Description
DEMCO DM Серия Gate Клапаны 7500 PSI WP – 2 in. (50 mm) Полнопроходной
DEMCO DM Серия Полнопроходной Gate Клапаны are premium API 6A compliant gate valves designed for high-pressure oilfield applications requiring maximum flow capacity. With a 7500 PSI working pressure rating and 2-inch (50 mm) full port bore, these valves provide unrestricted flow paths ideal for production, well testing, and high-volume fluid transfer operations.
Шпонка Features & Benefits
- Полнопроходной Design: 2.00 in. (51 mm) valve seat ID provides maximum flow capacity with minimal pressure drop
- API 6A Compliant: Manufactured in accordance with API 6A, 17th Edition, paragraph 4.3.3 standards
- 7500 PSI Рабочее давление: Высокого давления rating for demanding oilfield environments
- Dual End Соединение Options: Available with Weld End or Фланцевый End (API Кольцо BX-152, 10,000 RTJ)
- Multiple Материал Configurations: 410 SS, 17-4 PH SS stem options; Стальной/Стальной, 410 SS/410 SS, or 17-4 PH SS/410 SS gate/wear ring combinations
- Advanced Уплотнение Technology: Viton or HNBR elastomer options for different service conditions
- Comprehensive Испытание: Three PSL groups available with hydrostatic shell testing up to 11,250 PSI
Technical Specifications
| Specification | Value |
|---|---|
| Клапан Размер | 2 in. (50 mm) FP – Полнопроходной |
| Рабочее давление | 7500 PSI WP |
| Клапан Седло ID | 2.00 in. (51 mm) |
| End Connections | Weld End or Фланцевый End (API Кольцо BX-152) |
| Overall Высота (Открытый) | 13.04 in. (331 mm) |
| Overall Ширина | 14.00 in. (356 mm) DIA |
| Ручка Turns (Открытый to Закрытый) | 8.60 turns |
| Вес – Weld End | 76 lb. (34 kg) |
| Вес – Фланцевый End | 124 lb. (56 kg) |
| Корпус Материал | ASTM A487 Grade 4 Class D |
| Фланец Specification | API Кольцо BX-152, Фланец ID 2.06 in. (52 mm), OD 7.88 in. (200 mm) |
| Фланец Bolts | 8 – 3/4 in. |
Фланцевый End Dimensions
| Dimension | Value |
|---|---|
| Dimension A – Weld End | 9.00 in. (229 mm) |
| Dimension A – Фланцевый End, API Длина | 20.50 in. (521 mm) |
| API Кольцо Number | BX-152 |
| Фланец ID | 2.06 in. (52 mm) |
| Фланец OD | 7.88 in. (200 mm) |
| Фланец Bolts (QTY – Размер) | 8 – 3/4 in. |
Гидростатический Test Requirements by PSL Group
| Test Тип | Group 1 | Group 2 | Group 3 |
|---|---|---|---|
| Shell Test | 11,250 PSI / 3 min | 11,250 PSI / 3 min + extended hold (charted) | Same as Group 2 |
| Седло Test | 7,500 PSI / 3 min each side | 7,500 PSI / 3 min + extended test (charted) | Same as Group 2 |
| Удар Test | N/A | -50°F (-46°C) on body, bonnet, stem, housing | Same as Group 2 |
| NDE Requirements | N/A | Surface NDE on body, bonnet, stem | Surface + Volumetric NDE on body & bonnet |
| Материал Traceability | Корпус & bonnet | Корпус, bonnet, stem, gate & bolting | Same as Group 2 |
В сборе Part Number Configuration
| Configuration | Code | Options |
|---|---|---|
| End Соединение | 3 / 4 | 3 – Фланцевый (10,000 RTJ) / 4 – Weld (3.00 in. OD x 2.00 in. ID) |
| Корпус Configuration | 5 / 7 | 5 – Weld / 7 – Фланцевый |
| Шток Материал | 7 / 8 | 7 – 410 SS / 8 – 17-4 PH SS |
| Gate/Износ Кольцо Материал | 2 / 7 / 8 | 2 – Стальной/Стальной / 7 – 410 SS/410 SS / 8 – 17-4 PH SS/410 SS |
| Седло Кольцо Материал | 1 | 1 – 410 SS |
| Седло/Уплотнение Elastomer | 2 / 4 | 2 – Viton/Viton / 4 – HNBR/HNBR |
Уплотнение Материал Legend
- Bronze Втулка: ASTM B505 Alloy 93200 – Provides low-friction stem guidance
- Плоский Top Follower: Precision machined follower plate for even load distribution
- Fabric Reinforced Уплотнение Кольцо: High-strength composite seal for reliable stem sealing
- Homogeneous Резиновый Уплотнение Кольцо: Uniform elastomer construction for bonnet sealing
- Плоский Bottom Переходник: Precision sealing adapter for seat ring assembly
Applications
- High-volume production flowlines requiring full bore flow
- Well testing and flowback operations
- Fracturing and stimulation manifold systems
- Christmas tree and wellhead installations
- Высокого давления cementing and circulation services
- Газ lift and injection systems
Why Choose Полнопроходной Gate Клапаны?
Full port gate valves provide the maximum possible flow area through the valve body, minimizing pressure drop and turbulence. This makes them ideal for applications where flow efficiency is critical, such as production pipelines, well testing operations, and high-volume transfer systems. The DEMCO DM Серия Полнопроходной design maintains the same rugged construction and API 6A compliance as standard port valves while delivering superior flow performance.
Контакт us today for competitive pricing, technical support, and fast delivery of DEMCO DM Серия 7500 PSI full port gate valves for your oilfield operations.
