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Metal C-ring

Internal Pressure

Our main business are metal o-ring/metal c-ring/PTFE bonded EPDM gasket/rubber gasket/E-PTFE gasket. We can do research on new materials and make new seal types or?adapt our standard types of?seals in order to meet the customers?needs.

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Metal C-Ring for Internal Pressure (MCI): a resilient internally pressurized static face seal open on the inside, enabling it to bear the same pressure as its internal operational conditions. Ideal for assemblies, pressure vessels, jet engines, fuel injectors, lighter flanges, etc.

TYPICAL APPLICATIONS

Vacuum and ultra-high vacuum

Plastic mouldings

Accelerators

Research laboratories

Reactors and nuclear installations

Diesel and other engines

Aerospace

Oil and petrochemical industries

Hydraulics

Valves, pumps, compressors

Turbines

Boilers and heat exchangers

Chemical industries

Iron and steel industries

All applications where the use of elastomer seals are restricted by temperature, corrosion,radiation, pressure, gas permeability and life requirements.

FLEXIBILITY

Very short delivery terms, special rush delivery service within one or two weeks

Seals in any size (starting from 5mm), in any required quantity.

Products according to the customers’ requirements.

Very short response time on customers demands

(standard l day).

Competitive pricing.

Wide range of standard materials.

EXPERTISE

Know-how: Specialists with more than 20 years of experience.

In house testing: Mechanical properties, new materials and production methods.

Customer support :Thinking with customer.

R&D: U-rings, E-rings, Custom designed seals, innovation.

Direct contact with technical staff.

We can do research on new materials and make new seal types or adapt our standard types of seals in order to meet the customers needs.

Material

Material	state	temperature
sus304	standard	T<371℃
X750	standard	T<590℃
718	optional	T<650℃

Coating Materials

Materials	state	Standard thickness	temperature	Surface roughness*
PTFE	optional	0.03/0.08	T<260℃	0.4-0.8μm
Gold	standard	0.03/0.05	T<425℃	0.4-1.6μm
Silver	optional	0.03/0.05	T<650℃	0.4-1.6μm
Nickel	standard	0.03/0.05	T<870℃	0.4-0.8μm
無	-	-	-	<0.4μm
*The water pattern on the surface of the flange groove needs to be aligned with the circumferential direction of the sealing ring (turning surface)

Metal c-ring preload

					(21℃)preload
H mm	Compression e2 mm	Size mm	Thickness mm	thin(T) mediu(M) thick (H)	X-750 Y2 N/mm	718 Y2 N/mm
1.19	0.15	8.26~50.80	0.15	T	17	19
			-	M	-	-
			0.20	H	37	43
1.60	0.30	9.53 到203.20	0.20	T	15	18
			-	M	-	-
			0.25	H	46	53
2.39	0.51	12.70到406.40	0.25	T	25	29
			-	M	-	-
			0.38	H	70	81
3.18	0.66	25.40 到635.0+	0.25	T	23	26
			0.38	M	42	49
			0.51	H	100	116
3.96	0.81	50.80到635.0+	0.38	T	35	40
			-	M	-	-
			0.64	H	105	121
4.78	0.99	76.20到635.0	0.51	T	61	72
			-	M	-	-
			0.64	H	-	-
6.35	1.30	101.60到635.0	0.64	T	55	64
			-	M	-	-
			-	H	-	-