Home / Penstock in SS316 Penstock in SS316 round: DN150 DN200 DN250 DN300 DN400 DN500 DN600 DN700 DN800 DN900 DN1000 Add to your Wish List Request a Quote Request a Quote Close Your Name: Contact Email Address: Telephone: Message:  Please enable JavaScript in your browser to send us a message. We are a specialist supplier of standard and bespoke flow control products Free delivery on orders over £100 Secure payment available Description 4-sides sealing penstock in stainless steel AISI316 suitable for max 5 mwc