Types of PTFE Wedge Mechanical Seals

Hangzhou Sealcon Fluid Machinery Co., Ltd is a professional wedge gasket suppliersfor PTFE Wedge mechanical seals to suit all the major pump equipment manufacturers. PTFE wedge sealare multi-spring types with a PTFE teflon wedgeto locate the rotating face against the stationary face. They can also be supplied with an o ring to form a secondary seal on the shaft.

Features of PTFE Wedge Seals

Very typical PTFE wedge mechanical seals include John Crane 109, John Crane 109B, and John Crane 58U, 59U. Many times we can refer to these types of models as a reference, to have a further study about the PTFE wedge mechanical seal. We can take type 109 as an example. Type john crane 109is a Shaft-mounted Multi-spring Wedge Seal for use on corrosive applications, typically for chemical or hydrocarbon processing. The features of the John crane 109 mechanical seal is that the Shaft-mounted wedge seal, with PTFE or graphite-based wedges for corrosion resistance or high-temperature application. And the Parameters are as following shows:

TEMPERATURE LIMITS: -148°F to 932°F/-100°C to 500°CPRESSURE LIMITS: 24 bar(g)SPEED LIMITS: 25m/s

Application Field of PTFE Wedge Seals

From the above example, we can see that the PTFE Wedge Mechanical Seals are standards for use where expensive and corrosive liquids are being processed, especially for extremely corrosive fluid applications such as sulphuric, nitric, phosphoric or hydrochloric acids. Like most materials every choice has an up and a down side. Because PTFE will handle most chemical applications, chemical attack is no longer an issue. One the down side PTFE wedges can cause fretting of your sleeve or shaft if you have not hard surfaced your shaft or sleeve (plasma coating).

A PTFE wedge seal for general low- to medium-pressure duties in the chemical, refinery, petrochemical and pharmaceutical industries. Alternative seat designs and material options are available to suit product and operating conditions of applications. Typically applications of a corrosive nature, cryogenic and high temperature.The stationary element of your seal will require a PTFE gasket. But it's not much good to have a PTFE on the rotary and then use an elastomer on the seat. We have seen it done, and because it is a static application some have gotten away with it, but it is not recommended. Most commonly the seat will be a L-shaped or Clamped mount style to allow space for a PTFE gasket to be used as the secondary sealing element

Why Choose Sealcon's PTFE Wedge Seals

Sealcon has been offering PTFE Wedge Seals many years with emphasizing strict quality control, product reliability and product diversity. With the leading design and development capabilities, now Sealcon mechanical seals company widely cooperated with global customers and established close connection with many famous enterprises in fluid industry market.

Hangzhou Sealcon Fluid Machinery Co., Ltdas an professional mechanical spare parts suppliers, hydrocarbon pump mechanical seal,is their mainly product. Want to know mechanical seal parts listor more?Contact with us.RFQ today.

Other supplier products

	Stainless Steel Seal	Stainless Steel is short for stainless acid resistant steel. It is called Stainless Steel with weak corrosive medium or Stainless Steel, such as ai...
	Flygt Mechanical Seals FSU-90	Hangzhou Sealcon Fluid Machinery CO., Ltdwas established in 2011, with Sealcon trademark we specialized in high quality mechanical sealdesign, manu...
	SiC Mechanical Seal	Silicon carbide (SiC) is also known as carborundum, which is made of quartz sand, petroleum coke (or coal coke), wood chips (which need to be added...
	MECHANICAL SEALS FOR PUMP	Mechanical shaft seal for water pump is a kind of dynamic seal assembly, which is widely used on the rotating shaft. It is also known as the end se...
	Carbon Seal	Carbon mechanical seal has a long history. Graphite is an isoform of element carbon. In 1971, the United States studied the successful flexible gra...

供应产品

Same products

	"Yoyik supply MECHANICAL SEAL-N.D.E L270/102 for Electric Company	卖方: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD	"Yoyik supply MECHANICAL SEAL-N.D.E L270/102 for Electric CompanyDongfang Yoyik Engineering Co., ...
	STATIONARY SEATS	卖方: Hangzhou Sealcon Fluid Machinery Co., Ltd	STATIONARY SEATS Rotary and stationary seal ringare the main components of a mechanical seal, ...
	SINGLE CARTRIDGE SEALS	卖方: Hangzhou Sealcon Fluid Machinery Co., Ltd	Our single cartridge type sealis manufactured by balanced seal-face technology, helping to reduce...
	Seal Spare Parts Spring	卖方: Hangzhou Sealcon Fluid Machinery Co., Ltd	Introduction of Seal Spare Parts Spring For a mechanical seal, the initial closing force ensures...
	Seal Spare Parts Sleeve	卖方: Hangzhou Sealcon Fluid Machinery Co., Ltd	Seal Spare Sleeve Mechanical Part In most pumps, the portion of the shaft that is under the seal...