- Stems are usually manufactured in Carbon Steel: ASTM A106 Grade A/B or API 5L Grade A/B
- Yellow Zinc Plated
- Flange Materials: Carbon Steel ASTM A150N
- 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.