Concentric design / elastomer seat with hard backup
* Dowelled disc/ shaft connection
* DN 50 - 600
* PN 10, 16/ ANSI Class 150
* -20° C (-4° F) to +120° C (+248° F)
* Operating pressure up to p = 16 bar (232 psi)
* Face-to-face dimension in accordance with EN 558-1, S20
* Wafer, lug, Flange Connection
* Operated Type: Manual, Pneumatic, Electric, Hydraulic

Standard materials:
* Body: Grey cast iron, nodular cast iron, Cast Iron, WCB, SS, etc
* Disc: Aluminium bronze, stainless steel
* Lining: EPDM, BUNA, Rubber, NBR, etc

Design Standard
API 609/ISO 5752/BS5155
Flange Standard
ANSI 125#/150#; JIS5K/10K/16K; DIN 2501 PN6/PN10/PN16/; BS4504 PN10/PN16