Such kind of valves is one of CONNEX main products. We offer customer wide range of size, pressure rating and material selection; also we keep a large number of stock for quick delivery.

Pressure seal bonnet valves (PSB Valves) are designed for high temperature, high pressure, services mainly encountered in nuclear and fossil fuel power plant. Compare with bolted bonnet valves, CONNEX pressure seal valves are less complicated and can provide absolute excellent seal service with minimum maintenance.

Such kind of valves is one of CONNEX main products. We offer customer wide range of size, pressure rating and material selection; we can deliver within a short period.

CONNEX Through conduit gate valves are designed for oil & gas pipeline service. Featured with double block and bleed function, it is suitable for bi-directional flow isolation. We have 2 main series: Slab gate & Expanding gate type with maximum working temperature up to 500℃.

CONNEX API 603 series stainless steel valve contains Gate, Globe & Check valve. This series of valve wall thickness is designed as per ANSI B16.34, cost effective and light weighted compare with conventional API 600 valve. It is widely used in Chemical and food plant. Special design include extended bonnet for cryogenic service.

Forged steel valves contains Gate, Globe & Check valves designed fully comply with API 602 / BS 5352. CONNEX offer standard bolted bonnet joint with optional welded bonnet. CONNEX can also offer forged steel gate, globe valve with bellow seal.

Leakage from the valve gland is often a problem for environmental protection & sometime it is quite dangerous if such leakage is from a hazardous fluid or gas. CONNEX bellow sealed valves are designed with a bellow cartridge which welded to the valve bonnet and stem, so that when the stem up & down movement makes the bellows expands & compress. Therefore there is no sliding or rotating seals through which process fluid can leak.

Leakage from the valve gland is often a problem for environmental protection & sometime it is quite dangerous if such leakage is from a hazardous fluid or gas. CONNEX bellow sealed valves are designed with a bellow cartridge which welded to the valve bonnet and stem, so that when the stem up & down movement makes the bellows expands & compress. Therefore there is no sliding or rotating seals through which process fluid can leak.

Leakage from the valve gland is often a problem for environmental protection & sometime it is quite dangerous if such leakage is from a hazardous fluid or gas. CONNEX bellow sealed valves are designed with a bellow cartridge which welded to the valve bonnet and stem, so that when the stem up & down movement makes the bellows expands & compress. Therefore there is no sliding or rotating seals through which process fluid can leak.