400 Series lower packing needle valves provide positive shutoff for applications having working pressures up to 5000 psig. Lower packing needle valves feature packing below the stem threads to maintain stem lubrication and to protect stem threads from corrosive or erosive media. With orifice sizes up to 0.562 in. and end connections up to 1 in., 400 Series needle valves offer higher flow than other instrumentation needle valves.
Our local stocks allow us to quickly respond to requirements for our products. We hold a vast range of products and spare components in stock so that they're always readily available.
Local Technical Support
Boiswood offer a technical helpline from our HQ as well as having a “man on the ground” for on-site support whenever and wherever this is required. We can help size and specify our products for even the most bespoke applications.
In-House Repair Centre
We can offer manufacturer certified in-house evaluation, repair, testing, servicing and assembly of our products from within our Boiswood HQ.
We offer a range of educational classes and training seminars that can be delivered from Boiswood HQ or on-site. We can deliver a bespoke seminar tailored for your needs.
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