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2 1/2" Fig 500L Safety Valve

Excl. VAT: £2,040.27
Incl. VAT: £2,448.32
Brand: Nabic
Product Code: NAB-500L-65
Quantity:

2 1/2" Fig 500L 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, inflammable liquids and inert gasses, Co2 (to 20°C), ethylene glycol, potable water

  • Features
  • Resilient PTFE Seating Design
  • High Degree of Seat Tightness
  • Suitable for hot water, steam and air
  • High discharge capacity
  • Diaphragm protected working parts
  • Safe manual testing
  • Easy inspection & cleaning
  • Pressure setting locked and sealed
  • Padlock available
  • Body material – Gunmetal
  • Available with Viton seat design
  • Approved and Certified in Accordance with
  • Pressure Equipment Directive 92/23/EC (PED)
  • BS EN ISO 4126-1
  • WRAS
  • ISO 9001:2000

Pressure & Temperature Ratings

Max Set Pressure Max 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 Leak Proof Dome Bronze, BS EN 1982 CC491K
2 Locknut Brass, BS EN 12164 CW609N
3 Dome 'O' Ring Viton
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 Cover Seal Viton
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 Adjusting Screw Brass, BS EN 12164 CW609N
14 Spring Plate Brass, BS EN 12164 CW609N
15 Spindle Brass, BS EN 12164 CW721R
16 Seat Seal Retaining Plate Bronze, BS EN 1982 CC491K / Brass BS EN 12164 CW602N (DZR)
17 O-Ring Viton

Datasheets

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