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5 Year Warranty
FIG500ST_SafetyValve_DN65_Nabic_RedBG_v1.jpg
FIG500ST_SafetyValve_DN65_Nabic_RedBG_v1.jpg FIG500ST_SafetyValve_DN65_Nabic_RedBG_v2.jpg FIG500ST_SafetyValve_DN65_Nabic_RedBG_v3.jpg FIG500ST_SafetyValve_DN65_Nabic_RedBGx_v4.jpg

Fig 500ST High Lift Safety Valve

5 Year Warranty

The NABIC 500ST is suitable for applications where the properties of stainless steel are required for the service fluid being used but the working environment does not necessitate a full stainless steel valve.

Wetted parts are 316 stainless steel with PTFE to metal seating. Viton seal available on request.

  • High discharge capacity
  • Resilient PTFE seat design
  • Easy inspection and cleaning
Pressure Equipment Directive - PED 2014/68/EU
Product Features +

Medium: Hot water, steam, air. All other fluids to be checked with Technical Department

Size Range: DN15 - DN65

Pressure: 0.4 - 12.5 bar

Material: Gunmetal / Stainless Steel

Temperature: -20 to 195°C

Connection: Flanged inlet & screwed outlet

Pipe Connections

Hygienic clamp fitting inlet connection to BS 4825. Threaded female outlet connections Rp (BSP) to BS EN 10226-1

Testing

All valves are shell and seat tested (to confirm set pressure) before leaving the factory and all valves are supplied pre-set with a tamper proof seal. Pressure Test Certificate and Letters of Conformity available on request.

Product Extras

  • Pressure setting locked and sealed
  • Padlock available. (complies with M&E3)
  • Available with Viton seat design
  • Available with hygienic clamp fitting to BS 4825

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 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
20 Seat Adaptor Stainless Steel, BS 970 316S11

 

Dimensional Drawing

Dimensions & Weights

SIZE
DN
Rp BSP
Outlet
A
(mm)
B
(mm)
C
(mm)
D
(mm)
15 3/4" 34 46 141 50.5
20 1" 39 54 159 50.5
25 1 1/4" 46 63 183 50.5
32 1 1/2" 54 68 228 64
40 2" 64 81 271 64
50 2 1/2" 76 95 315 77.5
65 3" 90 110 380 91

 

Downloads +
Discharge Capabilities +

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