Gr. 60-40-18
3	Cover	A515 Gr. 70
4	Stem	Stainless Steel A276 Type 410
5	Gland	A515 Gr. 70
6	Diaphragm	Stainless Steel A167 Type 304
7	Adjustment Screw	Alloy Steel A322 Gr. 4140
8	Thrust Ball	Cr. Steel Gr. 200, A295 Type 52100
9	Thrust Ball Seat	Alloy Steel AISI 4140
10	Thrust Button	Carbon Steel
11	Cover Studs	Alloy Steel A193 Gr. B7
12	Cover Stud Nuts	Carbon Steel A194 Gr. 2H
13	Gland and Cap Screw	Carbon Steel A449 Gr. 5
14	Stem Packing	Graphite
15	Balance Spring	Inconel X750
16	Stem to Plug Coupling	Alloy Steel A322 Gr. 4140
17	Plug Check Valve	Commercial Steel
18	Sealant Check Valve	Commercial Steel
19	Sealant Injection Fitting	Commercial Steel
20	Cover Gasket	Soft Steel
21	Stem Environmental Seal	Elastomer
22	Cover Studs Environmental Seals	Buna N
23	Stop Collar	Carbon Steel
24	Stop Pin	Carbon Steel
25	Retainer	Carbon Steel
26	Adjustment Cover	Carbon Steel
27	Adjustment Cover Gasket	Natural Fiber
28	Adjustment Cover Screw	Carbon Steel
29	Identification Plate*	Stainless Steel 304

 

 

Advantages

Plug Valves have inherent advantages over the other conventional types of Valves, especially when used in corrosive or erosive service. Some of these advantages are:

 

The vital surfaces of the plug are self protecting and self cleaning. When fully open, all machined seating surfaces of the plug are protected from erosion or corrosive materials. When closed, only a small area, which is not needed to effect a positive shut off, is exposed to the line fluid.

 

1.Self cleaning seating surfaces

The shearing action of the plug valve scrapes off any abrasive ingredient which may touch the plug in a closed position.

 

2.Smooth Flow

The straightway passage through the plug port affords a smooth unobstructed flow, offering no opportunity for sediment or scale to collect.

 

3.Bubble tight shutoff

The lubricated plug and sealant system assure positive bubble tight shut off when properly maintained.

 

Ease of operation

Positive quarter turn operation is quick and sure.

 

 

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