BETTA swing check valve-Resilient Seated to AS4794 with lever&weight for drinking water and neutral liquid applications to max. 40℃
Test/Approvals:
Hydraulic test according to BS5153/AS4794
Seat: 1.1PN, Body: 1.5PN
Standards:
Designed and certified according to AS4794
Face to face according to BS5153/AS4794
Flange drilling to AS/NZS4087 Fig.B5 PN16
AS4020 compliance
Features:
Body and Bonnet of Ductile Iron with epoxy coating to AS/NZS 4158
Disc design with a steel or ductile iron insert fully vulcanized with EPDM rubber
Hinge of stainless steel 316 for sizes less than 200mm, ductile iron coated with drinking water approved epoxy for larger
All rubber parts are multi approved
Shaft of Stainless Steel ASTM A276 SS431
AS4020 drinking water compliance
Optional lever and counterweight
Valve designed for use up to 40℃