Fisher gas regulator 627-497 upgrade name 6217-1217-29858
Fisher 627-497 upgraded to 6217-1217-29858, direct-operated gas regulator, max 138 bar inlet, 0.34-34.5 bar outlet, ductile iron body.
Product Details
- Sensitive shutoff characteristics
- Optional built-in safety relief device
- Simple pressure setting
- High accuracy of pressure regulation
- Inlet pressure up to 138 bar
- Flow rates up to 4800 Nm³/h
- Can be installed in any position
- Suitable for large, high‑load regulators
- Compatible with natural gas, manufactured gas, liquefied petroleum gas (LPG), air, and other non‑corrosive gases
| Component Name | Material Name |
|---|---|
| Main Valve Body | Ductile Iron / Steel |
| Spring Valve Body | Aluminum / Ductile Iron / Steel |
| Valve Core | Aluminum / Stainless Steel |
| Valve Seat | Aluminum / Stainless Steel |
| Spring | Steel |
| Diaphragm | Nitrile Rubber (NBR) / Fluorine Rubber (FKM) |
| Diaphragm Pressure Plate | Steel |
| Seals | Nitrile Rubber (NBR) / Fluorine Rubber (FKM) |
Technical Parameters
| Item | Specification |
|---|---|
| Inlet Pressure | Max 138 bar |
| Outlet Pressure | 0.34 – 34.5 bar |
| Operating Temperature | -29 to 82 °C |
| C1 | 28.5 – 39.9 |
| Cg | 6.9 – 200 |
| Connection Size | 3/4″, 1″, 2″ NPT Threaded1″, 2″ ANSI 300RF Flanged1″, 2″ ANSI 600RF Flanged |
| Weight | Cast iron / steel valve body: 4.5 kgAluminum valve body: 2.8 kg |
Pressure Ratings:
- Maximum Inlet Pressure: 138 bar (2000 psi)
- Outlet Pressure Range: 0.34 - 34.5 bar (5 - 500 psi)
Temperature Capabilities:
- Operating Temperature: -29°C to 82°C (-20°F to 180°F)
Flow Capacity:
- Maximum Flow: Up to 4800 Nm³/h
- Flow Coefficient C1: 28.5 - 39.9
- Flow Coefficient Cg: 6.9 - 200
Construction:
- Body Material: Ductile Iron / Steel (main body); Aluminum / Ductile Iron / Steel (spring case)
- Trim Material: Aluminum / Stainless Steel
- Diaphragm Material: Nitrile Rubber (NBR) / Fluorocarbon Rubber (FKM)
- Seal Material: Nitrile Rubber (NBR) / Fluorocarbon Rubber (FKM)
- Spring Material: Steel
