High Speed Inner and Outer Ring Round Spiral Metal Sealing Gasket

Product Description

DESCRIPTION OF PRODUCTS
Metal spiral round gasket is widely used as a sealing gasket at present.
It is the best elastic gasket in semi-metal sealing gasket. It is made of V-shaped or W-shaped thin steel belt and various fillers alternately wound and can withstand The use of high temperature, high pressure and conditions suitable for ultra-low temperature or vacuum conditions can solve the problem of chemical corrosion of various gaskets by changing the material combination of the gasket.
The structural density can be made according to the different locking force requirements to strengthen The main body and accurate positioning, winding gasket with metal inner ring and outer ring, using internal and external steel ring to control the maximum compression, the gasket surface contact surface of the flange sealing surface requirements are not high.
APPLICATION
* Suitable for uneven load, easy relaxation of joint force, periodic change of temperature and pressure, impact or vibration.
* Is the valve, pump, heat exchanger, tower, manhole, hand hole and other flange connections of the static seal original,
* Widely used in petrochemical, machinery, power, metallurgy, shipbuilding, medicine, atomic energy and aerospace and other departments.
FILLED MATERIAL AND MAIN PROPERTIES

Filler	Temperature(ºC )	Max Pressure	Media	Compression(% )	Rebound(% )	Relaxation(%)
F.G.	-220--550	250 BAR	corrosive	18--30	≥17	≤18
ASB	-150--450	100 BAR	vulgaris air tightness	18--30	≥19	≤28
PTFE	-200-- 250	100 BAR	corrosive	18--30	≥15	≤13
NAF	-100--350	100 BAR	vulgaris air tightness	18--30	≥19	≤28
MICA	-150--800	100 BAR	H-TEMP	18--30	≥19	/
CER	-200--1090	100 BAR	Ultra-TEMP	18--40	≥19	/

MATERIALS FOR OD AND ID,MAIN PROPERTIES

Materials	Mark	Hardness(HB)	Temperature(°C)
Carbon steel	CS	120	-40~+540
SUS 304	304	130~180	-195~+550
SUS 316L	316L	130~180	-100~+550
SUS 321	321	130~190	-195~+760
HASTELLOR-B2	HASTB	215	-185~+1090
INCONEL-600	INC600	150	-100~+1090
MONEL-400	MON	150	-130~+820
Ti	T2	215	-195~+1090

STANDARD
·HG20610 /HG20631 / ·ASME B16.20/·DIN / BS 3381-1999
·JIS B2404-1999 JIS TS-1998
·GB/T4622.2 /·JB/T4719 /SH3407 and so on
CHARECTERISTIC
1.The applicable working condition range is wide. Can resist high temperature, high pressure, and adapt to the use condition of ultra-low temperature or vacuum. By changing the material combination of the gasket, the chemical corrosion problem of the various media to the gasket can be solved.
2.The stress compensation ability is strong. The sealing performance is stable and reliable at the station with frequent temperature and pressure fluctuation.
3.The sealing performance is excellent.
4.The surface accuracy requirement for flange sealing contact with the gasket is not high. 5.The installation is convenient, and the pre-tightening pressure of the gasket is low.

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