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2 1/2" Fig 500 Safety Valve
2 1/2" Fig 500 Nabic Safety Valve - DN65
2 1/2" BSPP Female Inlet x 3" BSPP Female Outlet
This valve has been designed primarily for use on unvented hot water heating systems, where a high capacity, emergency steam relief capability is required.
High capacity and resilient PTFE seating, also make it ideal for Hot water, steam, compressed air and inert gasses, Co2 (to 20°C), ethylene glycol and potable water
- Features
- Resilient PTFE Seating Design
- High Degree of Seat Tightness
- Suitable for hot water, steam and air
- High discharge capacity
- Diaphragm protected parts
- Safe manual testing
- Easy inspection & cleaning
- Pressure setting locked and sealed
- Body material – Gunmetal
- Screwed inlet and outlet connection
- Approved and Certified in Accordance with
- Pressure Equipment Directive 92/23/EC (PED)
- BS EN ISO 4126-1
- WRAS approved
- ISO 9001:2000
Pressure & Temperature Rating
Set Pressure | Temperature |
---|---|
0.4 - 12.5 bar | -20°C to 195°C |
Dimensions & Weights
SIZE DN |
Rp BSP Inlet |
Rp BSP Outlet |
A (mm) |
B (mm) |
C (mm) |
Weight (Kg) |
---|---|---|---|---|---|---|
65 | 2 1/2" | 3" | 90 | 60 | 330 | 12.50 |
Materials
Ref No | Name of Part | Material |
---|---|---|
1 | Thrust Washer | Brass, BS EN 12164 CW609N |
2 | Grubscrew | Steel |
3 | Test Lever | Brass, BS EN 1982 CC754S |
4 | Spring | Chrome Vandium Alloy Steel, BS 2803 735 A50 HS (Stainless Steel, BS 2056 302S26 Opt) |
5 | Label | Yellow kapton |
6 | Spring Cover | Bronze, BS EN 1982 CC491K |
7 | Piston | Brass, BS EN 12164 CW609N |
8 | Diaphragm | Silicon Rubber |
9 | Seat Seal Holder | Bronze, BS EN 1982 CC491K / Brass BS EN 12164 CW602N (DZR) |
10 | Seat Seal | PTFE (Viton Opt) |
11 | Starlock Washer | Stainless Steel |
12 | Body | Bronze, BS EN 1982 CC491K |
13 | Lever Pin | Steel |
14 | Lead Seal (Not shown) | Lead |
15 | Adjusting Screw | Brass, BS EN 12164 CW609N |
16 | Spring Plate | Brass, BS EN 12164 CW609N |
17 | Spindle | Brass, BS EN 12164 CW721R |
18 | Seat Seal Retaining Plate | Bronze, BS EN 1982 CC491K / Brass BS EN 12164 CW602N (DZR) |
19 | O-Ring | Viton |
Datasheets |
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