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Series 30H/31H High Temperature Butterfly Valve

Product Description

Series 30H/31H is specifically engineered for high temperature service. The metal seat and high temperature packing allow continuous operation on steam and hot process lines. Supplied with pneumatic or electric actuation for automated isolation.

Technical Specifications

Size Range 2" – 48" (DN50 – DN1200)
Pressure Class ASME Class 150 / 300 / 600
Body Type Wafer, Lug, Double Flanged
Body Material WCB, CF8, CF8M
Seat Material Metal (fire-safe)
Temperature Up to 538°C (1000°F)
Actuation Pneumatic double acting / spring return, electric
Standard API 609, ASME B16.34

Applications

Main steam isolationHot process linesPower plantsSteam distribution

Frequently Asked Questions

What is the minimum order quantity for this product?

For standard specifications we accept trial orders starting from a small quantity. For customised production the MOQ depends on the specification — please contact our sales team for details.

How long is the production lead time?

Standard items are typically ready within 15–25 working days after order confirmation. Customised products may require additional time, which we will confirm before you place the order.

Do you provide technical drawings and certificates?

Yes. We can provide dimensional drawings, material certificates and third-party inspection reports on request.

What are your shipping terms?

We normally ship on FOB, CIF or EXW terms. Please tell us your destination port and we will quote the most suitable option.

Industrial Valves · Butterfly Valve

Series 30H/31H High Temperature Butterfly Valve

High temperature metal seated butterfly valve with pneumatic actuation, for steam and hot process media up to 538°C.

Key Specifications

material
Carbon Steel · Stainless Steel 316
pressure
Class 150 · Class 300 · Class 600
medium
Steam · Oil · Gas
connection
Wafer · Lug · Flanged

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