GLOBE VALVES

Types:

• Straight pattern / Y pattern / Angle pattern / 3-Way / Stop check

Construction:

• Bolted bonnet / Pressure seal

Disc type:

• Flat / Parabolic / Needle

Standard features:

• OS&Y / Backseat

Optional features:

• Lantern ring
• Leak-Off & Packing Expulsor
• Locking device
• Stem extension
• Low emission packing
• Bellows seal
• Zero stem leakage

Operation:

• Manual / MOV / AOV / HOV / Electrohydraulic

Materials:

Ringo Válvulas globe valves are supplied with all material types to fulfill all the different combinations of service fluid, design pressure and temperature. Valves can be supplied either forged or casted based on customer specifications. Following materials are under the scope of supply of Ringo:

• Carbon Steel valves
• Low temperature carbon steel
• High temperature alloy steel
• Stainless Steel Valves
• Super Austenitic Stainless Steel
• Duplex Stainless Steel
• Super Duplex Stainless Steel
• Ni Alloy
• Titanium
• Aluminum bronze

Choke Valves

For API 6A applications choke valves, both positive and adjustable are available. Choke valves are specifically design for service conditions providing different types of beans for positive chokes (including ceramic materials, tungstem carbide and hardened mar-tensitic steels) as well as different configurations of seats, cages and discs for adjustable chokes.

Stop Check Valves

This design is a combination between globe valve and check valve. When valve is open, the stem is in open position the valve operates like a piston check valve, disc is moved by the fluid-media. However when valve has to be closed the stem goes down againts the disc ensuring dhut-off of the valve.

Bellows-Sealed Valves (Zero Stem Leakage)

For those applications when emissions to the atmosphere are strictly forbidden, valve is provided with metallic bellows which ensures no leakage through the stem packing to the atmosphere.