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Sketch Description
SPETOSPIR® S
spetospir_s

SPETOSPIR® S spiral wound gasket made from alternate layers of metal strip and filler; reinforced only by the metal piles welded together, wound around the soft filler. S style is applied in male and female, tongue and groove flange, also in the joints with so called multi-channel load transmission.

SPETOSPIR® SW
spetospir_sw

SPETOSPIR® SW gasket with inner ring providing additional strength, made from the same metal as the strips; besides giving strength, the ring fills the space between flange bore and the inside diameter, minimizes erosion of flange faces; applied in male and female flanges, even in very high pressures.

SPETOSPIR® SZ
spetospir_sz

SPETOSPIR® SZ gasket with outer centring ring, facilitating proper installation of the gasket; outer ring also protects gasket from blowout and provides the space for coding the gaskets with digits, letters and colour, which inform about the gasket’s style, materials and manufacturer; in some constructions used as a compression stop. Gasket engineered for flat and raised face flanges; for applications in flanges above PN 40 (class 300) and when the filler is PTFE, SWZ style is recommended. As standard, centring ring is made from carbon steel, painted or galvanized.

SPETOSPIR® SWZ
spetospir_swz

SPETOSPIR® SWZ gasket has two metal rings: outer (centring) and inner – reinforcing; due to „enclosing” the proper sealing element between the to rigid metal rings, the gasket has excellent compression resistance; the style recommended for flat face and raised face flanges over PN 40 (class 300), for gaskets with PTFE filler also of lower PN; for gaskets of large dimensions (above 800 mm) suggested as standard. The standard inner ring is made from the same material as gasket’s metal strip in the sealing area.

SPETOSPIR® SWZ LS Low Stress
spetospir_sws_ls

SPETOSPIR® SWZ gasket might be produced as Low Stress (LS) style gasket. Style LS, provides all the superior sealing properties of a spiral wound gasket for the applications where only the low-stress forming pressure is available.

SPETOSPIR® SnWZ
spetospir_snwz

SPETOSPIR® SnWZ gasket with inner ring made from te metal stip thinner than that applied in the sealing ares; it may result from the necessity of providing the gasket with very narrow ring e.g. when the active width of the gasket is optimized, or due to accessibility of non-standard alloys for the rings.

SPETOSPIR® SWZD
spetospir_swzd

SPETOSPIR® SWZD gasket is a two zones gasket applied as antioxidation style for gaskets working in temperatures above 500°C – in the zone exposed to medium graphite, outside – mica, or as firesafe style of the PTFE filled spiral wound gasket, in such a case inner filler – PTFE, outer filler – graphite

SPETOSPIR® SWZT
spetospir_swzt

SPETOSPIR® SWZT special gasket for strongly oxidizing media with graphite at middle zone, mica at inside and outside.

SPETOMET® MWK® 50 / SPETOSPIR® SWZ
spetomet_mwk_50_spetospir_swz

SPETOMET® MWK® 50 / SPETOSPIR® SWZT double gasket provide additional sealability performance, especially under variable conditions; usually for heating or cooling shell pipelines.