Bellows-Sealed Globe Valve

Bellows-sealed globe valves use a metal bellows welded between the stem and bonnet as the primary seal, replacing traditional packing.  The forced-seal disc moves up and down along the seat axis, providing reliable shut-off.
Specific Applications
Bellows-sealed globe valves serve petrochemical, chemical, power, pharmaceutical, and textile plants. They are particularly suited for steam, thermal oil, flammable or toxic fluids, high-purity media, and vacuum systems where leakage is not tolerated.
Key Features
True Leak-Proof Primary Seal – Multi-layer metal bellows (304, 316L, or HC276) welded between stem and bonnet eliminates traditional packing leaks. Our industrial bellows-sealed globe valves provide zero emissions – ideal for steam, thermal oil, toxic fluids, high-purity media, and vacuum systems. The bellows-sealed globe valve design helps maintain reliable sealing under demanding operating conditions.
Secondary Packing Backup – Even if the bellows fails, a secondary packing maintains sealing. This dual-safety design ensures leak-proof reliability in critical applications.
Industrial Strength & Range – Forged body in carbon steel, stainless steel, or alloy steel. Rated PN16 to PN420, -29°C to 550°C.
Low-In, High-Out Flow Path – Reduces opening effort and keeps packing unpressurized. The U-shaped bellows resists corrosion and fatigue – it lasts tens of thousands of cycles. This bellows-sealed globe valve configuration supports a long service life in frequent-cycling applications.
Tested & Customizable – End connections: flanged, threaded, or welded to DIN, ANSI, JIS, BS, or GB. Hydrostatic, seal integrity, and non-destructive inspection are available per order.
Quality Certification
We hold ISO 9001, ISO 14001, and ISO 45001 certifications, plus a special equipment production license (TS). Our products are made to API, ANSI, JIS, ISO, BS, JB, and GB standards. This covers material checks, non‑destructive testing, precise measurements, and valve strength/sealing performance.
Custom Manufacturing Services
You send us a drawing or sample, and we review the requirements. Then we confirm the drawing and give you a quote — faster if you provide a 3D model. After order confirmation, we schedule batch production.