The 1 inch swing check valve has the construction of bolted bonnet and RF flange end. The forged steel swing check valve is designed with reduced bore as per API 602. Dervos could also do customizing service as per clients’ requests on sizes, design ratings, materials, and standards and so on.
Dervos manufactures a versatile range of Ball Valves in single, two and three piece constructions. The valves are available in full-bore and regular-bore designs, in a variety of end connections and materials to meet your requirements.
Metal stamping parts made of hot-dip galvanized sheet
4" 150LB gate valve is made according to API 603 standard. The valve body is made of ASTM A351 CF8M+STL. It has the structural characteristics of bolt cover, elastic wedge and rising stem. Its test and inspection conform to API 598, and its operation mode is handwheel operation.
This DN50 gate valve is one of the recent batch of our fresh heating jacketed gate valves whose diameter ranges from DN50 to DN150.
The 3000LB ball valve, made of F316 or F316L, has an asymmetric end structure, a end is NPT while another RF. It is capable to work under -29℃~150℃.
Metal stamping parts made of hot-dip galvanized sheet
Motor cover made of hot-dip galvanized sheet by continuous die stamping and drawing
2" 1500LB ball valve is made according to API 6D standard. It also complies with the design standard of NACE MR0175. The valve body is made of ASTM-A105. It has the structural characteristics of full flow and trunnion mounted ball. It has RTJ connection mode and gearbox operation mode.
The gate valve, made according to API 600, is made of CF8, one kind of cast steel. The 4 inch valve is equipped a handwheel, outside yoke, bolted bonnet and extended bonnet. All the accessories are traceable.
DN400 PN16 gate valve is made according to EN1984 standard. The valve body is made of 1.0619 + STL. It has the structural characteristics of rising stem and structural length of 600mm.
The 1 inch forged steel gate valve is constructed of integral flange, bolted bonnet, rising stem and solid wedge and bolted bonnet. The valve has the design standard API 602 and inspection standard API 598. Dervos could offer customizing service by providing clients with valves in different sizes, materials, standards, design pressure, structure, operation type and connection type.
Stainless steel oven lamp cap wiring stamping terminal
Red copper electroplating material is made by continuous die stamping of 35t punch
The structure of the press brake reflection compensation crowning table can promise the bending precision for angle and strightness when you bend the workpiece
The polyester sling is used for general purpose material handling, rigging, overhead hoisting, and crane lifting used in vertical, choker, and basket hitches.