Description
DEMCO DM Серия Низкого давления Gate Клапаны – Complete Range
CAMTOP supplies the complete range of DEMCO DM Серия Gate Клапаны rated at 2000, 3000 & 5000 PSI WP for general service conditions. This comprehensive series covers 2-1/2 in. (65 mm) Полнопроходной, 3 in. (80 mm) Полнопроходной, and 4 in. (100 mm) Reduced Port configurations, with multiple end connection options including threaded, grooved, weld, and flanged ends.
Designed for reliable performance in oilfield flowline applications, these gate valves feature a robust construction with cast steel bodies, stainless steel stems, and multiple trim material options to suit various service conditions. The modular design allows easy field maintenance and parts replacement.
Product Specifications & Dimensions
Dimensional Data & Weights
| Dimension | 2-1/2″ (65mm) FP 2000 WP |
3″ (80mm) FP 2000 WP |
2-1/2″ (65mm) RP 3000 WP |
3″ (80mm) FP 3000 WP |
4″ (100mm) RP 3000 WP |
3″ (80mm) FP 5000 WP |
4″ (100mm) RP 5000 WP |
|---|---|---|---|---|---|---|---|
| A – Резьбовой, Weld & Grooved | 9.75″ (248) | 9.75″ (248) | 11.00″ (279) | 11.00″ (279) | – | 11.00″ (279) | – |
| A – Фланцевый RTJ | 16.62″ (422) | 14.12″ (359) | 16.62″ (422) | 14.12″ (359) | – | 15.62″ (397) | – |
| B (Открытый) | 17.00″ (432) | 18.00″ (457) | 17.00″ (432) | 18.00″ (457) | 18.00″ (457) | 18.00″ (457) | 18.00″ (457) |
| C (Седло Bore) | 2.50″ (64) | 3.00″ (76) | 2.50″ (64) | 3.00″ (76) | 3.00″ (76) | 3.00″ (76) | 3.00″ (76) |
| D | 19.00″ (483) | 19.00″ (483) | 19.00″ (483) | 19.00″ (483) | 19.00″ (483) | 19.00″ (483) | 19.00″ (483) |
| E – Резьбовой, Weld & Grooved | 3.12″ (79) | 3.50″ (89) | 3.25″ (83) | 3.69″ (94) | 3.69″ (94) | 3.94″ (100) | 3.94″ (100) |
| E – Фланцевый RTJ | 3.19″ (81) | 3.50″ (89) | 3.19″ (81) | 3.69″ (94) | 3.69″ (94) | 3.94″ (100) | 3.94″ (100) |
| Фланец OD | 7.50″ (191) | 8.25″ (210) | 9.62″ (244) | 9.50″ (241) | – | 10.50″ (267) | – |
| Фланец Bolts (Qty – Размер) | 8 – 3/4″ | 8 – 7/8″ | 8 – 3/4″ | 8 – 7/8″ | – | 8 – 1″ | – |
| Кольцо Number (RTJ) | R-26 | R-31 | R-27 | R-31 | – | R-35 | – |
| Вес – Резьбовой, Weld & Grooved (lb/kg) | 74 (34) | 95 (43) | 87 (39) | 113 (51) | 113 (51) | 140 (64) | 140 (64) |
End Соединение Options
| Соединение Тип | Description | Available Sizes |
|---|---|---|
| Резьбовой | NPT threaded ends for easy installation | 2-1/2″ FP, 3″ FP, 4″ RP (all pressure ratings) |
| Grooved | Grooved ends for quick coupling (2000 PSI only) | 2-1/2″ FP, 3″ FP, 4″ RP |
| Weld End | Под приварку weld ends for permanent installation | 2-1/2″ FP, 3″ FP, 4″ RP (all pressure ratings) |
| Фланцевый RTJ | API Кольцо Тип Соединение flanged ends | 2-1/2″ FP, 3″ FP (all pressure ratings) |
Стандарт Weld End Suffixes
| Pipe Размер | 2000 PSI | 3000 PSI | 5000 PSI |
|---|---|---|---|
| 2-1/2 in. (65 mm) | 0 & 1 | 1 & 5 | – |
| 3 in. (80 mm) | 0 & 1 | 1 & 5 | 1, 2 & 5 |
| 4 in. (100 mm) | 0 & 1 | 1 & 5 | 1, 2 & 5 |
В сборе Part Number Configuration
DEMCO DM Серия valves use a 7-digit part number system (J0XXXXX) to specify exact valve configuration:
| Digit Position | Configuration | Options |
|---|---|---|
| 1st Digit | End Соединение | 0 – Фланцевый / 1 – Резьбовой / 4 – Grooved (2000 only) / 5 – Weld / 7 – Фланцевый |
| 2nd Digit | Номинальное давление | 0 – 2000 PSI / 1 – 3000 PSI / 2 – 5000 PSI |
| 3rd Digit | Pipe Размер | 1 – TBG (3″ FP only) / 2 – UPTBG (2-1/2″ FP only) / 0 – Sch 80 (2000 only) / 1 – Sch 80 / 2 – XXH / 5 – Sch 160 |
| 4th Digit | Корпус Configuration | 4 – Резьбовой / 5 – Weld / 6 – Grooved (2000 only) / 7 – Фланцевый |
| 5th Digit | Шток Материал | 2 – 303 SS / 8 – 316 SS |
| 6th Digit | Gate Материал | 2 – Стальной / 8 – 316 SS |
| 7th Digit | Вставка Материал | 1 – Ductile Iron or Стальной / 8 – 316 SS |
Additional Configuration Options:
- Седло/Уплотнение Elastomer: 1 – Buna-N/Buna-N / 2 – Viton/Viton / 3 – Hypalon/Buna-N
- Coating: 0 – Непокрытый / 1 – DEMCO 10 / 4 – DEMCO 11 / 5 – DEMCO 12 (Weld end bodies are NOT coated)
Шпонка Parts & Materials
| Шпонка No. | Description | Материал |
|---|---|---|
| 1 | Lube Фитинг | Стальной |
| 2 | Hub В сборе | ASTM A536 Ductile Iron |
| 4 | Lock Ручка | AISI C1213 |
| 6 | Шток Screw | AISI C1213 |
| 7 | Шток Screw Уплотнение | Buna-N |
| 8 | Screw Корпус | Carbon Стальной |
| 9 | Шток | 303 SS or 316 SS |
| 10 | Secondary Уплотнение | Buna-N |
| 11 | Retainer | AISI C1213 |
| 12 | Шток Уплотнение В сборе | Buna-N or Viton |
| 16 | Bonnet | Литой Стальной ASTM A487 4A or 2B |
| 18 | Bonnet Уплотнение | Buna-N or Viton |
| 19 | Gate | Стальной or 316 SS |
| 20 | Корпус | ASTM A487 Grade 4 Class A or Grade 2 Class B |
| 21 | Седло В сборе | Ductile Iron or Стальной / 316 SS |
Уплотнение Материал Options
| Уплотнение Тип | Материал | Application |
|---|---|---|
| Bronze Втулка | Bronze | Шток guide bearing |
| Плоский Top Follower | Buna-N
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