
Wcb/CF8 CF8m/CF3 CF3m/SS316/A105 Flange Plug Valve
To create much more benefit for consumers is our company philosophy; customer growing is our working chase for Stainless Steel Knife Gate Valve, Forged Top Entry Ball Valve, Forged Y Strainer. With its rich manufacturing experience, high-quality products, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series. Welcome new and old customers to visit, guide and cooperate. For a long time, we have been aiming at 'demonstrating corporate integrity and reaping customer satisfaction' with excellent product quality and reasonable prices, and strive to create the greatest value for customers with a pioneering spirit. This commitment permeates everything we do, driving us to continuously develop and improve our products and the processes to fulfill your needs.
Product details
NSV Jacketed plug valve are designed to control special chemical service where media has to be required within a specified temperature range. The steam jacketed design prevents the media in the body from cooling down. If cool media become solid, the trim parts, plug and stem will be very hard to operate. The steam jacket keep maintaining required temperature of the valve.
Applicable Standard
Design Standard: API 599,6D, ASME B16.34
Face to Face: ASME B16.10
End Flange: ASME B16.5
Butt welding Ends: ASME B16.25
Inspection and Test: API 598, API 6D
Products Range
Size: 1/2" ~14" (DN15 ~ DN350)
Rating: 150lb ~300LB
Body Material: Carbon Steel
Plug Material: Carbon Steel
Sleeve Material: PTFE
Operation : Lever, Gear, Electric, Pneumatic, Hydraulic
Design Features
Reduced port or Full port
Rugged,Heavy-Duty Body
Large port opening
Non-Lubricated

STRUCTURAL FEATURES
1.Construction of Jacketed Sleeve Plug Valves

Basic structure is plug, sleeve,body. Sleeve is inserted and encaged inside the body. Tapered plug is inserted onto the sleeve.The sleeve is acting as a soft seat.And completely surrounds plug creating areal sealing surfaces.Also not permitting any dead space in the flow path. Plug is rotating 90 degree. When it is aligned with the body port, flow is open. When the plug is rotated so that plug port is perpendicular to the body port the flow is blocked.The media kept in the plug while at closed position, will be contained in the plug port only,and when the valve is open again,the flow will flush the out. And no remains.
PTFE is an plastic material, even though they are high grade engineering material. All plastics are subject to cold flow.; at higher temperature volume increase,escape to the low pressure area and don’t get back to its original position even after removal of temperature, pressure. But, if they get confined , they would not cold flow. Upper boundary and lower boundary, and 360 port lips.Recessed wall is acting as absorption of inflated volume of PTFE when volume is increased due to temperature.
2.Zero Leakage

The zero leakage stem sealing is achieved by the Threefold Stem Sealing System.
The primary seal is provided by the sleeve. The sealing is so tight that no leakage can be observed even without a valve cover. The secondary and the tertiary seal (top seal package) are provided by a delta ring and a diaphragm made of RTFE ( Rein forced Teflon). The sealing is also so tight that no leakage can be observed even with out a sleeve.
FAQ
1. Q:How can I get your company catalog?
A: For your reference, basic catalogue is same as "Download>E-Catalog” of homepage. If you need printed material or request more specific data like PQ material, please contact sales team.
2. Q:Does your company have any agent/distributor with the exception of China?
A: At present,we have agent in Indonesia,Singapore,Canada,Mexico,Iraq,and welcome contact us if you would like to join us.
3. Q:Does “NSV” valves have supply to any value end user?
A:Yes,it just like PETROKIMIA GRESIK in Indonesia, BP Iraq,ESFAHAN MOBARAKEH STEEL In Iran etc.
4. Q: I want to be registered as your agency.?
A: Defined inspection and manager’s approval shall be required for being registered as the company’s agency. For specific application method, please consult with sales team. If you are registered as the company’s agency, “Agency Certificate” will be issued.
5. Q:Are you manufacturer or trading company?
A: We’re manufacturer,but our factory name is not named NSV due to we’re professional in promotion NSV brand with best service,and also have sold to many end user success.
We are advancing courageously along the road of 'groupization, industrialization, specialization, and internationalization' and continue to contribute to the Wcb/CF8 CF8m/CF3 CF3m/SS316/A105 Flange Plug Valve industry all over the world. We take the maximization of corporate efficiency as the core, fully implementing the commanding heights and internationalization strategy, and continuously improving our management. To win customers' confidence, Best Source has set up a strong sales and after-sales team to deliver the best product and service.
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