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Metal tooth washer / Serrated gaskets

Serrated gaskets are processed a 90 - degree angle of waveform or jag by specific machinine on the ring.. The serrated washer/gaskets are suitable for high pressure, high temperature parts. It's featured by strong corrosion resistance and stable sealing effect. The metal serrated flange gaskets are widely applied in the flange and the connection of the chemical plants, power plants, nuclear power station, etc.

The technical parameter of sealing gasket

Type		Sealing face	PN	Applying temperature	Sealing face
Wound gasket		RF FM TG	1.0-25.0	graphite≤500 graphite≤800 PTFE≤200	JB4705. SYJ14. JB/T4719. JB/T90 ANSIB16.20. JISB2404. JPI-7S
Steel gasket	Elliptical gasket	Ring groove	2.0-42.0	≤650	JB/T89. ANSIB16.20
	Octagonal gasket	Ring groove	2.0-42.0		JB/T89. ANSIB16.20
	Wedge-shaped gasket	APT-RX.BX	2000LB		API-std 6A
	Lens gasket	lens			JB90 DIN2696
	Serrated gasket	RF FM	6.3-16.0		JB/T88. JPI-7S. DIN2697
	Plate gasktiet	RF FM	6.3-16.0		Heat exchanger and boiler is for standby
Graphite loading gasket		RF FM TG	0.25-6.4	C.S≤450 SS≤650	DIN2690 and various standards of rubber asbestos gasket and wound gasket
Corrugated graphite gasket		RF FM TG	0.25-25.0	-200-650	Designed by our company referring to Germany documents and applied to sealing for various pipes, equipments and flanges.
		RF	0.6-5.0	≤200	JIS
Metaled gasket			0.25-5.0	-20-450	JB/T4718. JB4706. ANSIB16.20. JIS
		RF FM TG	0.25-5.0 1.0-5.0 1.6-5.0	≤350	JB/T4720 JB4704. SYT12. ANSIB16.21. JPI-7S. DIN2690. JTSB2202 etc.
Graphite packing		Apply to high temperature and high pressure valve		≤450	Depends
Asbstos packing		Apply to high temperature and high pressure valve		≤100	Depends
PTFE packing		Apply to high temperature and high pressure valve		≤260	Depends