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Dual Plate Check Valves
Valvemark has an extensive experience in supplying of throughout the hydrocarbon, energy and process industries across the world.
2” - 56“
Up to 2500#
API 6D / 594
Available Types
- Wafer Type
- Solid Lug Type
- Double Flange type
- Hub End type
- Butt weld end type
Cryogenic Service
Almost all Dual Plate Check Valve types can be designed in a special version suitable for cryogenic service. In this case, all the materials and technical features are designed to withstand minimum design temperature required by the Customer, down to Cryogenic -196°C.
Technical Specifications
| Size Range | 2” up to 56“ (DN 50 up to DN 1400) |
|---|---|
| Pressure Rating | ASME 150# to 2500# |
| Design Standard | API 6D, API 594, MESC SPE 77 / 133 |
| Test Standard | API 598, API 6D, ISO 5208 MESCSPE 77/133, ISO 15848-1&2 Bs6364 |
| Construction | Dual Plate, Soft and Metal Seated |
Swing Type Bolted Bonnet
Valvemark has an extensive experience in supplying of Piston, Swing, Tilting Disc and Non-Slam Check Valves for use in the hydrocarbon, energy and process industries.
½” - 56“
Up to 2500#
API 602 / 6D
Available Types
- Swing Type Bolted Bonnet
- Piston type check valves
- Non-Slam Check Valves
- Tilting Disc Pressure Seal
- Nozzle type
Cryogenic Service
Almost all Check Valve can be designed in a special version suitable for cryogenic service. In this case, all the materials and technical features are designed to withstand minimum design temperature required by the Customer, down to Cryogenic -196°C.
Technical Specifications
| Size Range | ½” up to 56“ (DN 15 up to DN 1400) |
|---|---|
| Pressure Rating | ASME 150# to 2500# |
| Design Standard | API 602, API 6D, MESC SPE 77 / 132, BS 1868, DIN 3356, ISO15761 |
| Test Standard | API 598, API 6D, MESC 77/132, ISO 5208, ISO15848-1&2, Bs6364 |
| Construction | Bolted Cover / Pressure Seal Bonnet, Lift Check, Swing Check, Piston Check, Tilting Disc, Non–Slam |
Material Selection
Our valves are available in a wide range of materials to suit various corrosive and non-corrosive environments.
Standard Materials
- Carbon Steels
- Low Temperature Carbon Steel
- Martensitic Steels
- Austenitic Stainless Steel
Exotic Alloys
- Duplex & Super Duplex Stainless
- Nickel Alloys & Inconel
- Titanium Alloy
- Hastelloy & Nickel Aluminum Bronze
- Carbon Steel with CRA Overlay