Cylindrical Plug Valve
The plug body of cylindric plug valve is in cylindrical shape, which makes up of a sealing pair with the tapered hole surface of valve body. Cylindric plug valve is generally sealed in four ways, namely, sealant, valve plug expansion, O-ring, eccentric plug wedges into valve seat.
Cylindrical plug valvewith a Teflon sleeve and plug seal in the valve body, which is pressed into the valve body with a compression nut, and the expansion force of the Teflon sleeve is used to seal.
The use of cylindrical plug valves depends to some extent on the seal between the plug and the valve body. Generally cylindrical plug valves often use four sealing methods, namely, using a sealant, using a plug expansion, using a 0-ring seal, and using an eccentric plug wedge seat seal. The sealing of the cylindrical lubrication plug valve is achieved by the sealant between the valve plug and the valve body. The sealant is injected into the sealing surface through the valve plug rod by bolts or injection guns, so when the valve is in use, it can effectively compensate for the lack of sealing by injecting a supplemental sealant.
Lubricated plug valves are particularly suitable for abrasive media because the sealing faces are protected from contact with the flowing medium in the fully open position. However, lubricated plug valves are not suitable for throttling because the sealant is flushed from the exposed seal surface during throttling so that the seal of the seat is restored each time the valve is closed.
The disadvantage of this valve is that the addition of the sealant often requires manual work. The use of automatic injection can overcome this disadvantage, but the cost of adding equipment needs to be increased. Once the valve is cleaned or repaired due to lack of maintenance or due to improper selection of sealant, or crystallization between the sealing faces and the valve plug not rotating in the valve body.
Cylindrical plug valve with a Teflon sleeve and plug seal in the valve body, which is pressed into the valve body with a compression nut, and the expansion force of the Teflon sleeve is used to seal .
Technical Specification of Cylindrical Plug Valve:
Nominal Bore: 1"~3"
Working Pressure : 2000psi ~ 15000psi
Temperature Level: –75° F ~ +250° F
Body Material: AA、BB、CC、DD、EE、FF、HH
Specification Level: PSL1~PSL3G
Performance Level: PR1~PR2
Saigao Groupspecializing in design, research and development, processing and manufacturing, sales and export of machinery equipment, with leading products comprising various kind of mud pumps, down-hole motors, any kinds of screen pipes, cementing tools as well as any kinds of wellhead equipment.
在线联系供应商
Other supplier products
Cementing Head | cement head oilfieldused in the oilfield is designed to hold a cementing plug before it is pumped down the casing during the cementing operation. I... | |
Oil Field Tubing Pipe | Product Description API-5CT Tubing Pipe Steel grade: J55/K55/N80/L80/P110/C95/13Cr/28Cr Pipe End: EUE/NU/PRMIUM CONNECTION 2-3/8'' Oil Field ... | |
Gate Valve | WKM Gate Valve A slab mud gate valveis a sliding valve in which the closing members are parallel rams. The closing member may be a single shutte... | |
BW1200/7 Horizontal Double Cylinder Reciprocating Double Acting Piston Pump | BW1200/7 slurry pump is horizontal double cylinder reciprocating double action piston pump. The power has electric driving and diesel driving. It ... | |
Drill Pipe Single Plug Cement Head: Product No. ZSC-03 | Plug Dropping Indicator. Plug release Plunger Assembly. Pitching device. Bearing, rotating easy. Plug zsc valves threaded connection.... |
Same products
Brewery Sludge Dewatering Machine System for Sale | 卖方: Apoaqua | Sludge dewatering machine is widely used in breweries. It can improve water quality, reduce energ... | |
Komatsu Charge Pump | 卖方: Elephant Fluid Power | Elephant Fluid Power: Provide Komatsu hydraulic gear pump, original OEM pump parts and auxiliary ... | |
Linde Hydraulic Pump Parts | 卖方: Elephant Fluid Power | We regularly stock parts for the HPR, HPV Series of Linde® pumps. Elephant Fluid Power: guara... | |
Low-Pressure-Variable Vane Pump | 卖方: Elephant Fluid Power | Elephant Fluid Power: Provide low pressure vane pump, We can make varies of hydraulic pumpsparts ... | |
Nachi Charge Pump | 卖方: Elephant Fluid Power | Elephant Fluid Power: We offer NACHI Series Charge pump. Elephant Fluid Power: guarantee quality ... |