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 2000K)
Temperature
-220~+5000C(+5500C with steam)
PH range
0~14

FORMS OF SUPPLY:
in coils of 2 to 5 kg, other package on request.

SINSTON ZR-200I Inconel Reinforced Graphite Packing

SINSTON ZR-200P Graphite Packing with PTFE Impregnation

SINSTON ZR-C200 Graphite Packing with Carbon fiber corners

SINSTON ZR-200GC Graphite Packing with (G)PTFE Corners

SINSTON ZR-200A Graphite Packing reinforced with inconel wire & mesh wraped

SINSTON ZR-200IC Inconel reinforced carbon fiber packing with graphite core

SINSTON ZR-790 Die-formed Graphite Ring