Stationary Seats

S21 - S100 - S120 - S200<br />
Rubber diaphragm, non-pusher, single spring seal<br />

SSN Cup rubber seat

S4DD<br />
DIN rubber diaphram, non-pusher, single spring seal<br />

SS55 Cup rubber seat

S8-1 - S109<br />
Unbalanced O-ring or wedge multiple spring seal<br />

SS60 - SS66 Cup rubber seat

S8B1 – S109B<br />
Balanced O-ring or wedge multiple spring seal.<br />

SSBO – SSDS O-ring driven seat

S57B – S58B – S59B<br />
Balanced metric (DIN) O-ring or wedge multiple spring seal.<br />

SS6 O-ring driven seat

S272 - S272+ - S2725<br />
ANSI Machined Gland Double Seal<br />

SS4 O-ring driven seat

S2<br />
Short rubber bellows, non-pusher, single spring seal<br />

SS13 O-ring driven seat

S57B – S58B – S59B<br />
Balanced metric (DIN) O-ring or wedge multiple spring seal.<br />

SSBP – SSDL Pin driven seat

S272 - S272+ - S2725<br />
ANSI Machined Gland Double Seal<br />

SSBD Pin driven retained seat

S2<br />
Short rubber bellows, non-pusher, single spring seal<br />

SS9 Pin driven O-ring seat

S57B – S58B – S59B<br />
Balanced metric (DIN) O-ring or wedge multiple spring seal.<br />

SS16 - SS46 Pin driven O-ring seat

S272 - S272+ - S2725<br />
ANSI Machined Gland Double Seal<br />

SSWE – SSWU Centre O-ring square seat

S2<br />
Short rubber bellows, non-pusher, single spring seal<br />

SSPG Square seat

S57B – S58B – S59B<br />
Balanced metric (DIN) O-ring or wedge multiple spring seal.<br />

SSA Floating seat, PTFE/graphite seal

S272 - S272+ - S2725<br />
ANSI Machined Gland Double Seal<br />

SSV - SSL Clamped seats