- Stems are usually manufactured in Stainless Steel: BS970:1983 Grade 316 S11
- Flange Materials: ASTM A182 Grade 316L
- Couplings are also available for metric hose bores.
- Flanged stems are available with Flanges in accordance with ASME/ANSI B16.5 class 150/300 lb., BS4504 PN10/16, BS10 Tables D-H. Please specify Flange type and Flange Facing with Order.