Product Description

SINSTON ZR-200H  Expanded Graphite Packing

Description: Braided from low-sulphur expanded graphite yarns, which are reinforced by cotton fiber. It has a very low friction, does not damage shafts or stems. It shows good thermal and chemical resistance and high elasticity.

SINSTON ZR-200Z--Flexible Packing with Corrosion Inhibitor

Corrosion inhibitor acts as a sacrificial anode to protect the valve stem and the stuffing box.

Other reinforcement materials are also available.
Glass fiber--------High strength, lower cost
Carbon fiber------Less weight loss

APPLICATION :                                

SINSTON ZR-200H & SINSTON ZR-200Z is a multi-service packing capable of a wide variety of uses throughout a plant. It can be used in valves, pumps, expansion joints, mixers and agitators in high-pressure, high-temperature hostile environments of hydrocarbon processing, pulp and paper, power stations, refineries and industries where effective sealing is vital.

Precaution: in oxidizing environment.

Recommendation: Use preferably with SINSTON  ZR-455 high carbon fiber anti-extrusion packing rings.

SERVICE LIMITS:

	Rotating	Reciprocating	Valves
Pressure	20 Bar	100Bar	300Bar-
Shaft speed	20m/s	2m/s	2m/s
Density	1.0~1.3g/cm3 (+5% for ZR-200Z)
Temperature	-220~+5000C(+5500C with steam)
PH range	0~14

FORMS OF SUPPLY:  

in coils of 2 to 5 kg, other package on request.

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